Home Civilian Spacecrafts Military Satellites
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Click on a particular year (below) to acces directly the list of military satellites launched in that year:
1957 1958 1959 1960 1961 1962 1963 1964 1965 1966
1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
1987 1988 1989 1990 1991 1992 1993 1994 1995 1996
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
2007 2008 2009 2010 2011 2012 2013 2014
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# Spacecraft Country ranks Launch date .. Sponsor Remarks
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1 9 5 7 (0 Military spacecraft in 3 missions = 0 %)

None.
 
1 9 5 8 (7 Military spacecrafts in 28 missions = 25 %)
1) NOTS 1 / Pilot 1 1st American 25 Jul 58 U.S. Navy Technology
2) NOTS 2 / Pilot 2 2nd American 12 Aug 58 U.S. Navy Technology
3) NOTS 3 / Pilot 3 3rd American 22 Aug 58 U.S. Navy Technology
4) NOTS 4 / Pilot 4 4th American 25 Aug 58 U.S. Navy Technology
5) NOTS 5 / Pilot 5 5th American 26 Aug 58 U.S. Navy Technology
6) NOTS 6 : Pilot 6 6th American 28 Aug 58 U.S. Navy Technology
7) Score 7th American 18 Dec 58 U.S. DARPA Technology 
(Data Relay R&D)
1 9 5 9 (10 Military spacecrafts in 24 missions = 42 %)
8) Discoverer 0 / KH-1 8th American 21 Jan 59 U.S. Air Force Technology
(Launcher Test)
9) Discoverer 1 / KH-1 9th American 28 Feb 59 U.S. DARPA Technology
(Recon Sat Prototype)
10) Discoverer 2 / KH-1 10th American 13 Apr 59 U.S. DARPA Technology
(Recon Sat Prototype)
11) Discoverer 3 / KH-1 11th American 3 Jun 59 U.S. DARPA Technology
(Recon Sat Prototype)
12) Discoverer 4 / KH-1 12th American 25 Jun 59 U.S. National Re-
connaissance Office
Reconnaissance
(Film Capsule Recovery)
13) Discoverer 5 / KH-1 13th American 13 Aug 59 U.S. National Re-
connaissance Office
Reconnaissance
14) Discoverer 6 / KH-1 14th American 19 Aug 59 U.S. National Re-
connaissance Office
Reconnaissance
15) Transit 1A 15th American 17 Sep 59 U.S. Navy Navigation
16) Discoverer 7 / KH-1 16th American 7 Nov 59 U.S. National Re-
connaissance Office
Reconnaissance
17) Discoverer 8 / KH-1 17th American 20 Nov 59 U.S. National Re-
connaissance Office
Reconnaissance
1 9 6 0 (22 Military spacecrafts in 44 missions = 50 %)
18) Discoverer 9 / KH-1 18th American 4 Feb 60 U.S. National Re-
connaissance Office
Reconnaissance
19) Discoverer 10 / KH-1 19th American 19 Feb 60 U.S. National Re-
connaissance Office
Reconnaissance
20) Midas 1 20th American 26 Feb 60 U.S. Department 
of Defense
Missile Early Warning (1st)
21) Transit 1B 21st American 13 Apr 60 U.S. Navy Navigation (R&D)
22) GRAB 22nd American 13 Apr 60 U.S. Navy Science & Technology
(Dummy of a GRAB Elint)
23) Discoverer 11 / KH-1 23rd American 15 Apr 60 U.S. National Re-
connaissance Office
Reconnaissance
24) Midas 2 24th American 24 May 60 U.S. Department
of Defense
Missile Early Warning
25) Transit 2A 25th American 22 Jun 60 U.S. Navy Navigation
26) Solrad 1 / GRAB 1 26th American 22 Jun 60 U.S. Navy Electronic Intelligence (1st)
27) Discoverer 12 / KH-1 27th American 29 Jun 60 U.S. National Re-
connaissance Office
Reconnaissance
28) Discoverer 13 / KH-1 28th American 10 Aug 60 U.S. National Re-
connaissance Office
Reconnaissance
29) Discoverer 14 / KH-1 29th American 18 Aug 60 U.S. National Re-
connaissance Office
Reconnaissance
30) Courier 1A 30th American 18 Aug 60 U.S. DARPA Communications
(R&D)
31) Discoverer 15 / KH-1 31st American 13 Sep 60 U.S. National Re-
connaissance Office
Reconnaissance
32) Courier 1B 32nd American 4 Oct 60 U.S. DARPA Communications
33) Samos 1 33rd American 11 Oct 60 U.S. National Re-
connaissance Office
Reconnaissance
34) Discoverer 16 / KH-1 34th American 26 Oct 60 U.S. National Re-
connaissance Office
Reconnaissance
35) Discoverer 17 / KH-1 35th American 12 Nov 60 U.S. National Re-
connaissance Office
Reconnaissance
36) Transit 3A 36th American 30 Nov 60 U.S. Navy Navigation
37) Solrad 2 / GRAB 2 37th American 30 Nov 60 U.S. Navy Electronic Intelligence
38) Discoverer 18 / KH-2 38th American 7 Dec 60 U.S. National Re-
connaissance Office
Reconnaissance
39) Discoverer 19 / RM 1 39th American 20 Dec 60 U.S. National Re-
connaissance Office
Reconnaissance
1 9 6 1 (34 Military satellites in 60 missions = 57 %)
40) Samos 2 40th American 31 Jan 61 U.S. National Re-
connaissance Office
Reconnaissance
41) Discoverer 20 / KH-5 41st American 17 Feb 61 U.S. National Re-
connaissance Office
Reconnaissance
42) Discoverer 21 / RM 2 42nd American 18 Feb 6 U.S. National Re-
connaissance Office
Science & Technology
(MIDAS Early Warning R&D)
43) Transit 3B 43rd American 22 Feb 61 U.S. Navy Navigation
(1st Dual Launch)
44) Lofti 1 44th American 22 Feb 61 U.S. Navy Science & Technology
(Low-Frequency Radio 
Wave Propagation)
45) Discoverer 22 / KH-2 45th American 30 Mar 61 U.S. National Re-
connaissance Office
Reconnaissance
46) Discoverer 23 / KH 5 46th American 8 Apr 61 U.S. National Re-
connaissance Office
Reconnaissance
47) Discoverer 24 / KH-5 47th American 8 Jun 61 U.S. National Re-
connaissance Office
Reconnaissance
48) Discoverer 25 / KH-2 48th American 16 Jun 61 U.S. National Re-
connaissance Office
Reconnaissance
49) Transit 4A 49th American 29 Jun 61 U.S. Navy Navigation
(1st Triple Launch)
50) Injun 1 50th American 29 Jun 61 U.S. Navy Science & Technology
(Radiation Studies)
51) Solrad 3 / GRAB 3 51st American 29 Jun 61 U.S. Navy Electronic Intelligence
52) Discoverer 26 / KH-2 52nd American 7 Jul 61 U.S. National Re-
connaissance Office
Reconnaissance
53) Midas 3 53th American 12 Jul 61 U.S. Department 
of Defense
Missile Early Warning
54) Discoverer 27 / KH-5 54th American 21 Jul 61 U.S. National Re-
connaissance Office
Reconnaissance
55) Discoverer 28 / KH-2 55th American 4 Aug 61 U.S. National Re-
connaissance Office
Reconnaissance
56) Discoverer 29 / KH-3 56th American 30 Aug 61 U.S. National Re-
connaissance Office
Reconnaissance
57) Samos 3 57th American 9 Sep 61 U.S. National Re-
connaissance Office
Reconnaissance
58) Discoverer 30 / KH-3 58th American 12 Sep 61 U.S. National Re-
connaissance Office
Reconnaissance
59) Discoverer 31 / KH-3 59th American 17 Sep 61 U.S. National Re-
connaissance Office
Reconnaissance
60) Discoverer 32 / KH-3 60th American 13 Oct 61 U.S. National Re-
connaissance Office
Reconnaissance
61) Midas 4 61st American 21 Oct 61 U.S. Department 
of Defense
Missile Early Warning
62) Westford 62nd American 21 Oct 61 U.S. Department
of Defense
Science & Technology
(Communications R&D)
63) Discoverer 33 / KH-3 63rd American 23 Oct 61 U.S. National Re-
connaissance Office
Reconnaissance
64) Kosmos (DS-1 1) 1st Soviet 27 Oct 61 Soviet Union 
Defense Ministry
Science & Technology
(Launch vehicle test)
65) Discoverer 34 / KH-3 64th American 5 Nov 61 U.S. National Re-
connaissance Office
Reconnaissance
66) Discoverer 35 / KH-3 65th American 15 Nov 61 U.S. National Re-
connaissance Office
Reconnaissance
67) Transit 4B 66th American 15 Nov 61 U.S. Navy Navigation
68) Traac 67th American 15 Nov 61 U.S. Navy Science & Technology
(Navigation R&D)
69) Samos 4 68th American 22 Nov 61 U.S. National Re-
connaissance Office
Reconnaissance
70) Kosmos (Zenit-2 1) 2nd Soviet 11 Dec 61 Soviet Union 
Defense Ministry
Reconnaissance
71) Discoverer 36 / KH-3 69th American 12 Dec 61 U.S. National Re-
connaissance Office
Reconnaissance
72) Kosmos (DS-1 2) 3rd Soviet 21 Dec 61 Soviet Union 
Defense Ministry
Science & Technology
73) Samos 5 70th American 22 Dec 61 U.S. National Re-
connaissance Office
Reconnaissance
1 9 6 2 (64 Military satellites in 96 missions = 67 %)
74) Discoverer 37 / KH-3 71st American 13 Jan 62 U.S. National Re-
Connaissance Office
Reconnaissance
75) Solrad 4A / GRAB 4 72nd American 24 Jan 62 U.S. Navy Electronic Intelligence
(1st 5-satellite launch)
76) Lofti-2 73rd American 24 Jan 62 U.S. Navy Science & Technology
77) Injun 2 74th American 24 Jan 62 U.S. Air Force Science & Technology
(Radiation or navigation?)
78) Secor 1A 75th American 24 Jan 62 U.S. Air Force Science & Technology
(Geodesy)
79) Surcal 1A 76th American 24 Jan 62 U.S. Navy/
U.S. Air Force
Radar Calibration(1st)
80) Ferret 1 77th American 21 Feb 62 U.S. National Re-
Connaissance Office
Electronic Intelligence
81) Discoverer 38 / KH-4 78th American 27 Feb 62 U.S. National Re-
Connaissance Office
Reconnaissance
82) Samos 6 79th American 7 Mar 62 U.S. National Re-
Connaissance Office
Reconnaissance
83) Kosmos 1 (DS-2 1) 4th Soviet 16 Mar 62 Soviet Union
Defense Ministry
Science & Technology
(1st Kosmos launch)
84) Kosmos 2 (1MS 1) 5th Soviet 6 Apr 62 Soviet Union
Defense Ministry
Science & Technology
(Radiations studies)
85) Midas 5 80th American 9 Apr 62 U.S. Department 
of Defense
Missile Early Warning
86) Westford 81st American 9 Apr 62 U.S. Department 
of Defense
Science & Technology
(Communications R&D)
87) Discoverer 39 / KH-4 82nd American 18 Apr 62 U.S. National Re-
Connaissance Office
Reconnaissance
88) Solrad 4B / GRAB 4B 83rd American 26 Apr 6 U.S. Navy Electronic Intelligence
(Solar radiations monitoring)
89) Kosmos 4 (Zenit-2 2) 6th Soviet 26 Apr 62 Soviet Union
Defense Ministry
Reconnaissance
90) Samos 7 84th American 26 Apr 62 U.S. National Re-
Connaissance Office
Reconnaissance
91) Discoverer 40 / KH-4 85th American 29 Apr 62 U.S. National Re-
Connaissance Office
Reconnaissance
92) ANNA 1A 86th American 10 May 62 Army-Navy- NASA-
Air Force
Science & Technology
(Geodesy)
93) Discoverer 41 / KH-5 87th American 15 May 62 U.S. National Re-
Connaissance Office
Reconnaissance
94) P-35-1 / DAPP 1 88th American 23 May 62 U.S. Department 
of Defense (AFSC)
Meteorology
95) Discoverer 42 / KH-4 89th American 30 May 62 U.S. National Re-
Connaissance Office
Reconnaissance
96) Kosmos (Zenit-2 3) 7th Soviet 1 Jun 62 Soviet Union
Defense Ministry
Reconnaissance
97) Discoverer 43 / KH-4 90th American 2 Jun 62 U.S. National Re-
Connaissance Office
Reconnaissance
98) Samos 8 91st American 17 Jun 62 U.S. National Re-
Connaissance Office
Reconnaissance
99) Ferret 2 92nd American 18 Jun 62 U.S. National Re-
Connaissance Office
Electronic Intelligence
100) Discoverer 44 / KH-4 93rd American 23 Jun 62 U.S. National Re-
Connaissance Office
Reconnaissance
101) Discoverer 45 / KH-4 94th American 28 Jun 62 U.S. National Re-
Connaissance Office
Reconnaissance
102) Kosmos 6 (DS-P1 1) 8th Soviet 30 Jun 62 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
103) Samos 9 95th American 18 Jul 62 U.S. National Re-
Connaissance Office
Reconnaissance
104) Discoverer 46 / KH-4 96th American 21 Jul 62 U.S. National Re-
Connaissance Office
Reconnaissance
105) Discoverer 47 / KH-4 97th American 28 Jul 62 U.S. National Re-
Connaissance Office
Reconnaissance
106) Kosmos 7 (Zenit-2 4) 9th Soviet 28 Jul 62 Soviet Union
Defense Ministry
Reconnaissance
107) Discoverer 48 / KH-4 98th American 2 Aug 62 U.S. National Re-
Connaissance Office
Reconnaissance
108) Samos 10 99th American 5 Aug 62 U.S. National Re-
Connaissance Office
Reconnaissance
109) P-35-2 / DAPP 2 100th American 23 Aug 62 U.S. Department
of Defense
Meteorology
110) Discoverer 49 / KH-4 101st American 29 Aug 62 U.S. National Re-
Connaissance Office
Reconnaissance
111) Discoverer 50 / KH-5 102nd American 1 Sep 62 U.S. National Re-
Connaissance Office
Reconnaissance
112) Discoverer 51 / KH-4 103rd American 17 Sep 62 U.S. National Re-
Connaissance Office
Reconnaissance
113) ERS 2 / TRS 1 104th American 17 Sep 62 U.S. Department
of Defense
Science & Technology
(R&D testbed?)
114) Kosmos 9 (Zenit-2 7) 10th Soviet 27 Sep 62 Soviet Union
Defense Ministry
Reconnaissance
115) Discoverer 52 / KH-4 105th American 29 Sep 62 U.S. National Re-
Connaissance Office
Reconnaissance
116) Discoverer 53 / KH-5 106th American 9 Oct 62 U.S. National Re-
Connaissance Office
Reconnaissance
117) Kosmos 10 (Zenit-2 5) 11th Soviet 17 Oct 62 Soviet Union
Defense Ministry
Reconnaissance
118) Kosmos 11 (DS-A1 1) 12th Soviet 20 Oct 62 Soviet Union
Defense Ministry
Science & Technology
(Radiations monitoring)
119) Kosmos (1MS) 13th Soviet 25 Oct 62 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
120) Starad 1 107th American 26 Oct 62 U.S. Air Force Science & Technology
(Artificial-radiations studies)
121) ANNA 1B 108th American 31 Oct 62 U.S. Navy Science & Technology
(Geodesy)
122) Discoverer 54 / KH-4 109th American 5 Nov 62 U.S. National Re-
Connaissance Office
Reconnaissance
123) Samos 11 110th American 11 Nov 62 U.S. National Re-
Connaissance Office
Reconnaissance
124) TRS 1 / ERS 1 111th American 11 Nov 62 U.S. Department
of Defense
Science & Technology
125) Discoverer 55 / KH-4 112th American 24 Nov 62 U.S. National Re-
Connaissance Office
Reconnaissance
126) Discoverer 56 / KH-4 113th American 4 Dec 62 U.S. National Re-
Connaissance Office
Reconnaissance
127) Black Sphere 114th American 13 Dec 62 U.S. Air Force U.S. Navy  Electronic Intelligence
128) Injun 3 115th American 13 Dec 62 U.S. Air Force U.S. Navy  Science & Technology
(Radiation decay data)
129) Surcal 2 116th American 13 Dec 62 U.S. Air Force U.S. Navy  Radar Calibration
130) Surcal 1B 117th American 13 Dec 62 U.S. Air Force U.S. Navy  Radar Calibration
131) Calsphere 1 118th American 13 Dec 62 U.S. Air Force U.S. Navy  Electronic Intelligence
132) Discoverer 57 / KH-4 119th American 14 Dec 62 U.S. National Re-
Connaissance Office
Reconnaissance
133) Midas 6 120th American 17 Dec 62 U.S. Department
of Defense
Missile Early Warning
134) TRS 3 / ERS 3 121st American 17 Dec 62 U.S. Department
of Defense
Science & Technology
135) TRS 4 / ERS 4 122nd American 17 Dec 62 U.S. Department
of Defense
Science & Technology
136) Transit 5A1 123rd American 19 Dec 62 U.S. Navy Navigation
(Operational prototype)
137) Kosmos 12 (Zenit-2 6) 14th Soviet 22 Dec 62 Soviet Union
Defense Ministry
Reconnaissance
1 9 6 3 (77 Military satellites in 97 missions = 79 %)
138) Discoverer 58 / KH-4 124th American 7 Jan 63 U.S. National Re-
connaissance Office
Reconnaissance
139) Ferret 3 125th American 16 Jan 63 U.S. National Re-
connaissance Office
Electronic Intelligence
140) P-35-3 / DAPP 3 126th American 19 Feb 63 U.S. Department
of Defense
Meteorology
141) Discoverer 59 / KH-4 127th American 28 Feb 63 U.S. National Re-
connaissance Office
Reconnaissance
142) Lanyard-8001 / KH-6 1 128th American 18 Mar 63 U.S. National Re-
connaissance Office
Reconnaissance
143) Hitchhiker / P-11 1 129th American 18 Mar 63 U.S. National Re-
connaissance Office
Electronic Intelligence
144) Kosmos 13 (Zenit-2 9) 15th Soviet 21 Mar 63 Soviet Union 
Defense Ministry
Reconnaissance
145) Discoverer 60 / KH-4 130th American 1 Apr 63 U.S. National Re-
connaissance Office
Reconnaissance
146) Transit 5A2 131st American 5 Apr 63 U.S. Navy Navigation
147) Kosmos (DS-P1 2) 16th Soviet 6 Apr 63 Soviet Union 
Defense Ministry
Science & Technology
(Technology R&D)
148) Kosmos 15 (Zenit-2 8) 17th Soviet 22 Apr 63 Soviet Union 
Defense Ministry
Reconnaissance
149) P-35-4 / DAPP 4 132nd American 26 Apr 63 U.S. Department
of Defense
Meteorology
150) Discoverer 61 / KH-4 133rd American 26 Apr 63 U.S. National Re-
connaissance Office
Reconnaissance
151) Kosmos 16 (Zenit-2 10) 18th Soviet 28 Apr 63 Soviet Union 
Defense Ministry
Reconnaissance
152) Midas 7 134th American 9 May 63 U.S. Department
of Defense.
Missile Early Warning
(1st operational MIDAS)
153) ERS 5 135th American 9 May 63 U.S. Air Force Science & Technology
(Solar cells damage data)
154) ERS 6 / TRS 3 136th American 9 May 63 U.S. Air Force Science & Technology
(Solar cells damage data)
155) DASH 1 137th American 9 May 63 U.S. Air Force Science & Technology
156) Westfort 2 138th American 9 May 63 U.S. Department
of Defense
Science & Technology
(Communications R&D)
157) Lanyard 8002 / KH-6 2 139th American 18 May 63 U.S. National Re-
connaissance Office
Reconnaissance
158) Kosmos 17 (DS-A1 2) 19th Soviet 22 May 63 Soviet Union 
Defense Ministry
Science & Technology
(Cosmic rays & radiations monitoring)
159) Kosmos 18 (Zenit-2 11) 20th Soviet 24 May 63 Soviet Union 
Defense Ministry
Reconnaissance
160) Discoverer 62 / KH-4 140th American 12 Jun 63 U.S. National Re-
connaissance Office
Reconnaissance
161) Midas 8 141st American 13 Jun 63 U.S. Department
of Defense
Missile Early Warning
162) TRS 7 / ERS 7 142nd American 13 Jun 63 U.S. Department
of Defense
Science & Technology
163) TRS 8 143rd American 13 Jun 63 U.S. Department
of Defense
Science & Technology
164) FTV1292 144th American 15 Jun 63 U.S. Navy Electronic Intelligence
165) Lofti 2A 145th American 15 Jun 63 U.S. Navy Communications
(Very-low frequency experiments)
166) Solrad 6A / GRAB 146th American 15 Jun 63 U.S. Navy Electronic Intelligence
(Solar radiation data)
167) Radose 112 147th American 15 Jun 63 U.S. Navy Science & Technology
(Radiations dosimeter measurements)
168) Ferret 130 148th American 15 Jun 63 U.S. Navy Electronic Intelligence
169) Surcal 1C-133 149th American 15 Jun 63 U.S. Air Force
U.S. Navy
Radar Calibration
170) Transit 5A3 150th American 15 Jun 63 U.S. Navy Navigation
171) Discoverer 63 / KH-4 151st American 27 Jun 63 U.S. National Re-
connaissance Office
Reconnaissance
172) Hitchhiker 1 / P-11 2 152nd American 27 Jun 63 U.S. Air Force Electronic Intelligence
(Radar signals intelligence gathering)
173) GRS 153rd American 28 Jun 63 U.S. Air Force Science & Technology
(Space gas data)
174) Ferret 4 154th American 29 Jun 63 U.S. National Re-
connaissance Office
Electronic Intelligence
175) Kosmos (Zenit-2 12) 21st Soviet 10 Jul 63 Soviet Union 
Defense Ministry
Reconnaissance
176) Improve Samos 1 / KH-7 1 155th American 12 Jul 63 U.S. National Re-
connaissance Office
Reconnaissance
177) Discoverer 64 / KH-4 156th American 19 Jul 63 U.S. National Re-
connaissance Office
Reconnaissance
178) Midas 9 157th American 19 Jul 63 U.S. Department
of Defense.
Science & Technology
179) TRS 10 / ERS 10  158th American 19 Jul 63 U.S. Air Force Science & Technology
(Radiation damage data)
180) TRS 4 / ERS 9 159th American 19 Jul 63 U.S. Air Force Science & Technology
(Air densities measurements)
181) DASH 2 160th American 19 Jul 63 U.S. Air Force Communications
(Exp. comsat, 1st geosynchronous satellite)
182) Lanyard 8003 / KH-4A  161st American 31 Jul 63 U.S. National Re-
connaissance Office
Reconnaissance
186) Kosmos 19 / DS-P1 3  22nd Soviet 6 Aug 63 Soviet Union 
Defense Ministry
Science & Technology
(Technology R&D)
184) Kosmos (DS-A1 3) 23rd Soviet 22 Aug 63 Soviet Union 
Defense Ministry
Science & Technology
(Cosmic rays & radiations monitoring)
185) Discoverer 65 / KH-4A 162nd American 25 Aug 63 U.S. National Re-
connaissance Office
Reconnaissance
186) Discoverer 66 / KH-4 163rd American 29 Aug 63 U.S. National Re-
connaissance Office
Reconnaissance
187) LAMPO 164th American 29 Aug 63 U.S. Air Force Electronic Intelligence
(Radar monitorin)
188) Improve Samos 2 / KH-7 2 165th American 6 Sep 63 U.S. National Re-
connaissance Office
Reconnaissance
189) Discoverer 67 / KH-4A 166th American 23 Sep 63 U.S. National Re-
connaissance Office
Reconnaissance
190) P-35-5 / DAPP 5 167th American 27 Sep 63 U.S. Department
of Defense.
Meteorology
191) Transit 5E 1 168th American 28 Sep 63 U.S. Navy Science & Technology
(Navigation R&D)
192) Transit 5BN1 169th American 28 Sep 63 U.S. Navy Navigation
193) APL SN 39 170th American 28 Sep 63 U.S. Navy Science & Technology
(Radiation studies)
194) Vela Hotel 1 / Vela 1A 171st American 17 Oct 63 U.S. Department
of Defense
Nuclear Tests Monitoring
195) Vela Hotel 2 / Vela 1B 172nd American 17 Oct 63 U.S. Department
of Defense
Nuclear Tests Monitoring
196) ERS 12 / TRS 5 173rd American 17 Oct 63 U.S. Department
of Defense
Science & Technology
197) Kosmos 20 (Zenit-2 13) 24th Soviet 18 Oct 63 Soviet Union 
Defense Ministry
Reconnaissance
198) Kosmos (DS-A1 4) 25th Soviet 24 Oct 63 Soviet Union 
Defense Ministry
Science & Technology
(Cosmic rays & radiations monitoring)
199) Improve Samos 3 / KH-7 3 174th American 25 Oct 63 U.S. National Re-
connaissance Office
Reconnaissance
200) Subsatellite 175th American 25 Oct 63 U.S. Air Force Science & Technology
201) Discoverer 68 / KH-5 176th American 29 Oct 63 U.S. National Re-
connaissance Office
Reconnaissance
202) Hitchhiker 2 / P-11 A3 177th American 29 Oct 63 U.S. National Re-
connaissance Office
Electronic Inteliigence
(Radar monitoring)
203) Poliot 1 (Polet or Polyot) 26th Soviet 1 Nov 63 Soviet Union
Defense Ministry
Antisatellite R&D (1st)
(Interceptor control and propulsion test)
204) Discoverer 69 / KH-4 178th American 9 Nov 63 U.S. National Re-
connaissance Office
Reconnaissance
205) Kosmos 22 (Zenit-4 1) 27th Soviet 16 Nov 63 Soviet Union 
Defense Ministry
Reconnaissance
206) Discoverer 70 / KH-4 179th American 27 Nov 63 U.S. National Re-
connaissance Office
Reconnaissance
207) Kosmos (Zenit-2 14) 28th Soviet 28 Nov 63 Soviet Union 
Defense Ministry
Reconnaissance
208) "Unidentified" 180th American 5 Dec 63 U.S. Navy Science & Technology
209) Transit 5BN2 181st American 5 Dec 63 U.S. Navy Navigation
210) Transit 5E 3 182nd American 5 Dec 63 U.S. Navy Science & Technology
(Navigation R&D)
211) Improve Samos 4 / KH-7 4 183rd American 18 Dec 63 U.S. National Re-
connaissance Office
Reconnaissance
212) Kosmos 24 (Zenit-2 15) 29th Soviet 19 Dec 63 Soviet Union 
Defense Ministry
Reconnaissance
213) Discoverer 71 / KH-4 184th American 21 Dec 63 U.S. National Re-
connaissance Office
Reconnaissance
214) Hitchhiker 3 / P-11 A4 185th American 21 Dec 63 U.S. Air Force Electronic Inteliigence
(Radar monitoring)
1 9 6 4 (85 military satellites in 127 missions = %)
215) "Ferret" 186th American 11 Jan 64 U.S. Air Force Electronic Intelligence
216) GGSE 1 187th American 11 Jan 64 U.S. NRL Science & Technology
(Gravity gradient stabilization test)
217) EGRS 1 / Secor 1 188th American 11 Jan 64 U.S. Army Science & Technology
(Geodesy: located Pacific islands)
218) Solrad 7A / GRAB 189th American 11 Jan 64 U.S. NRO? Electronic Intelligence
(Solar radiation data)
219) GRAB 5 190th American 11 Jan 64 U.S. NRO?  Electronic Intelligence
220) P-35-6 / DAPP 6 191st American 19 Jan 64 U.S. Department
of Defense 
Meteorology
221) P-35-7 / DAPP 7 192nd American 19 Jan 64 U.S. Department
of Defense
Meteorology
222) Discoverer 72 / KH-4A 193rd American 15 Feb 64 U.S. National Re-
connaissance Office
Photo Surveillance
223) Improve Samos 5 / KH-7 5 194th American 25 Feb 64 U.S. National Re-
connaissance Office
Photo Surveillance
224) Kosmos 25 (DS-P1 4) 30th Soviet 27 Feb 64 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
225) Ferret 5 195th American 28 Feb 64 U.S. Air Force Electronic Intelligence
226) Improve Samos 6 / KH-7 6 196th American 11 Mar 64 U.S. National Re-
connaissance Office
Photo Surveillance
227) Kosmos 26 (DS-MG 1) 31st Soviet 18 Mar 64 Soviet Union
Defense Ministty
Science & Technology
(Radiation data)
228) Discoverer 73 / KH-4A 197th American 24 Mar 64 U.S. National Re-
connaissance Office
Photo Surveillance
229) ORBIS 1 198th American 24 Mar 64 U.S. Air Force Science & Technology
230) Kosmos 28 (Zenit-2 16) 32nd Soviet 4 Apr 64 Soviet Union
Defense Ministry
Photo Surveillance
231) Polyot 2 (Polet 2) 33rd Soviet 12 Apr 64 Soviet Union
(Defense Ministry)
Antisatellite (R&D)
(Interceptor control and propulsion test)
232) Transit 5BN3 199th American 21 Apr 64 U.S. Navy Navigation
233) Transit 5E2 200th American 21 Apr 64 U.S. Navy Navigation
234) Improve Samos 7 / KH-7 7 201st American 23 Apr 64 U.S. National Re-
connaissance Office
Photo Surveillance
235) Kosmos 29 (Zenit-2 19) 34th Soviet 25 Apr 64 Soviet Union
Defense Ministry
Photo Surveillance
236) Discoverer 74 / KH-4A 202nd American 27 Apr 64 U.S. National Re-
connaissance Office
Photo Surveillance
237) Kosmos 30 (Zenit-4) 35th Soviet 18 May 64 Soviet Union
Defense Ministry
Photo Surveillance
238) Improve Samos 8 / KH-7 8 203rd American 19 May 64 U.S. National Re-
connaissance Office
Photo Surveillance
239) Transit 5C1 204th American 4 Jun 64 U.S. Navy Navigation
240) Discoverer 75 / KH-4A 205th American 4 Jun 64 U.S. National Re-
connaissance Office
Photo Surveillance
241) Kosmos 32 (Zenit-2 18) 36th Soviet 10 Jun 64 Soviet Union
Defense Ministry
Photo Surveillance
242) Discoverer 76 / KH-5 206th American 17 Jun 64 U.S. National Re-
connaissance Office
Photo Surveillance
243) Starflash 1A 207th American 13 Jun 64 U.S. Air Force Science & Technology
("Unknown purpose")
244) P-35-8 / DAPP 8 208th American 18 Jun 64 U.S. Department
of Defense
Meteorology
245) P-35-9 / DAPP 9 209th American 18 Jun 64 U.S. Department
of Defense
Meteorology
246) Discoverer 77 / KH-4A 210th American 19 Jun 64 U.S. National Re-
connaissance Office
Photo Surveillance
247) Kosmos 33 (Zenit-2 20) 37th Soviet 23 Jun 64 Soviet Union
Defense Ministry
Photo Surveillance
248) ESRS 211th American 25 Jun 64 U.S. Air Force Science & Technology
249) Kosmos 34 (Zenit-4) 38th Soviet 1 Jul 64 Soviet Union
Defense Ministry
Photo Surveillance
250) Ferret 6 212th American 2 Jul 64 U.S. National Re-
connaissance Office
Electronic Intelligence
251) Improve Samos 9 / KH-7 9 213th American 6 Jul 64 U.S. National Re-
connaissance Office
Photo Surveillance
252) Hitchhiker 5 214th American 6 Jul 64 U.S. Department
of Defense
Electronic Intelligence
(Radar monitoring)
253) Discoverer 78 / KH-4A 215th American 10 Jul 64 U.S. National Re-
connaissance Office
Photo Surveillance
254) Kosmos 35 (Zenit-2 21) 39th Soviet 15 Jul 64 Soviet Union
Defense Ministry
Photo Surveillance
255) Vela Hotel 3 / Vela 2A 216th American 17 Jul 64 U.S. Department
of Defense
Nuclear Tests Monitoring
256) Vela Hotel 4 / Vela 2B 217th American 17 Jul 64 U.S. Department
of Defense
Nuclear Tests Monitoring
257) ERS 13 / TRS 6 218th American 17 Jul 64 U.S. Air Force Science & Technology
(Technology R&D)
258) Kosmos 36 (DS-P1-Yu 1) 40th Soviet 30 Jul 64 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
259) Discoverer 79 / KH-4A 219th American 5 Aug 64 U.S. National Re-
connaissance Office
Photo Surveillance
260) Kosmos 37 (Zenit-2 22) 41st Soviet 14 Aug 64 Photo Surveillance
261) Improve Samos 10 / KH-7 10 220th American 14 Aug 64 U.S. National Re-
connaissance Office
Photo Surveillance
262) Hitchhiker 6 221st American 14 Aug 64 U.S. National Re-
connaissance Office
Electronic Intelligence
263) Kosmos 38 (Strela-1) 42nd Soviet 18 Aug 64 Soviet Union
Defense Ministry
Communications
(Store/dump comsat,
1st Strela-1 launches)
264) Kosmos 39 (Strela-1) 43rd Soviet 18 Aug 64 Soviet Union
Defense Ministry
Communications
(Store/dump comsat,
1st Strela-1 launches)
265) Kosmos 40 (Strela-1) 44th Soviet 18 Aug 64 Soviet Union
Defense Ministry
Communications
(Store/dump comsat,
1st Strela-1 launches)
266) Discoverer 80 / KH-5 222nd American 21 Aug 64 U.S. National Re-
connaissance Office
Photo Surveillance
267) Starflash 1B 223rd American 21 Aug 64 U.S. Air Force Science & Technology
("Unknown purpose")
268) Kosmos 42 (Strela-1) 45th Soviet 22 Aug 64 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
269) Kosmos 43 (Strela-1) 46th Soviet 22 Aug 64 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
270) Transtage 224th American 1 Sep 64 U.S. Air Force Science & Technology
(Launch vehicle test)
271) Kosmos 45 (Zenit-4) 47th Soviet 13 Sep 64 Soviet Union
Defense Ministry
Photo Surveillance
272) Discoverer 81 / KH-4A 225th American 14 Sep 64 U.S. National Re-
connaissance Office
Photo Surveillance
273) Improve Samos 11 / KH-7 11 226th American 23 Sep 64 U.S. National Re-
connaissance Office
Photo Surveillance
274) Kosmos 46 (Zenit-2 23) 48th Soviet 24 Sep 64 Soviet Union
Defense Ministry
Photo Surveillance
275) Discoverer 82 / KH-4A 227th American 5 Oct 64 U.S. National Re-
connaissance Office
Photo Surveillance
276) Transit O-1 / NNS O-1 228th American 6 Oct 64 U.S. Navy Navigation
277) Calsphere 1 229th American 6 Oct 64 U.S. Navy Radar Calibration
276) Calsphere 2 230th American 6 Oct 64 U.S. Navy Radar Calibration
279) Improve Samos 12 / KH-7 12 231st American 8 Oct 64 U.S. National Re-
connaissance Office
Photo Surveillance
280) Kosmos 48 (Zenit-2 24) 49th Soviet 14 Oct 64 Soviet Union
Defense Ministry
Photo Surveillance
281) Discoverer 83 / KH-4A 232 American 17 Oct 64 U.S. National Re-
connaissance Office
Photo Surveillance
282) Kosmos (Strela-1) 50th Soviet 23 Oct 64 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
283) Kosmos (Strela-1) 51st Soviet 23 Oct 64 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
284) Kosmos (Strela-1) 52nd Soviet 23 Oct 64 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
285) Improve Samos 13 / KH-7 13 233rd American 23 Oct 64 U.S. National Re-
connaissance Office
Photo Surveillance
286) Hitchicker 7 234th American 23 Oct 64 U.S. National Re-
connaissance Office
Electronic Intelligence
287) Kosmos 49 (DS-MG 2) 53rd Soviet 24 Oct 64 Soviet Union
Defense Ministry
Science & Technology
(Earth infrared &
UV flux studies)
288) Kosmos 50 (Zenit-2 25) 54th Soviet 28 Oct 64 Soviet Union
Defense Ministry
Photo Surveillance
289) Discoverer 84 / KH-4A 235th American 2 Nov 64 U.S. National Re-
connaissance Office
Photo Surveillance
290) Ferret 7 236th American 4 Nov 64 U.S. National Re-
connaissance Office
Electronic Intelligence
291) Discoverer 85 / KH-4A 237th American 18 Nov 64 U.S. National Re-
connaissance Office
Photo Surveillance
292) ORBIS 238th American 18 Nov 64 U.S. Air Force? Science & Technology
293) Kosmos (DS-2 2) 55th Soviet 1 Dec 64 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
294) Improve Samos 14 / KH-7 14 239th American 4 Dec 64 U.S. National Re-
connaissance Office
Photo Surveillance
295) Transtage 1 240th American 10 Dec 64 U.S. Air Force Science & Technology
(Launch vehicle test)
296) Transit 5E5 241st American 13 Dec 64 U.S. Navy/ Science & Technology
(Navigation R&D)
297) Transit O-2 / NNS O-2 242nd American 13 Dec 64 U.S. Navy/U.S. Air Force Navigation?
(Celestial UV, magnetic field data)
298) Discoverer 86 / KH-4A 243rd American 19 Dec 64 U.S. National Re-
connaissance Office
Photo Surveillance
299) Ferret 11 244th American 21 Dec 64 U.S. National Re-
connaissance Office
Electronic Intelligence
1 9 6 5 (126 military satellites in 180 missions = %)
300) Kosmos 52 / Zenit-2 26 56th Soviet 11 Jan 65 Soviet Union
Defense Ministry
Photo Surveillance
301) Discoverer 87 / KH-4A 245th American 15 Jan 65 U.S. National Re-
Connaissance Office
Photo Surveillance
302) P-35-10 / DAPP 10 246th American 19 Jan 65 U.S. Department
of Defense
Meteorology
303) MTV 1 247th American 21 Jan 65 U.S. Air Force Science & Technology
304) OV1-1 248th American 21 Jan 65 U.S. Air Force Science & Technology
305) Improve Samos 15 / KH-7 15 249th American 23 Jan 65 U.S. National Re-
Connaissance Office
Photo Surveillance
306) Kosmos 53 / DS-A1 5 57th Soviet 30 Jan 65 Soviet Union
Defense Ministry
Science & Technology
(Cosmic rays & radiation monitoring)
307) Transtage 3 250th American 11 Feb 65 U.S. Air Force Science & Technology
(Launch vehicle test)
308) LES 1 251st American 11 Feb 65 U.S. Lincoln Laboratory Communications
(Experimental comsat)
309) Kosmos / DS-P1-Yu 2 58th Soviet 12 Feb 65 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
310) Kosmos / DS-A1 6 59th Soviet 20 Feb 65 Soviet Union
Defense Ministry
Science & Technology
(Cosmic rays & radiations monitoring)
311) Kosmos 54 / Strela-1 60th Soviet 21 Feb 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
312) Kosmos 55 / Strela-1 61st Soviet 21 Feb 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
313) Kosmos 56 / Strela-1 62nd Soviet 21 Feb 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
314) Discoverer 88 / KH-4A 252nd American 25 Feb 65 U.S. National Re-
Connaissance Office
Photo Surveillance
315) FOBS 0 63rd Soviet 5 Mar 65 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
316) Kosmos 59 / Zenit-4 64th Soviet 7 Mar 65 Soviet Union
Defense Ministry
Photo Surveillance
317) GRAB 6 / Solrad 6B 253rd American 9 Mar 65 U.S. NRL Electronic Intelligence
318) GGSE 2 254th American 9 Mar 65 U.S. NRL Science & Technology
(Gravity gradient stabilization test)
319) GGSE 3 255th American 9 Mar 65 U.S. NRL Science & Technology
(Gravity gradient stabilization test)
320) Solrad 7B / EGRS 3 256th American 9 Mar 65 U.S. NRL Electronic Intelligence
(Solar radiation monitoring)
321) Secor 3 / EGRS 3 257th American 9 Mar 65 U.S. Army Science & Technology
(Geodesy)
322) Surcal 4 258th American 9 Mar 65 U.S. Navy Radar Calibration
323) Dodecapole I / Porcupine 1 259th American 9 Mar 65 U.S. Navy Radar Calibration
324) Transit O-3 / NNS O-3 260th American 11 Mar 65 U.S. Navy Navigation
325) Secor 2 261st American 11 Mar 65 U.S. Navy Science & Technology
(Geodesy)
326) Improve Samos 16 / KH-7 16 262nd American 12 Mar 65 U.S. National Re-
Connaissance Office
Photo Surveillance
327) Kosmos 61 / Strela-1 65th Soviet 15 Mar 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
328) Kosmos 62 / Strela-1 66th Soviet 15 Mar 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
329) Kosmos 63 / Strela-1 67th Soviet 15 Mar 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
330) P-35-11 / DAPP 11 263rd American 18 Mar 65 U.S. Department
of Defense
Meteorology
331) Kosmos 64 / Zenit-2 17 68th Soviet 25 Mar 65 Soviet Union
Defense Ministry
Photo Surveillance
332) Discoverer 89 / KH-4A 264th American 25 Mar 65 U.S. National Re-
Connaissance Office
Photo Surveillance
333) SNAP 10A 265th American 3 Apr 65 U.S. Army /AEC Science & Technology
(Ion engine test)
334) Secor 4 / EGRS 4 266th American 3 Apr 65 U.S. Army/ACE Science & Technology
(Geodesy)
335) Kosmos 65 / Zenit-4 69th Soviet 17 Apr 65 Soviet Union
Defense Ministry
Photo Surveillance
336) Improve Samos 17 / KH-7 17 267th American 28 Apr 65 U.S. National Re-
Connaissance Office
Photo Surveillance
337) Hitchhiker 8 268th American 28 Apr 65 U.S. National Re-
Connaissance Office
Electronic Intelligence
338) Discoverer 90 / KH-4 269th American 29 Apr 65 U.S. National Re-
Connaissance Office
Photo Surveillance
339) Transtage 6 270th American 6 May 65 U.S. Air Force Science & Technology
(Launch vehicle test)
340) LES 2 271st American 6 May 65 U.S. Lincoln Laboratory 18 Sep 65
(Experimental)
341) LCS 1 272nd American 6 May 65 U.S. Air Force Science & Technology
342) Kosmos 66 / Zenit-2 27 70th Soviet 7 May 65 Soviet Union
Defense Ministry
Photo Surveillance
343) Discoverer 91 / KH-4A 273rd American 18 May 65 U.S. National Re-
Connaissance Office
Photo Surveillance
344) P-35-12 / DAPP 12 274th American 20 May 65 U.S. Department
of Defense
Meteorology
345) Kosmos 67 / Zenit-4 71st Soviet 25 May 65 Soviet Union
Defense Ministry
Photo Surveillance
346) Improve Samos 18 / KH-7 18 275th American 25 May 65 U.S. National Re-
Connaissance Office
Photo Surveillance
347) OV 1-3 276th American 28 May 65 U.S. Air Force Science & Technology
348) Discoverer 92 / KH-4A 277th American 9 Jun 65 U.S. National Re-
Connaissance Office
Photo Surveillance
349) Kosmos 68 / Zenit-2 29 72nd Soviet 15 Jun 65 Soviet Union
Defense Ministry
Photo Surveillance
350) Transtage 7 278th American 18 Jun 65 U.S. Air Force Science & Technology
(Launch vehicle test)
351) Transit O-4 / NNS O-4 279th American 24 Jun 65 U.S. Navy Navigation
352) Kosmos 69 / Zenit-4 73rh Soviet 25 Jun 65 Soviet Union
Defense Ministry
Photo Surveillance
353) Improve Samos 19 / KH-7 19 280th American 25 Jun 65 U.S. National Re-
Connaissance Office
Photo Surveillance
354) Hitchhiker 9 281st American 25 Jun 65 U.S. National Re-
Connaissance Office
Electronic Intelligence
355) Kosmos 70 / DS-A1 7 74th Soviet 2 Jul 65 Soviet Union
Defense Ministry
Science & Technology
(Cosmic rays & radiations monitoring)
356) Improve Samos 20 / KH-7 20 282nd American 12 Jul 65 U.S. National Re-
Connaissance Office
Photo Surveillance
357) Kosmos / Zenit-2 28 75th Soviet 13 Jul 65 Soviet Union
Defense Ministry
Photo Surveillance
(Store/dump comsat)
358) Kosmos 71 / Strela-1 76th Soviet 16 Jul 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
359) Kosmos 72 / Strela-1 77th Soviet 16 Jul 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
360) Kosmos 73 / Strela-1 78th Soviet 16 Jul 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
361) Kosmos 74 / Strela-1 79th Soviet 16 Jul 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
362) Kosmos 75 / Strela-1 80th Soviet 16 Jul 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
363) Ferret 8 283rd American 17 Jul 65 U.S. National Re-
Connaissance Office
Electronic Intelligence
364) Discoverer 93 / KH-4A 284th American 19 Jul 65 U.S. National Re-
Connaissance Office
Photo Surveillance
365) Vela Hotel 5 / Vela 3A 285th American 20 Jul 65 U.S. Department
of Defens
Nuclear Test  Monitoring
366) Vela Hotel 6 / Vela 3B 286th American 20 Jul 65 U.S. Department
of Defens
Nuclear Test  Monitoring
367) ERS 17 / ORS 3 287th American 20 Jul 65 U.S. Air Force Science & Technology
(Radiation data)
368) Kosmos 76 / DS-P1-Yu 3 81st Soviet 23 Jul 65 Soviet Union
Defense Ministry
Science & Technology
(Technologys R&D)
369) Kosmos 77 / Zenit-4 82nd Soviet 3 Aug 65 Soviet Union
Defense Ministry
Photo Surveillance
370) Improve Samos 21 / KH-7 21 288th American 3 Aug 65 U.S. National Re-
Connaissance Office
Photo Surveillance
371) Hitchhiker 10 289th American 3 Aug 65 U.S. National Re-
Connaissance Office
Electronic Intelligence
(Radar monitoring)
372) Secord 5 / EGRS 5 290th American 10 Aug 65 U.S. Army Science & Technology
(Geodesy)
373) Surcal / Porcupine 2 291st American 13 Aug 65 U.S. Navy Radar Calibration
374) Surcal / Dodecapole 2 292nd American 13 Aug 65 U.S. Navy Radar Calibration
375) Surcal / Tempsat 1 293rd American 13 Aug 65 U.S. Navy Radar Calibration
376) Transit-O 5 / NNS O-5 294th American 13 Aug 65 U.S. Navy Navigation
377) Spasur Rod 1 295th American 13 Aug 65 U.S. Navy Radar Calibration
378) Calsphere 4 296th American 13 Aug 65 U.S. Navy Radar Calibration
379) Surcal 5 297th American 13 Aug 65 U.S. Navy Radar Calibration
380) Surcal 298th American 13 Aug 65 U.S. Navy Radar Calibration
381) Kosmos 78 / Zenit-2 30 83rd Soviet 14 Aug 65 Soviet Union
Defense Ministry
Photo Surveillance
382) Discoverer 94 / KH-4A 299th American 17 Aug 65 U.S. National Re-
Connaissance Office
Photo Surveillance
383) Kosmos 79 / Zenit-4 84th Soviet 25 Aug 65 Photo Surveillance
384) Starad 2 300th American 2 Sep 65 U.S. Air Force Science & Technology
(Artificial radiation data)
385) Kosmos 80 / Strela-1 85th Soviet 3 Sep 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
386) Kosmos 81 / Strela-1 86th Soviet 3 Sep 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
387) Kosmos 82 / Strela-1 87th Soviet 3 Sep 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
388) Kosmos 83 / Strela-1 88th Soviet 3 Sep 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
389) Kosmos 84 / Strela-1 89th Soviet 3 Sep 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
390) Kosmos 85 / Zenit-4 90th Soviet 9 Sep 65 Soviet Union
Defense Ministry
Photo Surveillance
391) P-35-13 / DAPP 13 301st American 10 Sep 65 U.S. Department
of Defense
Meteorology
392) Kosmos 86 / Strela-1 91st Soviet 18 Sep 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
393) Kosmos 87 / Strela-1 92nd Soviet 18 Sep 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
394) Kosmos 88 / Strela-1 93rd Soviet 18 Sep 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
395) Kosmos 89 / Strela-1 94th Soviet 18 Sep 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
396) Kosmos 90 / Strela-1 95th Soviet 18 Sep 65 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
397) Discoverer 95 / KH-4A 302nd American 22 Sep 65 U.S. National Re-
Connaissance Office
Photo Surveillance
398) Kosmos 91 / Zenit-4 96th Soviet 22 Sep 65 Soviet Union
Defense Ministry
Photo Surveillance
399) Improve Samos 22 / KH-7 22 303rd American 30 Sep 65 U.S. National Re-
Connaissance Office
Photo Surveillance
400) OV 1-2 304th American 5 Oct 65 U.S. Air Force Science & Technology
(Radiation data)
401) OV1 Dummy 305th American 5 Oct 65 U.S. Air Force Science & Technology
402) Discoverer 96 / KH-4A 306th American 5 Oct 65 U.S. National Re-
Connaissance Office
Photo Surveillance
403) LCS 2 (Transtage 4) 307th American 15 Oct 65 U.S. Air Force Science & Technology
404) OV 2-1 308th American 15 Oct 65 U.S. Air Force Science & Technology
405) Kosmos 92 / Zenit-4 97th Soviet 16 Oct 65 Soviet Union
Defense Ministry
Photo Surveillance
406) Kosmos 93 / DS-U2-V 1 98th Soviet 19 Oct 65 Soviet Union
Defense Ministry
Science & Technology
(Upper atmosphere studies)
407) Kosmos 94 / Zenit-4 99th Soviet 28 Oct 65 Soviet Union
Defense Ministry
Photo Surveillance
408) Discoverer 97 / KH-4A 309th American U.S. National Re-
Connaissance Office
Photo Surveillance
409) Kosmos 95 / DS-U2-V 2 100th Soviet 4 Nov 65 Soviet Union
Defense Ministry
Science & Technology
(Upper atmosphere studies)
410) Improve Samos 23 / KH-7 310th American 8 Nov 65 U.S. National Re-
Connaissance Office
Photo Surveillance
411) Agena Pickaback 311th American 8 Nov 65 U.S. Air Force Electronic intelligence?
412) Kosmos 97 / DS-U2-M 1 101st Soviet 26 Nov 65 Soviet Union
Defense Ministry
Science & Technology
(Upper atmosphere studies)
413) Kosmos 98 / Zenit-2 31 102nd Soviet 27 Nov 65 Soviet Union
Defense Ministry
Photo Surveillance
414) Discoverer 98 / KH-A 312th American 9 Dec 65 U.S. National Re-
Connaissance Office
Photo Surveillance
415) Kosmos 99 / Zenit-2 32 103rd Soviet 10 Dec 65 Soviet Union
Defense Ministry
Photo Surveillance
416) FOBS test 104th Soviet 16 Dec 65 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
(First suborbital test of the FOBS system)
417) Kosmos 101 / DS-P1-Yu 4 105th Soviet 21 Dec 65 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
418) OV 2-3 (Transtage 8) 313th American 21 Dec 65 U.S. Air Force Science & Technology
(Launch vehicle test)
419) LES 3 314th American 21 Dec 65 U.S. Lincoln Laboratory 18 Sep 65
(Experimental)
420) LES 4 315th American 21 Dec 65 U.S. Lincoln Laboratory Communications
(Experimental comsat)
421) Transit 10 / NNS O-6 316th American 24 Dec 65 U.S. Navy Navigation
422) Discoverer 99 / KH-4A 317th American 24 Dec 65 U.S. National Re-
Connaissance Office
Photo Surveillance
423) Kosmos 102 / US-A 106th Soviet 28 Dec 65 Soviet Union
Defense Ministry
Ocean Surveillance (1st)
424) Kosmos / DS-K-40 1 107th Soviet 28 Dec 65 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
425) Kosmos 103 / Strela-2 108th Soviet 28 Dec 65 Soviet Union
Defense Ministry
Communications
(1st Strela-2 comsat, possible test flight)
1 9 6 6  (119 military satellites in 174 missions = %)
426) Kosmos 104 / Zenit-2 36 109th Soviet 7 Jan 66 Soviet Union
Defense Ministry
Photo Surveillance
427) P-35-14 / DAPP 14 318th American 8 Jan 66 U.S. Department 
of Defense
Meteorology
428) Improve Samos 24 / KH-7 24 319th American 19 Jan 66 U.S. National Re-
connaissance Office
Photo Surveillance
429) Agena Pickaback 320th American 19 Jan 66 U.S. Air Force Electronic Intelligence
430) Kosmos 105 / Zenit-2 38 110th Soviet 22 Jan 66 Soviet Union
Defense Ministry
Photo Surveillance
431) Kosmos 106 / DS-P1-I 1 111th Soviet 25 Jan 66 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
432) Transit 11 / NNS O-7 321stth American 28 Jan 66 U.S. Navy Navigation
433) Discoverer 100 / KH-4A 322nd American 2 Feb 66 U.S. National Re-
connaissance Office
Photo Surveillance
434) FOBS test 112th Soviet 5 Feb 66 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
435) Ferret 9 323rd American 9 Feb 66 U.S. National Re-
connaissance Office
Electronic Intelligence
436) Kosmos 107 / Zenit-2 34 113th Soviet 10 Feb 66 Soviet Union
Defense Ministry
Photo Surveillance
437) Improve Samos 25 / KH-7 25 324th American 15 Feb 66 U.S. National Re-
connaissance Office
Photo Surveillance
438) Bluebell 2C 325th American 15 Feb 66 U.S. Air Force Radar Calibration
439) Bluebell 2S 326th American 15 Feb 66 U.S. Air Force Radar Calibration
440) Kosmos 109 / Zenit-4 114th Soviet 19 Feb 66 Soviet Union
Defense Ministry
Photo Surveillance
441) Kosmos / DS-K-40 2 115th Soviet 21 Feb 66 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
442) Discoverer 101 / KH-4A 327th American 9 Mar 66 U.S. National Re-
connaissance Office
Photo Surveillance
443) Kosmos 112 / Zenit-2 37 116th Soviet 17 Mar 66 Soviet Union
Defense Ministry
Photo Surveillance
444) FOBS test 117th Soviet 17 Mar 66 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
445) Improve Samos 26/ KH-7 26 328th American 18 Mar 66 U.S. National Re-
connaissance Office
Photo Surveillance
446) Agena Pickaback 329th American 18 Mar 66 U.S. Air Force Electronic Intelligence
447) Kosmos 113 / Zenit-4 118th Soviet 21 Mar 66 Soviet Union
Defense Ministry
Photo Surveillance
448) Transit 12 / NNS O-8 330th American 26 Mar 66 U.S. Navy Navigation
449) A-302 / SPP 28 331st American 30 Mar 66 U.S. Air Force Science & Technology
450) OV 1-4 332nd American 30 Mar 66 U.S. Air Force Science & Technology
(Thermal control experiments)
451) OV 1-5 333rd American 30 Mar 66 U.S. Air Force Science & Technology
(Optical radiation test)
452) P-35-15 / DAPP 15 334th American 31 Mar 66 U.S. Department 
of Defense
Meteorology
453) Kosmos 114 / Zenit-4 119th Soviet 6 Apr 66 Soviet Union
Defense Ministry
Photo Surveillance
455) Discoverer 102 / KH-4A 335th American 7 Apr 66 U.S. National Re-
connaissance Office
Photo Surveillance
455) Improve Samos 27 / KH-7 27 336th American 19 Apr 66 U.S. National Re-
connaissance Office
Photo Surveillance
456) Kosmos 115 / Zenit-2 35 120th Soviet 20 Apr 66 Soviet Union
Defense Ministry
Photo Surveillance
457) OV 3-1 337th American 22 Apr 66 U.S. Air Force Science & Technology)
(Radiation data)
458) Kosmos 116 / DS-P1-Yu 6 121st Soviet 26 Apr 66 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
459) Discoverer 103 / KH-4A 338th American 3 May 66 U.S. National Re-
connaissance Office
Photo Surveillance
460) Kosmos 117 / Zenit-2 39 122nd Soviet 6 May 66 Soviet Union
Defense Ministry
Photo Surveillance
461) Improve Samos 28 / KH-7 28 339th American 14 May 66 U.S. National Re-
connaissance Office
Photo Surveillance
462) Hitchhiker 11 340th American 14 May 66 U.S. National Re-
connaissance Office
Electronic Intelligence
(Radar monitoring)
463) Kosmos / Zenit-4 123th Soviet 17 May 66 Soviet Union
Defense Ministry
Photo Surveillance
464) Transit 13 / NNS O-9 341st American 19 May 66 U.S. Navy Navigation
465) FOBS test 124th Soviet 20 May 66 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
466) Discoverer 104 / KH-4A 342nd American 24 May 66 U.S. National Re-
connaissance Office
Photo Surveillance
467) Kosmos 119 / DS-U2-I 1 125th Soviet 24 May 66 Soviet Union
Defense Ministry
Science & Technology
(Influence of the ionosphere on passing VLF radio waves)
468) Impove Samos 29 / KH-7 29 343rd American 3 Jun 66 U.S. National Re-
connaissance Office
Photo Surveillance
469) Agena Pickaback 344th American 3 Jun 66 U.S. Air Force Electronic Intelligence
470) Kosmos 120 / Zenit-2 41 126th Soviet 8 Jun 66 Soviet Union
Defense Ministry
Photo Surveillance
471) Midas 10 / Improve Midas 1 345th American 9 Jun 66 U..S. Air Force Missile Early Warning
472) Secor 6 / EGRS 6 346th American 9 Jun 66 U..S. Army/ACE Science & Technology
(Geodesy)
473) ERS 16 / ORS 2 347th American 9 Jun 66 U..S. Air Force Science & Technology
(Metal-to-metal bonding experiments)
474) OV 3-4 348th American 10 Jun 66 U..S. Air Force Science & Technology
(Radiation measurements)
475) GGTS 1 349th American 16 Jun 66 U..S. Air Force Science & Technology
(Gravity gradient stabilization tests
476) IDSCP 1-1 350th American 16 Jun 66 U.S. Department 
of Defense
Communications
477) IDSCP 1-2 351st American 16 Jun 66 U.S. Department 
of Defense
Communications
478) IDSCP 1-3 352nd American 16 Jun 66 U.S. Department 
of Defense
Communications
479) IDSCP 1-4 353rd American 16 Jun 66 U.S. Department 
of Defense
Communications
480) IDSCP 1-5 354th American 16 Jun 66 U.S. Department 
of Defense
Communications
481) IDSCP 1-6 355th American 16 Jun 66 U.S. Department 
of Defense
Communications
482) IDSCP 1-7  356th American 16 Jun 66 U.S. Department 
of Defense
Communications
483) Kosmos 121 / Zenit-4 127th Soviet 17 Jun 66 Soviet Union
Defense Ministry
Photo Surveillance
484) Discoverer 105 / KH-4A 357th American 21 Jun 66 U.S. National Re-
connaissance Office
Photo Surveillance
485) Kosmos 123 / DS-P1-Yu 5 128th Soviet 8 Jul 66 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
486) Improve Samos 30 / KH-7 30 358th American 12 Jul 66 U.S. National Re-
connaissance Office
Photo Surveillance
487) OV 1-8 359th American 14 Jul 66 U.S. Air Force Science & Technology
488) OV 1-7 360th American 14 Jul 66 U.S. Air Force Science & Technology
489) OV 1-subsat 361st American 14 Jul 66 U.S. Air Force Science & Technology
490) Kosmos 124 / Zenit-2 42 129th Soviet 14 Jul 66 Soviet Union
Defense Ministry
Photo Surveillance
491) Kosmos 125 / US-A 130th Soviet 20 Jul 66 Soviet Union
Defense Ministry
Ocean Surveillance
(Prototype RORSAT hardware)
492) Kosmos 126 / Zenit-4 131st Soviet 28 Jul 66 Soviet Union
Defense Ministry
Photo Surveillance
493) Titan Samos 1 / KH-8 1  GAMBIT 362nd American 29 Jul 66 U.S. National Re-
connaissance Office
Photo Surveillance
494) OV 3-3 363rd American 4 Aug 66 U.S. Air Force Science & Technology
(Radiation measurements)
495) Kosmos 127 / Zenit-4 132nd Soviet 8 Aug 66 Soviet Union
Defense Ministry
Photo Surveillance
496) Discoverer 106 / KH-4A 364th American 9 Aug 66 U.S. National Re-
connaissance Office
Photo Surveillance
497) Improve Samos 31 / KH-7 31 365h American 16 Aug 66 U.S. National Re-
connaissance Office
Photo Surveillance
498) Hitchhiker 12 366h American 16 Aug 66 U.S. National Re-
connaissance Office
Electronic Intelligence
(Radar monitoring)
499) Transit 14 / NNS O-10 367h American 18 Aug 66 U.S. Navy Navigation
500) Midas 11 / Midas RTS 2 368h American 19 Aug 66 U.S. Air Force Missile Early Warning
501) Secor 7 / EGRS 7 369h American 19 Aug 66 U.S. Army Science & Technology
(Geodesy)
502) ERS 15 / ORS 1 370h American 19 Aug 66 U.S. Air Force Science & Technology
(Cold welding experiments)
503) IDCSP 8 371s American 26 Aug 66 U.S. Air Force Communications
504) IDCSP 9 372nd American 26 Aug 66 U.S. Air Force Communications
505) IDCSP 10 373rd American 26 Aug 66 U.S. Air Force Communications
506) IDCSP 11 374h American 26 Aug 66 U.S. Air Force Communications
507) IDCSP 12 375h American 26 Aug 66 U.S. Air Force Communications
508) IDCSP 13 376h American 26 Aug 66 U.S. Air Force Communications
509) IDCSP 14 377h American 26 Aug 66 U.S. Air Force Communications
510) IDCSP 15 378h American 26 Aug 66 U.S. Air Force Communications
511) Kosmos 128 / Zenit-4 133rd Soviet 27 Aug 66 Soviet Union
Defense Ministry
Photo Surveillance
512) Kosmos / Zenit-2 40 134th Soviet 16 Sep 66 Soviet Union
Defense Ministry
Photo Surveillance
513) P-35-16 379h American 16 Sep 66 U.S. Department 
of Defense
Meteorology
514) Improve Samos 32 / KH-7 32 380h American 16 Sep 66 U.S. National Re-
connaissance Office
Photo Surveillance
515) Hitchhiker 13 381s American 16 Sep 66 U.S. National Re-
connaissance Office
Electronic Intelligence
(Radar monitoring
516) FOBS test 135th Soviet 17 Sep 66 Soviet Union
Defense Ministry
Fractional Orbital Bombardment System
517) Discoverer 107 / KH-4A 382n American 20 Sep 66 U.S. National Re-
connaissance Office
Photo Surveillance
518) Titan Samos 2 / KH-8 2 
GAMBIT
383r American 28 Sep 66 U.S. National Re-
connaissance Office
Photo Surveillance
519) Midas 12 / Improve Midas 2 384h American 5 Oct 66 U.S. Air Force Missile Early Warning
520) Secor 8 / EGRS 8 385h American 5 Oct 66 U.S. Army Science & Technology
(Geodesy)
521) Improve Samos 33 / KH-7 33 386h American 12 Oct 66 U.S. National Re-
connaissance Office
Photo Surveillance
522) SGLS 1 387h American 12 Oct 66 U.S. Air Force Electronic Intelligence
523) Kosmos 129 / Zenit-2 33 136th Soviet 14 Oct 66 Soviet Union
Defense Ministry
Photo Surveillance
524) Kosmos 130 / Zenit-4 137th Soviet 20 Oct 66 Soviet Union
Defense Ministry
Photo Surveillance
525) OV 3-2 388h American 28 Oct 66 U.S. Air Force Science & Technology
(Radiation data)
526) FOBS tes 138th Soviet 2 Nov 66 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
527) Improve Samos 34 / KH-7 34 389h American 2 Nov 66 U.S. National Re-
connaissance Office
Electronic Intelligence
528) Agena Pickaback 390h American 2 Nov 66 U.S. Air Force Electronic Intelligence
529) OV 4-3 381s American 2 Nov 66 U.S. Air Force Science & Technology
530) MOL / Gemini B 392n American 2 Nov 66 U.S. Air Force Piloted Spaceship R&D
(Station mockup & heat shield reentry test)
531) OV 4-1R 393rd American 2 Nov 66 U.S. Air Force Science & Technology
(Whispering gallery experiments)
532) OV 4-6S 394h American 2 Nov 66 U.S. Air Force Science & Technology
533) OV 4-1T 395h American 2 Nov 66 U.S. Air Force Science & Technology
(Whispering gallery experiments)
534) Discoverer 108 / KH-4A 396h American 8 Nov 66 U.S. National Re-
connaissance Office
Photo Surveillance
535) Kosmos 131 / Zenit-4 139th Soviet 12 Nov 66 Soviet Union
Defense Ministry
Photo Surveillance
536) Kosmos / Strela-2 140th Soviet 16 Nov 66 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
537) Kosmos 132 / Zenit-2 46 141st Soviet 19 Nov 66 Soviet Union
Defense Ministry
Photo Surveillance
538) Kosmos 134 / Zenit-4 142nd Soviet 3 Dec 66 Soviet Union
Defense Ministry
Photo Surveillance
539) Improve Samos 35 / KH-7 35 397h American 5 Dec 66 U.S. National Re-
connaissance Office
Photo Surveillance
540) OV 1-9 398h American 11 Dec 66 U.S. Air Force Science & Technology
(Radiation bio-hazard experiments)
541) OV 1-10 399h American 11 Dec 66 U.S. Air Force Science & Technology
(Radiations data)
542) Titan Samos 3 / KH-8 3
GAMBIT
400h American 14 Dec 66 U.S. National Re-
connaissance Office
Photo Surveillance
543) Kosmos 136 / Zenit-2 47 143rd Soviet 19 Dec 66 Soviet Union
Defense Ministry
Photo Surveillance
(Also carried science packag)
544) Ferret 10 401sth American 29 Dec 66 U.S. National Re-
connaissance Office
Electronic Intelligence
1 9 6 7 (117 military satellites in 172 missions = %)
545) Discoverer 109 / KH-4A 402nd American 14 Jan 67 U.S. National Re-
connaissance Office
Photo Surveillance
546) IDSCS 16 403rdth American 18 Jan 67 U.S. Department of Defense Communications
547) IDSCS 17 404th American 18 Jan 67 U.S. Department of Defense Communications
548) IDSCS 18 405th American 18 Jan 67 U.S. Department of Defense Communications
549) IDSCS 19 406th American 18 Jan 67 U.S. Department of Defense Communications
550) IDSCS 20 407th American 18 Jan 67 U.S. Department of Defense Communications
551) IDSCS 21 408th American 18 Jan 67 U.S. Department of Defense Communications
552) IDSCS 22 409th American 18 Jan 67 U.S. Department of Defense Communications
553) IDSCS 23 410th American 18 Jan 67 U.S. Department of Defense Communications
554) Kosmos 138 / Zenit-2 43 144th Soviet 19 Jan 67 Soviet Union
Defense Ministry
Photo Surveillance
555) Kosmos 139 / OGCh (FOBS #3) 145th Soviet 25 Jan 67 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
556) OV 3-5 411th American 31 Jan 67 U.S. Department of Defense Science & Technology
557) Improve Samos 36 / KH-7 36 412th American 2 Feb 67 U.S. National Re-
connaissance Office
Photo Surveillance
558) P-35-17 / DAPP 2418 413th American 8 Feb 67 U.S. Department of Defense Meteorology
559) Kosmos 141 / Zenit-4 146th Soviet 8 Feb 67 Soviet Union
Defense Ministry
Photo Surveillance
560) Kosmos 142 / DS-U2-I 2 147th Soviet 14 Feb 67 Soviet Union
Defense Ministry
Science & Technology
(Ionosphere on passing VLF radio waves studies)
561) Discoverer 110 / KH-4A 414th American 22 Feb 67 U.S. National Re-
connaissance Office
Photo Surveillance
562) Titan Samos 4 / KH-8 4 GAMBIT 415th American 24 Feb 67 U.S. National Re-
connaissance Office
Photo Surveillance
563) Kosmos 143 / Zenit-2 45 148th Soviet 27 Feb 67 Soviet Union
Defense Ministry
Photo Surveillance
564) Kosmos 145 / DS-U2-M 2 149th Soviet 3 Mar 67 Soviet Union
Defense Ministry
Science & Technology
(Development test of atomic clock)
565) Kosmos 147 / Zenit-2 44 150th Soviet 13 Mar 67 Soviet Union
Defense Ministry
Photo Surveillance
566) Kosmos 148 / DS-P1-I 2 151st Soviet 16 Mar 67 Soviet Union
Defense Ministry
Science & Technology (Launch 
vehicle test + technology R&D)
567) Kosmos 149 / DS-MO 1 152nd Soviet 21 Mar 67 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
568) OGch 153rd Soviet 22 Mar 67 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
569) Kosmos 150 / Zenit-4 154th Soviet 22 Mar 67 Soviet Union
Defense Ministry
Photo Surveillance
570) Kosmos 151 / Strela-2 155th Soviet 24 Mar 67 Soviet Union
Defense Ministry
Communications (Store/dump 
comsat, possible test flight)
571) Kosmos 152 / DS-P1-Yu 7 156th Soviet 25 Mar 67 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
572) Discoverer 111 / KH-4A 416th American 30 Mar 67 U.S. National Re-
connaissance Office
Photo Surveillance
573) Kosmos 153 / Zenit-2 48 157th Soviet 4 Apr 67 Soviet Union
Defense Ministry
Photo Surveillance
574) Kosmos 155 / Zenit-4 158th Soviet 12 Apr 67 Soviet Union
Defense Ministry
Photo Surveillance
575) Transit 15 / NNS O-12 417th American 14 Apr 67 U.S. Navy Navigation
576) Titan Samos 5 / KH-8 5 GAMBIT 418th American 26 Apr 67 U.S. National Re-
connaissance Office
Photo Surveillance
577) Vela Hotel 7 / Vela 4A 419th American 28 Apr 67 U.S. Department of Defense Nuclear Tests Monitoring
578) Vela Hotel 8 / Vela 4B 420th American 28 Apr 67 U.S. Department of Defense Nuclear Tests Monitoring
579) ERS 18 / ORS 4 421st American 28 Apr 67 U.S. Air Force Science & Technology
(Radiation research)
580) ERS 20 / OV5-3 422nd American 28 Apr 67 U.S. Air Force Science & Technology
(Radiation research)
581) ERS 27 / OV5-1 423rd American 28 Apr 67 U.S. Air Force Science & Technology
(Materials research)
582) Discoverer 112 / KH-4A 424th American 9 May 67 U.S. National Re-
connaissance Office
Photo Surveillance
883) Hitchhiker 14 425th American 9 May 67 U.S. National Re-
connaissance Office
Electronic Intelligence
884) Kosmos 157 / Zenit-2 49 159th Soviet 12 May 67 Soviet Union
Defense Ministry
Photo Surveillance
585) Kosmos 158 / Tsiklon GVM 160th Soviet 15 May 6 Soviet Union
Defense Ministry
Science & Technology
(Tsiklon mass model)
586) Kosmos 160 / OGCh (FOBS #4) 161st Soviet 17 May 67 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
587) Transit 16 / NNS O-13 426th American 18 May 67 U.S. Navy Navigation
588) Kosmos 161 / Zenit-4 162nd Soviet 22 May 67 Soviet Union
Defense Ministry
Photo Surveillance
589) Improve Samos 37 / KH-7 37 427th American 22 May 67 U.S. National Re-
connaissance Office
Photo Surveillance
590) LOGACS 428th American 22 May 67 U.S. Air Force Science & Technology
(Acceleration measurments)
591) Calsphere IV 429th American 31 May 67 U.S. NRL Radar Calibration
592) Surcal 160 430th American 31 May 67 U.S. Air Force Radar Calibration
593) GGSE 4 431st American 31 May 67 U.S. NRL Science & Technology
(Gravity-gradient stabilization test)
594) GGSE 5 432nd American 31 May 67 U.S. NRL Science & Technology
(Gravity-gradient stabilization test)
595) Timation 1 433rd American 31 May 67 U.S. Department of Defense Navigation R&D
596) Surcal 159 / Calsphere III 434th American 31 May 67 U.S. NRL Radar Calibration
597) Surcal (153) 435th American 31 May 67 U.S. NRL Radar Calibration
598) Surcal 150B 436th American 31 May 67 U.S. NRL Radar Calibration
599) Kosmos 162 / Zenit-4 163rd Soviet 1 Jun 67 Photo Surveillance
600) Improve Samos 38 / KH-7 38 437th American 4 Jun 67 U.S. National Re-
connaissance Office
Photo Surveillance
601) Kosmos 164 / Zenit-2 50 164th Soviet 8 Jun 67 Soviet Union
Defense Ministry
Photo Surveillance
602) Kosmos 165 / DS-P1-Yu 11 165th Soviet 12 Jun 67 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
603) Discoverer 113 / KH-4A 438th American 16 Jun 67 U.S. National Re-
connaissance Office
Photo Surveillance
604) Hitchhiker 15 439th American 16 Jun 67 U.S. National Re-
connaissance Office
Electronic Intelligence
605) Kosmos / Zenit-4 166th Soviet 20 Jun 67 Soviet Union
Defense Ministry
Photo Surveillance
606) Titan Samos 6 / KH-8 6 440th American 20 Jun 67 U.S. National Re-
connaissance Office
Photo Surveillance
607) Kosmos / Tselina-O 167th Soviet 26 Jun 67 Soviet Union
Defense Ministry
Electronic Intelligence
(1st Soviet Elint attempt)
608) Secor 9 / EGRS 9 441st American 29 Jun 67 U.S. Army/ACE Science & Technology
(Geodesy: location survey)
609) Aurora 1 442nd American 29 Jun 67 U.S. Navy Science & Technology
(Investigated aurora borealis)
610) IDSCP 24 443rd American 1 Jul 67 U.S. Department of Defense Communications
611) IDSCP 25 444th American 1 Jul 67 U.S. Department of Defense Communications
612) IDSCP 26 445th American 1 Jul 67 U.S. Department of Defense Communications
613) IDSCP 27 446th American 1 Jul 67 U.S. Department of Defense Communications
614) LES 5 447th American 1 Jul 67 U.S. Lincoln Lab Communications
(Experimental)
615) DODGE 1 448th American 1 Jul 67 U.S. Navy/NASC  Science & Technology
(Gravity-gradient experiments)
616) Kosmos 168 / Zenit-2 52 168th Soviet 4 Jul 67 Soviet Union
Defense Ministry
Photo Surveillance
617) Kosmos 169 / OGCh (FOBS #5) 169th Soviet 17 Jul 67 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
618) Kosmos / Zenit-4 170th Soviet 21 Jul 67 Soviet Union
Defense Ministry
Photo Surveillance
619) Ferret 11 449th American 25 Jul 67 U.S. National Re-
connaissance Office
Electronic Intelligence
620) OV 1-11 / OV1-11S 450th American 27 Jul 67 U.S. Air Force/OAR Science & Technology
621) OV 1-86 / OV1-8S 451st American 27 Jul 67 U.S. Air Force/OAR Science & Technology
(Cosmic ray observations)
322) OV 1-12 / OV1-12S 452nd American 27 Jul 67 U.S. Air Force/OAR Science & Technology
(Solar flare observations)
623) Kosmos 170 / OGCh (FOBS #6) 171st Soviet 31 Jul 67 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
624) Discoverer 114 / KH-4A 453rd American 7 Aug 67 U.S. National Re-
connaissance Office
Photo Surveillance
625) Kosmos 171 / OGCh (FOBS #7) 172nd Soviet 8 Aug 67 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
626) Kosmos 172 / Zenit-4 173rd Soviet 9 Aug 67 Soviet Union
Defense Ministry
Photo Surveillance
627) Titan Samos 7 / KH-8 7 GAMBIT 454th American 16 Aug 67 U.S. National Re-
connaissance Office
Photo Surveillance
628) P-35-18 / DAPP 3419 455th American 23 Aug 67 U.S. Department of Defense Meteorology
629) Kosmos 173 / DS-P1-Yu  8 174th Soviet 24 Aug 67 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
630) Kosmos / Zenit-2 51 175th Soviet 1 Sep 6 Soviet Union
Defense Ministry
Photo Surveillance
631) Kosmos 175 / Zenit-4 176th Soviet 11 Sep 67 Soviet Union
Defense Ministry
Photo Surveillance
632) Kosmos 176 / DS-P1-Yu 10 177th Soviet 12 Sep 67 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
633) Discoverer 115 / KH-4A 456th American 15 Sep 67 U.S. National Re-
connaissance Office
Photo Surveillance
634) Kosmos 177 / Zenit-2 53 178th Soviet 16 Sep 67 Soviet Union
Defense Ministry
Photo Surveillance
635) Kosmos 178 / OGCh (FOBS #8) 179th Soviet 19 Sep 67 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
636) Titan Samos 8 / KH-8 8 GAMBIT 457th American 19 Sep 67 U.S. National Re-
connaissance Office
Photo Surveillance
637) Kosmos 179 / OGCh (FOBS #9) 180th Soviet 22 Sep 67 Soviet Union
Defense Ministry
Fractional Orbital 
Bombardment System
638) Transit 17 / NNS  O-14 458th American 25 Sep 67 U.S. Navy Navigation
639) Kosmos 180 / Zenit-2 54 181st Soviet 26 Sep 67 Soviet Union
Defense Ministry
Photo Surveillance
640) Kosmos /Tsiklon GVM 182nd Soviet 27 Sep 67 Soviet Union
Defense Ministry
Science & Technology
(Tsiklon mass model)
641) P-35-19 / DAPP 4417 459th American 11 Oct 67 U.S. Department of Defense Meteorology
642) Kosmos 181 / Zenit-2 55 183rd Soviet 11 Oct 67 Soviet Union
Defense Ministry
Photo Surveillance
643) Kosmos 182 / Zenit-4 184th Soviet 16 Oct 67 Soviet Union
Defense Ministry
Photo Surveillance
644) Kosmos 183 / OGCh (FOBS #10) 185th Soviet 16 Oct 67 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
645) Titan Samos 9 / KH-8 9 GAMBIT 460th American 25 Oct 67 U.S. National Re-
connaissance Office
Photo Surveillance
646) Kosmos 185 / I2-BM 186th Soviet 27 Oct 67 Soviet Union
Defense Ministry
Antisatellite R&D
(1st test of an interceptor ASAT)
647) Kosmos 187 / OGCh (FOBS #11) 187th Soviet 28 Oct 67 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
648) Kosmos 189 / Tselina-O GVM 188th Soviet 30 Oct 67 Soviet Union
Defense Ministry
Electronic Intelligence
(Possible Elint satellite test)
649) Discoverer 116 / KH-4A 461st American 2 Nov 67 U.S. National Re-
connaissance Office
Photo Surveillance
650) Hitchhiker 16C 462nd American 2 Nov 67 U.S. National Re-
connaissance Office
Electronic Intelligence
651) Kosmos 190 / Zenit-4 189th Soviet 3 Nov 67 Soviet Union
Defense Ministry
Photo Surveillance
652) Kosmos 191 / DS-P1-Yu 9 190th Soviet 21 Nov 67 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
653) Kosmos 192 / Tsiklon 191st Soviet 23 Nov 67 Soviet Union
Defense Ministry
Navigation
(1st Soviet navi- gation satellite)
654) Kosmos 193 / Zenit-2 58 192nd Soviet 25 Nov 67 Soviet Union
Defense Ministry
Photo Surveillance
655) Kosmos 194 /  Zenit-4 193rd Soviet 3 Dec 67 Soviet Union
Defense Ministry
Photo Surveillance
656) OV 3-6 / ATCOS 2 463rd American 5 Dec 67 U.S. Air Force Science & Technology
(Ionospheric studies)
657) Titan Samos 10 / KH-8 10 GAMBIT 464th American 5 Dec 67 U.S. National Re-
connaissance Office
Photo Surveillance
658) Discoverer 117 / KH-4B 465th American 9 Dec 67 U.S. National Re-
connaissance Office
Photo Surveillance
659) Kosmos 195 / Zenit-2 57 194th Soviet 16 Dec 67 Soviet Union
Defense Ministry
Photo Surveillance
660) Kosmos 197 / DS-U2-V 3 195th Soviet 26 Dec 67 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
661) Kosmos 198 / US-A 196th Soviet 27 Dec 67 Soviet Union
Defense Ministry
Ocean Surveillance
(Prototype RORSAT hardware)
1 9 6 8 (116 military satellites in 166 missions = %)
662) Kosmos 199 / Zenit-2 59 197th Soviet 16 Jan 68 Soviet Union
Defense Ministry
Photo Surveillance
663) Ferret 12 466th American 17 Jan 68 U.S. National Re-
connaissance Office
Electronic Intelligence
664) Titan Samos 11 / KH-8 11 GAMBIT 467th American 18 Jan 68 U.S. National Re-
connaissance Office
Photo Surveillance
665) Kosmos 200 / Tselina-O 198th Soviet 19 Jan 68 Soviet Union
Defense Ministry
Electronic Intelligence
666) Discoverer 118 / KH-4A 468th American 24 Jan 68 U.S. National Re-
connaissance Office
Photo Surveillance
667) Hitchhiker 17 469th American 24 Jan 68 U.S. National Re-
connaissance Office
Electronic Intelligence
(Radar monitoring)
668) Kosmos 201 / Zenit-4 199th Soviet 6 Feb 68 Soviet Union
Defense Ministry
Photo Surveillance
669) Kosmos 202 / DS-U2-V 4 200th Soviet 20 Feb 68 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
670) Kosmos 203 / Sfera 201st Soviet 20 Feb 68 Soviet Union
Defense Ministry
Science & Technology
(1st Sfera geodesy satellite)
671) Transit 18 / NNS O-18 470th American 2 Mar 68 U.S. Department of Defense Navigation
672) Kosmos 204 / Zenit-2 56 202nd Soviet 5 Mar 68 Soviet Union
Defense Ministry
Photo Surveillance
673) Kosmos 205 / DS-P1-I 3 203rd Soviet 5 Mar 68 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
674) Titan Samos 12 / KH-8 12 GAMBIT 471st American 13 Mar 68 U.S. National Re-
connaissance Office
Photo Surveillance
675) Discoverer 119 / KH-4A 472nd American 14 Mar 68 U.S. National Re-
connaissance Office
Photo Surveillance
676) Hitchhiker 18 473rd American 14 Mar 68 U.S. National Re-
connaissance Office
Electronic Intelligence
677) Kosmos 207 / Zenit-4 204th Soviet 16 Mar 68 Soviet Union
Defense Ministry
Photo Surveillance
678) Kosmos 208 / Zenit-2M 205th Soviet 21 Mar 68 Soviet Union
Defense Ministry
Photo Surveillance
679) Nauka [1] 206th Soviet 21 Mar 68 Soviet Union
Defense Ministry
Science & Technology (1st
Nauka ballast/sci & tech subsat)
680) Kosmos 209 / US-A 207th Soviet 22 Mar 68 Soviet Union
Defense Ministry
Ocean Surveillance
(1st oceanic Elint  satellite)
681) Kosmos 210 / Zenit-2 60 208th Soviet 3 Apr 68 Soviet Union
Defense Ministry
Photo Surveillance
682) OV 1-13 474th American 6 Apr 68 U.S. Air Force/OAR Science & Technology
(Radiation, engineering experiments)
683) OV 1-14 475th American 6 Apr 68 U.S. Air Force/OAR Science & Technology
(Radiation data)
684) Kosmos 211 / DS-P1-Yu 13 209th Soviet 9 Apr 68 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
685) Titan Samos 13 / KH-8 13 GAMBIT 476th American 17 Apr 68 U.S. National Re-
connaissance Office
Photo Surveillance
686) Kosmos 214 / Zenit-4 210th Soviet 18 Apr 68 Soviet Union
Defense Ministry
Photo Surveillance
687) Kosmos 216 / Zenit-2 62 211th Soviet 20 Apr 68 Soviet Union
Defense Ministry
Photo Surveillance
688) Kosmos 217 / I2M 212th Soviet 24 Apr 68 Soviet Union
Defense Ministry
Antisatellite Test
(ASAT target)
689) Kosmos 218 / OGCh (FOBS #12) 213th Soviet 25 Apr 68 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
690) Discoverer 120 / KH-4B 477th American 1 May 68 U.S. National Re-
connaissance Office
Photo Surveillance
691) Kosmos 220 / Tsiklon 214th Soviet 7 May 68 Soviet Union
Defense Ministry
Navigation
692) Secor 10 / EGRS 10 478th American 18 May 68 U.S. Air Force Science & Technology
693) Kosmos / OGCh 215th Soviet 21 May 68 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
(Probable suborbital test)
694) P-35-20 / DAPP 4B F-1 479th American 23 May 68 U.S. Department of Defense Meteorology
695) Kosmos 221 / DS-P1-Yu 14 216th Soviet 24 May 68 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
696) Kosmos / OGCh 217th Soviet 28 May 68 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
(Probable suborbital test)
697) Kosmos 222 / DS-P1-Yu 12 218th Soviet 30 May 68 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
698) Kosmos 223 / Zenit-2 63 219th Soviet 1 Jun 68 Soviet Union
Defense Ministry
Photo Surveillance
699) Kosmos 224 / Zenit-4 220th Soviet 4 Jun 68 Soviet Union
Defense Ministry
Photo Surveillance
(Also measured atmospheric composition)
700) Kosmos / Sfera 12L 221st Soviet 4 Jun 68 Soviet Union
Defense Ministry
Science & Technology
(Geodesy)
701) Titan Samos 14 / KH-8 14 GAMBIT 480th American 5 Jun 68 U.S. National Re-
connaissance Office
Photo Surveillance
702) IDSCP 27 481st American 13 Jun 68 U.S. Department of Defense Communications
703) IDSCP 28 482nd American 13 Jun 68 U.S. Department of Defense Communications
704) IDSCP 29 483rd American 13 Jun 68 U.S. Department of Defense Communications
705) IDSCP 30 484th American 13 Jun 68 U.S. Department of Defense Communications
706) IDSCP 31 485th American 13 Jun 68 U.S. Department of Defense Communications
707) IDSCP 32 486th American 13 Jun 68 U.S. Department of Defense Communications
708) IDSCP 33 487th American 13 Jun 68 U.S. Department of Defense Communications
709) IDSCP 34 488th American 13 Jun 68 U.S. Department of Defense Communications
710) Kosmos / Strela-2 222nd Soviet 15 Jun 68 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
711) Kosmos 227 / Zenit-4 223rd Soviet 18 Jun 68 Soviet Union
Defense Ministry
Photo Surveillance
712) Discoverer 121 / KH-4A 489th American 20 Jun 68 U.S. National Re-
connaissance Office
Photo Surveillance
713) Hitchhiker 15 490th American 20 Jun 68 U.S. National Re-
connaissance Office
Electronic Intelligence
714) Kosmos 228 / Zenit-2M 224th Soviet 21 Jun 68 Soviet Union
Defense Ministry
Photo Surveillance
715) Nauka [2] 225th Soviet 21 Jun 68 Soviet Union
Defense Ministry
Science & Technology
(Ballast/science & technology subsatellite)
716) Kosmos 229 / Zenit-4 226th Soviet 26 Jun 68 Soviet Union
Defense Ministry
Photo Surveillance
717) Kosmos 231 / Zenit-2 64 227th Soviet 10 Jul 68 Soviet Union
Defense Ministry
Photo Surveillance
718) OV 1-15 / SPADES  491st American 11 Jul 68 U.S. Air Force/OAR Science & Technology
(Atmospheric density and solar radiation studies)
719) OV 1-16 / LOADS / Cannon Ball I 492nd American 11 Jul 68 U.S. Air Force/OAR Science & Technology
(Ionospheric drag tests)
720) Kosmos 232 / Zenit-4 228th Soviet 16 Jul 68 Soviet Union
Defense Ministry
Photo Surveillance
721) Kosmos 233 / DS-P1-Yu 15 229th Soviet 18 Jul 68 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
722) Kosmos 234 / Zenit-4 230th Soviet 30 Jul 68 Soviet Union
Defense Ministry
Photo Surveillance
723) CANYON 1 493rd American 6 Aug 68 U.S. National Re-
connaissance Office
Electronic Intelligence
724) Titan Samos 15 / KH-8 15 GAMBIT 494th American 6 Aug 68 U.S. National Re-
connaissance Office
Photo Surveillance
725) Discoverer 122 / KH-4B 495th American 7 Aug 68 U.S. National Re-
connaissance Office
Photo Surveillance
726) Kosmos 235 / Zenit-2 61 231st Soviet 9 Aug 68 Soviet Union
Defense Ministry
Photo Surveillance
727) Secor 11 / EGRS 11 496th American 16 Aug 68 U.S. Air Force Science & Technology
728) Secor 12 / EGRS 12 497th American 16 Aug 68 U.S. Air Force Science & Technology
729) GSD 1 / Grid Sphere Drag 1 498th American 16 Aug 68 U.S. Air Force Radar Calibration
730) GSD 2 / Grid Sphere Drag 2 499th American 16 Aug 68 U.S. Air Force Radar Calibration
731) GSD 3 / Grid Sphere Drag 3 500th American 16 Aug 68 U.S. Air Force Radar Calibration
732) GSD 4 / Grid Sphere Drag 4 501st American 16 Aug 68 U.S. Air Force Radar Calibration
733) UVR 502nd American 16 Aug 68 U.S. Air Force Science & Technology
734) OV5-8 / ERS 19 503rd American 16 Aug 68 U.S. Air Force Science & Technology
735) Radcal 504th American 16 Aug 68 U.S. Air Force Science & Technology
736) LCS 3 505th American 16 Aug 68 U.S. Air Force Science & Technology
(Effects of ionosphere on radio signals)
737) Orbiscal 1 506th American 16 Aug 68 U.S. Air Force Radar Calibration
738) Lidos 507th American 16 Aug 68 U.S. Air Force Science & Technology
739) RM-18 508th American 16 Aug 68 U.S. Air Force Science & Technology
740) Kosmos 236 / Strela-2 232nd Soviet 27 Aug 68 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
741) Kosmos 237 / Zenit-4 233rd Soviet 27 Aug 68 Soviet Union
Defense Ministry
Photo Surveillance
742) Kosmos 239 / Zenit-4 234th Soviet 5 Sep 68 Soviet Union
Defense Ministry
Photo Surveillance
743) Titan Samos 16 / KH-8 16 GAMBIT 509th American 10 Sep 68 U.S. National Re-
connaissance Office
Photo Surveillance
744) Kosmos 240 / Zenit-2 66 235th Soviet 14 Sep 68  Soviet Union
Defense Ministry
Photo Surveillance
745) Kosmos 241 / Zenit-4 236th Soviet 16 Sep 68 Soviet Union
Defense Ministry
Photo Surveillance
746) Discoverer 123 / KH-4A 510th American 18 Sep 68 U.S. National Re-
connaissance Office
Photo Surveillance
747) Hitchhiker 20 511th American 18 Sep 68 U.S. National Re-
connaissance Office
Electronic Intelligence
(Radar monitoring)
748) Kosmos 242 / DS-P1-I 4 237th Soviet 20 Sep 68 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
749) Kosmos 243 / Zenit-2M 238th Soviet 23 Sep 68 Soviet Union
Defense Ministry
Photo Surveillance
750) Nauka [3] 239th Soviet 23 Sep 68 Soviet Union
Defense Ministry
Science & Technology
(Ballast/science & technology subsatellite)
751) OV 2-5 / DG7-2 512th American 26 Sep 68 U.S. Air Force Science & Technology
(Environmental research)
752) OV 5-2 / ERS 28 / ORS 3G 513th American 26 Sep 68 U.S. Air Force Science & Technology
(Particle radiation data)
753) OV 5-4 / ERS 21 / ORS 3D 514th American 26 Sep 68 U.S. Air Force Science & Technology
(Heat transfer in liquids in zero-g)
754) LES 6 515th American 26 Sep 68 U.S. Air Force Communications
(Experimental)
755) Kosmos 244 / OGCh (FOBS #13) 240th Soviet 2 Oct 68 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
756) Kosmos 245 / DS-P1-Yu 16 241st Soviet 3 Oct 68 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
757) Ferret 13 516th American 5 Oct 68 U.S. National Re-
connaissance Office
Electronic Intelligence
758) Kosmos 246 / Zenit-4 242nd Soviet 7 Oct 68 Soviet Union
Defense Ministry
Photo Surveillance
759) Kosmos 247 / Zenit-2 65 243rd Soviet 11 Oct 68 Soviet Union
Defense Ministry
Photo Surveillance
760) Kosmos 248 / I2M 244th Soviet 19 Oct 68 Soviet Union
Defense Ministry
Antisatellite Test
(Intercepted repeatedly by Kosmos 249)
761) Kosmos 249 / I2P 245th Soviet 20 Oct 68 Soviet Union
Defense Ministry
Antisatellite Test
(Intercepted repeatedly Kosmos 248)
762) P-35-21 / DAPP 6422 517th American 23 Oct 68 U.S. Department of Defense Meteorology
763) Kosmos 250 / Tselina-O 246th Soviet 30 Oct 68 Soviet Union
Defense Ministry
Electronic Intelligence
764) Kosmos 251 / Zenit-4M 247th Soviet 31 Oct 68 Soviet Union
Defense Ministry
Photo Surveillance
765) Kosmos 252 / I2P 248th Soviet 1 Nov 68 Soviet Union
Defense Ministry
Antisatellite Test
(Intercepted and destroyed Kosmos 248 target)
766) Discoverer 124 / KH-4B 518th American 6 Nov 68 U.S. National Re-
connaissance Office
Photo Surveillance
767) Titan Samos 17 / KH-8 17 GAMBIT 519th American 6 Nov 68 U.S. National Re-
connaissance Office
Photo Surveillance
768) Kosmos 253 / Zenit-2 67 249th Soviet 13 Nov 68 Soviet Union
Defense Ministry
Photo Surveillance
769) Kosmos 254 / Zenit-4 250th Soviet 21 Nov 68 Soviet Union
Defense Ministry
Photo Surveillance
770) Kosmos 255 / Zenit-2 68 251st Soviet 29 Nov 68 Soviet Union
Defense Ministry
Photo Surveillance
771) Kosmos 256 / Sfera 252nd Soviet 30 Nov 68 Soviet Union
Defense Ministry
Science & Technology
(Geodesy)
772) Kosmos 257 / DS-P1-Yu 17 253rd Soviet 3 Dec 68 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
773) Titan Samos 18 / KH-8 18 GAMBIT 520th American 4 Dec 68 U.S. National Re-
connaissance Office
Photo Surveillance
774) Kosmos 258 / Zenit-2 69 254th Soviet 10 Dec 68 Soviet Union
Defense Ministry
Photo Surveillance
775) Discoverer 125 / KH-4A 521st American 12 Dec 68 U.S. National Re-
connaissance Office
Photo Surveillance
776) Hitchhiker 21 522nd American 12 Dec 68 U.S. National Re-
connaissance Office
Electronic Intelligence
777) Kosmos 259 / DS-U2-I 3 255th Soviet 14 Dec 68 Soviet Union
Defense Ministry
Science & Technology
(Influence of the ionosphere on passing VLF radio waves)
1 9 6 9 (97 military satellites in 155 missions = %)
778) Kosmos 263 /  Zenit-2 70 256th Soviet 12 Jan 69 Soviet Union
Defense Ministry
Photo Surveillance
779) Titan Samos 19 / 
KH-8 19 GAMBIT
523rd American 22 Jan 69 U.S. National Re-
connaissance Office
Photo Surveillance
(Carried radio astronony and gamma ray experiments)
780) Kosmos 264 / 
Zenit-4M
257th Soviet 23 Jan 69 Soviet Union
Defense Ministry
Photo Surveillance
781) Kosmos / US-A 258th Soviet 25 Jan 69 Soviet Union
Defense Ministry
Ocean Surveillance
782) Discoverer 126 / KH-4B 524th American 5 Feb 69 U.S. National Re-
connaissance Office
Photo Surveillance
783) Hitchhiker 22 525th American 5 Feb 69 U.S. National Re-
connaissance Office
Electronic Intelligence
784) Kosmos 265 / DS-P1-Yu 21 259th Soviet 7 Feb 69 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
785) Taccomsat 1 526th American 9 Feb 69 U.S. Air Force Science & Technology
(Experimental comsat)
786) Kosmos 266 / Zenit-2 71 260th Soviet 25 Feb 69 Soviet Union
Defense Ministry
Photo Surveillance
787) Kosmos 267 / Zenit-4 261st Soviet 26 Feb 69 Soviet Union
Defense Ministry
Photo Surveillance
788) Titan Samos 20 /KH-8 20 GAMBIT 527th American 4 Mar 69 U.S. National Re-
connaissance Office
Photo Surveillance
789) Kosmos 268 / DS-P1-Yu 18 262nd Soviet 5 Mar 69 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
790) Kosmos 269 / Tselina-O 263rd Soviet 5 Mar 69 Soviet Union
Defense Ministry
Electronic Intelligence
791) Kosmos 270 / Zenit-4 264th Soviet 6 Mar 69 Soviet Union
Defense Ministry
Photo Surveillance
792) Kosmos 271 / Zenit-4 265th Soviet 15 Mar 69 Soviet Union
Defense Ministry
Photo Surveillance
793) Kosmos 272 / Sfera 266th Soviet 17 Mar 69 Soviet Union
Defense Ministry
Science & Technology
(Geodesy)
794) OV 1-17 528th American 18 Mar 69 U.S. Air Force/OAR Science & Technology
(Solar radiation experiments)
795) OV 1-18 529th American 18 Mar 69 U.S. Air Force/OAR Science & Technology
(Ionospheric, radiation, electric field data)
796) OV 1-19 530th American 18 Mar 69 U.S. Air Force/OAR Science & Technology
(Radiation experiments)
797) OV 1-17A 531st American 18 Mar 69 U.S. Air Force/OAR Science & Technology
(Radio beacon)
798) Discoverer 127 / KH-4A 532nd American 19 Mar 69 U.S. National Re-
connaissance Office
Photo Surveillance
799) Hitchhiker 23 533rd American 19 Mar 69 U.S. National Re-
connaissance Office
Electronic Intelligence
800) Kosmos 273 / Zenit-2 77 267th Soviet 22 Mar 69 Soviet Union
Defense Ministry
Photo Surveillance
801) Kosmos 274 / Zenit-4 268th Soviet 24 Mar 69 Soviet Union
Defense Ministry
Photo Surveillance
802) Kosmos 275 /  DS-P1-I 5 269th Soviet 28 Mar 69 Soviet Union
Defense Ministry
Science & Technology
(Possible solar flare monitoring)
803) Kosmos 276 /  Zenit-4 270th Soviet 4 Apr 69 Soviet Union
Defense Ministry
Photo Surveillance
804) Kosmos 277 /  DS-P1-Yu 20 271st Soviet 4 Apr 69 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
805) Kosmos 278 /  Zenit-2 78 272nd Soviet 9 Apr 69 Soviet Union
Defense Ministry
Photo Surveillance
806) CANYON 2 534th American 13 Apr 69 U.S. National Re-
connaissance Office
Electronic Intelligence
807) Secor 13 / EGRS 13 535th American 14 Apr 69 U.S. Air Force Science & Technology
808) Kosmos 279 / Zenit-4 273rd Soviet 15 Apr 69 Soviet Union
Defense Ministry
Photo Surveillance
809) Titan Samos 21 / KH-8 21 GAMBIT 538th American 15 Apr 69 U.S. National Re-
connaissance Office
Photo Surveillance
810) Kosmos 280 /  Zenit-4M 274th Soviet 23 Apr 69 Soviet Union
Defense Ministry
Photo Surveillance
811) Discoverer 128 /  KH-4A 537th American 2 May 69 U.S. National Re-
connaissance Office
Photo Surveillance
812) Hitchhiker 24 538th American 2 May 69 U.S. National Re-
connaissance Office
Photo Surveillance
(Also carried weather experiences)
813) Kosmos 281 /  Zenit-2 72 275th Soviet 13 May 69 Soviet Union
Defense Ministry
Photo Surveillance
814) Kosmos 282 / Zenit-4 276th Soviet 20 May 69 Soviet Union
Defense Ministry
Photo Surveillance
815) Vela Hotel 9 / Vela 5A 539th American 23 May 69 U.S. Department
of Defense
Nuclear Tests Detection
816) Vela Hotel 10 / Vela 5B 540th American 23 May 69 U.S. Department 
of Defense
Nuclear Tests Detection
817) OV 5-5 / ERS 29 541st American 23 May 69 U.S. Air Force Science & Technology
818) OV 5-6 / ERS 26 542nd American 23 May 69 U.S. Air Force Science & Technology
819) OV 5-9 / R68-3 543rdtAmerican 23 May 69 U.S. Air Force Science & Technology
(Low-frequency plasma wave detection)
820) Kosmos 283 /  DS-P1-Yu 19 277th Soviet 27 May 69 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
821) Kosmos 284 /  Zenit-4 278th Soviet 29 May 69 Soviet Union
Defense Ministry
Photo Surveillance
822) Kosmos 285 /  DS-P1-Yu 24 279th Soviet 3 Jun 69 Soviet Union
Defense Ministry
Science & Technology
(Possible solar flare monitoring)
823) Titan Samos 22 /  KH-8 22 GAMBIT 544th American 3 Jun 69 U.S. National Re-
connaissance Office
Photo Surveillance
824) Kosmos 286 / Zenit-4 280th Soviet 15 Jun 69 Soviet Union
Defense Ministry
Photo Surveillance
825) Kosmos 287 / Zenit-2 76 281st Soviet 24 Jun 69 Soviet Union
Defense Ministry
Photo Surveillance
826) Kosmos 288 / Zenit-4 282nd Soviet 27 Jun 69 Soviet Union
Defense Ministry
Photo Surveillance
827) Kosmos 289 / Zenit-4 283rd Soviet 10 Jul 69 Soviet Union
Defense Ministry
Photo Surveillance
828) Kosmos 290 / Zenit-2 75 284th Soviet 22 Jul 69 Soviet Union
Defense Ministry
Photo Surveillance
829) P-35-22 / DAPP 7421 545th American 23 Jul 69 U.S. Department
of Defense
Meteorology
830) Kosmos / DS-P1-Yu 23 285th Soviet 23 Jul 69 U.S. Department
of Defense
Science & Technology
(Technology R&D)
831) Discoverer 129 / KH-4B 546th American 24 Jul 69 U.S. National Re-
connaissance Office
Photo Surveillance
832) Ferret 14 547th American 31 Jul 69 U.S. National Re-
connaissance Office
Electronic Intelligence
833) Kosmos 291 /  IS-M GVM 286th Soviet 6 Aug 69 Soviet Union
Defense Ministry
Science & Technology
(Launch vehicle test, ASAT target mass model)
834) Kosmos 292 / Tsiklon 287th Soviet 13 Aug 69 Soviet Union
Defense Ministry
Navigation
835) Kosmos 293 / Zenit-2M 288th Soviet 16 Aug 69 Soviet Union
Defense Ministry
Photo Surveillance
836) Kosmos 294 / Zenit-4 289th Soviet 19 Aug 69 Soviet Union
Defense Ministry
Photo Surveillance
837) Kosmos 295 / DS-P1-Yu 29 290th Soviet 22 Aug 69 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
838) Titan Samos 23 /  KH-8 23 GAMBIT 548th American 23 Aug 69 U.S. National Re-
connaissance Office
Photo Surveillance
839) Kosmos 296 / Zenit-4 291st Soviet 29 Aug 69 Soviet Union
Defense Ministry
Photo Surveillance
840) Kosmos 297 / Zenit-4 292nd Soviet 2 Sep 69 Soviet Union
Defense Ministry
Photo Surveillance
841) Kosmos 298 / OGCh 293rd Soviet 15 Sep 69 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
842) Kosmos 299 / Zenit-4 294th Soviet 18 Sep 69 Soviet Union
Defense Ministry
Photo Surveillance
843) Discoverer 130 / KH-4A 549th American 22 Sep 69 U.S. National Re-
connaissance Office
Photo Surveillance
844) Hitchhiker 25 550th American 22 Sep 69 U.S. National Re-
connaissance Office
Electronic Intelligence
845) Kosmos 301 /  Zenit-2 79 295th Soviet 24 Sep 69 Soviet Union
Defense Ministry
Photo Surveillance
846) Ferret 15 551st American 30 Sep 69 U.S. National Re-
connaissance Office
Electronic Intelligence
847) SURCAL 552nd American 30 Sep 69 U.S. NRL Radar Calibration
848) Timation 2 553rd American 30 Sep 69 U.S. NRL Navigation R&D
849) SURCAL 554th American 30 Sep 69 U.S. NRL Radar Calibration
850) SURCAL 555th American 30 Sep 69 U.S. NRL Radar Calibration
851) SURCAL 556th American 30 Sep 69 U.S. NRL Radar Calibration
852) SURCAL 557th American 30 Sep 69 U.S. NRL Radar Calibration
853) Tempsat 2 558th American 30 Sep 69 U.S. NRL Radar Calibration
854) SOICAL Cylinder 559th American 30 Sep 69 U.S. NRL Radar Calibration
855) SOICAL Cone 560th American 30 Sep 69 U.S. NRL Radar Calibration
856) Kosmos 302 / Zenit-4 296th Soviet 27 Oct 69 Soviet Union
Defense Ministry
Photo Surveillance
857) Kosmos 303 / DS-P1-Yu 28 297th Soviet 18 Oct 69 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
858) Kosmos 304 / Tsiklon 298th Soviet 21 Oct 69 Soviet Union
Defense Ministry
Navigation
859) Kosmos 306 / Zenit-2M 299th Soviet 24 Oct 69 Soviet Union
Defense Ministry
Photo Surveillance
860) Kosmos 307 / DS-P1-Yu 22 300th Soviet 24 Oct 69 Soviet Union
Defense Ministry
Science & Technology
(Possible radiation, astrophysical research)
861) Titan Samos 24 / 
KH-8 24 GAMBIT
561st American 24 Oct 69 U.S. National Re-
connaissance Office
Photo Surveillance
862) Kosmos 308 / DS-P1-I 7 301st Soviet 4 Nov 69 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
863) Kosmos 309 / Zenit-2 80 302nd Soviet 12 Nov 69 Soviet Union
Defense Ministry
Photo Surveillance
864) Nauka [4] 303rd Soviet 12 Nov 69 Soviet Union
Defense Ministry
Science & Technology
(Ballast/science & technoloy experiments)
865) Kosmos 310 / Zenit-4 304th Soviet 15 Nov 69 Soviet Union
Defense Ministry
Photo Surveillance
866) Skynet 1A 1st European 22 Nov 69 United Kingdom
Ministry of Defense
Communications
867) Kosmos 311 / DS-P1-Yu 27 305th Soviet 24 Nov 69 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
868) Kosmos 312 / Sfera 306th Soviet 24 Nov 69 Soviet Union
Defense Ministry
Science & Technology
(Geodesy)
869) Kosmos 313 /  Zenit-2M 307th Soviet 3 Dec 69 Soviet Union
Defense Ministry
Photo Surveillance
870) Discoverer 131 /  KH-4B  562nd American 4 Dec 69 U.S. National Re-
connaissance Offic
Photo Surveillance
871) Kosmos 314 / DS-P1-Yu 30 308th Soviet 11 Dec 69 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
872) Kosmos 315 / Tselina-O 309th Soviet 20 Dec 69 Soviet Union
Defense Ministry
Electronic Intelligence
873) Kosmos 316 / I2P / US-A 2 310th Soviet 23 Dec 69 Soviet Union
Defense Ministry
Science & Technology
(Launch vehicle test)
874) Kosmos 317 / Zenit-4MK 1 311th Soviet 23 Dec 69 Soviet Union
Defense Ministry
Photo Surveillance
1 9 7 0 (93 military satellites in 142 missions = %)
875) Kosmos 318 / Zenit-2M 312th Soviet 9 Jan 70 Soviet Union
Defense Ministry
Photo Surveillance
876) Titan Samos 25 / KH-8 25 GAMBIT 563rd American 14 Jan 70 U.S. National Re-
connaissance Office
Photo Surveillance
877) Kosmos 319 / DS-P1-Yu 25 313th Soviet 15 Jan 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
878) Kosmos 320 / DS-MO 3 314th Soviet 16 Jan 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
879) Kosmos 322 / Zenit-4 315th Soviet 21 Jan 70 Soviet Union
Defense Ministry
Photo Surveillance
880) Kosmos / DS-P1-I 6 316th Soviet 30 Jan 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
881) Kosmos 323 / Zenit-4 317th Soviet 10 Feb 70 Soviet Union
Defense Ministry
Photo Surveillance
882) P-35-23 / DAPP 1524 564th American 11 Feb 70 U.S. Department
of Defense
Meteorology
883) Kosmos 324 / DS-P1-Yu 32 318th Soviet 27 Feb 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
884) Kosmos 325 / Zenit-2 73 319th Soviet 4 Mar 70 Soviet Union
Defense Ministry
Photo Surveillance
885) Discoverer 132 / KH-4B 565th American 4 Mar 70 U.S. National Re-
connaissance Office
Photo Surveillance
886) Hitchhiker 26 566th American 4 Mar 70 U.S. National Re-
connaissance Office
Electronic Intelligence
(Radar monitoring; may or may not have existed?)
887) Kosmos 326 / Zenit-2 74 320th Soviet 13 Mar 70 Soviet Union
Defense Ministry
Photo Surveillance
888) Kosmos 327 / DS-P1-I 8 321st Soviet 18 Mar 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
889) NATO 1 / NATO 2A 2nd European 20 Mar 70 NATO Communications
(Military service)
890) Kosmos 328 / Zenit-4MK 322nd Soviet 27 Mar 70 Soviet Union
Defense Ministry
Photo Surveillance
891) Kosmos 329 / Zenit-2M 323rd Soviet 3 Apr 70 Soviet Union
Defense Ministry
Photo Surveillance
892) Kosmos 330 / Tselina-O 324th Soviet 7 Apr 70 Soviet Union
Defense Ministry
Electronic Intelligence
893) TOPO 1 567th American 8 Apr 70 U.S. Army Topographic Command Science & Technology
(Geodesy)
894) Kosmos 331 / Zenit-4 325th Soviet 8 Apr 70 Soviet Union
Defense Ministry
Photo Surveillance
895) Vela Hotel 11 / Vela 6A 568th American 8 Apr 70 U.S. Air Force Nuclear Test Detection
896) Vela Hotel 12 / Vela 6B 569th American 8 Apr 70 U.S. Air Force Nuclear Test Detection 
897) Kosmos 332 / Tsiklon 326th Soviet 11 Apr 70 Soviet Union
Defense Ministry
Navigation
898) Kosmos 333 / Zenit-4M 327th Soviet 15 Apr 70 Soviet Union
Defense Ministry
Photo Surveillance
899) Titan Samos 26 / KH-8 26 GAMBIT 570th American 15 Apr 70 U.S. National Re-
connaissance Office
Photo Surveillance
900) Kosmos 334 / DS-P1-Yu31 328th Soviet 23 Apr 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
901) Kosmos 335 / DS-U1-R 1 329th Soviet 24 Apr 70 Soviet Union
Defense Ministry
Science & Technology
(Studies spectral range of the UF)
902) Kosmos 336 / Strela-1M 330th Soviet 25 Apr 70 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
903) Kosmos 337 / Strela-1M 331st Soviet 25 Apr 70 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
904) Kosmos 338 / Strela-1M 332nd Soviet 25 Apr 70 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
905) Kosmos 339 / Strela-1M 333rd Soviet 25 Apr 70 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
906) Kosmos 340 / Strela-1M 334th Soviet 25 Apr 70 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
907) Kosmos 341 / Strela-1M 335th Soviet 25 Apr 70 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
908) Kosmos 342 / Strela-1M 336th Soviet 25 Apr 70 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
909) Kosmos 343 / Strela-1M 337th Soviet 25 Apr 70 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
910) Kosmos 344 / Zenit-2 81 338th Soviet 12 May 70 Soviet Union
Defense Ministry
Photo Surveillance
911) Kosmos 345 / Zenit-4 339th Soviet 20 May 70 Soviet Union
Defense Ministry
Photo Surveillance
912) Discoverer 133 / KH-4B 571st American 20 May 70 U.S. National Re-
connaissance Office
Photo Surveillance
913) Hitchhiker 27 572nd American 20 May 70 U.S. National Re-
connaissance Office
Electronic Intelligence
(Radar monitoring; may or may not have existed?
914) Kosmos / DS-P1-Yu 36 340th Soviet 22 May 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
915) Kosmos 346 / Zenit-4 341st Soviet 10 Jun 70 Soviet Union
Defense Ministry
Photo Surveillance
916) Kosmos 347 / DS-P1-Yu 35 342nd Soviet 12 Jun 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
917) Kosmos 349 / Zenit-4 343rd Soviet 17 Jun 70 Soviet Union
Defense Ministry
Photo Surveillance
918) RHYOLITE 1 / BMEWS 3 573rd American 19 Jun 70 U.S. National Re-
connaissance Office
Electronic Intelligence
919) Titan Samos 27 / KH-8 27 GAMBIT 574th American 25 Jun 70 U.S. National Re-
connaissance Office
Photo Surveillance
920) Kosmos 350 / Zenit-2M 344th Soviet 26 Jun 70 Soviet Union
Defense Ministry
Photo Surveillance
921) Kosmos 351 / DS-P1-Yu 38 345th Soviet 27 Jun 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
922) Kosmos / Strela-2 346th Soviet 27 Jun 70 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
923) Kosmos 352 / Zenit-4 347th Soviet 7 Jul 70 Soviet Union
Defense Ministry
Photo Surveillance
924) Kosmos 353 / Zenit-2M 348th Soviet 9 Jul 70 Soviet Union
Defense Ministry
Photo Surveillance
925) Kosmos / Zenit-4 349th Soviet 21 Jul 70 Soviet Union
Defense Ministry
Photo Surveillance
926) Discoverer 134 / KH-4B 575th American 23 Jul 70 U.S. National Re-
connaissance Office
Photo Surveillance
927) Kosmos 354 / OGCh 350th Soviet 28 Jul 70 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
928) Kosmos 355 / Zenit-4 351st Soviet 7 Aug 70 Soviet Union
Defense Ministry
Photo Surveillance
929) Titan Samos 28 / KH-8 28 GAMBIT 576th American 18 Aug 70 U.S. National Re-
connaissance Office
Photo Surveillance
930) Skynet 1B 3rd European 19 Aug 70 United Kingdom
Ministry of Defense
Communications
(Military services)
931) Kosmos 357 / DS-P1-Yu 40 352ndth Soviet 19 Aug 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
932) Kosmos 358 / Tsiklon 353rd Soviet 20 Aug 70 Soviet Union
Defense Ministry
Navigation
(Identification uncertain; possibly Tsiklon placed in incorrect orbit)
933) Ferret 15 577th American 26 Aug 70 U.S. National Re-
connaissance Office
Electronic Intelligence
934) Transit 19 / NNS O-19 578th American 27 Aug 70 U.S. Navy Navigation
935) Kosmos 360 / Zenit-4M 354th Soviet 29 Aug 70 Soviet Union
Defense Ministry
Photo Surveillance
936) CANYON 3 579th American 1 Sep 70 U.S. National Re-
connaissance Office
Electronic Intelligence
937) P-35-24 / DAPP 2525 580th American 3 Sep 70 U.S. Department
of Defense
Meteorology
938) Kosmos 361 / Zenit-4M 355th Soviet 8 Sep 70 Soviet Union
Defense Ministry
Photo Surveillance
939) Kosmos 362 / DS-P1-I 9 356th Soviet 16 Sep 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
940) Kosmos 363  Zenit-2M 357th Soviet 17 Sep 70 Soviet Union
Defense Ministry
Photo Surveillance
941) Kosmos 364 / Zenit-4MK 358th Soviet 22 Sep 70 Soviet Union
Defense Ministry
Photo Surveillance
942) Kosmos 365 / OGCh 359th Soviet 25 Sep 70 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
943) Kosmos 366 / Zenit-2M 360th Soviet 1 Oct 70 Soviet Union
Defense Ministry
Photo Surveillance
944) Kosmos 367 / US-A 361st Soviet 3 Oct 70 Soviet Union
Defense Ministry
Ocean Surveillance
(Probably used chemical batteries)
945) Kosmos 368 / Zenit-2M (Bion) 362nd Soviet 8 Oct 70 Soviet Union
Defense Ministry
Photo Surveillance
(Bion precursor mission)
946) Kosmos 369 / DS-P1-Yu 42 363rd Soviet 8 Oct 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
947) Kosmos 370 / Zenit-4M 364th Soviet 9 Oct 70 Soviet Union
Defense Ministry
Photo Surveillance
948) Kosmos 371 / Tsiklon 365th Soviet 12 Oct 70 Soviet Union
Defense Ministry
Navigation
949) Kosmos 372 / Strela-2 366th Soviet 16 Oct 70 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
950) Kosmos 373 / IS-M 367th Soviet 20 Oct 70 Soviet Union
Defense Ministry
Antisatellite Test
(ASAT target
951) Kosmos 374 / I2P 368th Soviet 23 Oct 70 Soviet Union
Defense Ministry
Antisatellite Test
(Intercepted Kosmos 373)
952) Titan Samos 29/ KH-8 29 GAMBIT 581st American 23 Oct 70 U.S. National Re-
connaissance Office
Photo Surveillance
953) Kosmos 375 / I2P 369th Soviet 30 Oct 70 Soviet Union
Defense Ministry
Antisatellite Test
(Intercepted Kosmos 373)
954) Kosmos 376 / Zenit-4M 370th Soviet 30 Oct 70 Soviet Union
Defense Ministry
Photo Surveillance
955) IMEWS 1 / DSP F1 582nd American 6 Nov 70 U.S. Air Force Missile Early Warning
956) Kosmos 377 / Zenit-2M 371st Soviet 11 Nov 70 Soviet Union
Defense Ministry
Photo Surveillance
957) Discoverer 134 / KH-4B 583rd American 18 Nov 70 U.S. National Re-
connaissance Office
Photo Surveillance
958) Hitchhiker 28 584th American 18 Nov 70 U.S. National Re-
connaissance Office
Electronic Intelligence
959) Kosmos 380 / DS-P1-Yu 26 372nd Soviet 24 Nov 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
960) Kosmos 383 / Zenit-4MK 373rd Soviet 3 Dec 70 Soviet Union
Defense Ministry
Photo Surveillance
961) Kosmos 384 / Zenit-2M 374th Soviet 10 Dec 70 Soviet Union
Defense Ministry
Photo Surveillance
(Deployed science capsule)
962) Kosmos 385 / Tsiklon 375th Soviet 12 Dec 70 Soviet Union
Defense Ministry
Navigation
963) Kosmos 386 / Zenit-4M 376th Soviet 15 Dec 70 Soviet Union
Defense Ministry
Photo Surveillance
964) Kosmos 387 / Tselina-O 377th Soviet 16 Dec 70 Soviet Union
Defense Ministry
Electronic Intelligence
(Possible navigation satellite)
965) Kosmos 388 / DS-P1-Yu 43 378th Soviet 18 Dec 70 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
966) Kosmos 389 / Tselina-D 379th Soviet 18 Dec 70 Soviet Union
Defense Ministry
Electronic Intelligence
967) Kosmos / DS-P1-M 1 380th Soviet 22 Dec 70 Soviet Union
Defense Ministry
Antisatellite Test
(ASAT target)
1 9 7 1 (124 military satellites in 175 missions = %)
968) Kosmos 390 / Zenit-4M 381st Soviet 12 Jan 71 Soviet Union
Defense Ministry
Photo Surveillance
969) Kosmos 391 / DS-P1-I 11 382nd Soviet 14 Jan 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
970) Kosmos 392 / Zenit-2M 383rd Soviet 21 Jan 71 Soviet Union
Defense Ministry
Photo Surveillance
971) Titan Samos 30 / KH-8 30 GAMBIT 585th American 21 Jan 71 U.S. National Re-
connaissance Office
Photo Surveillance
972) Kosmos 393 / DS-P1-Yu 34 384th Soviet 26 Jan 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
973) NATO 2 4th European 3 Feb 71 NATA Communications
(Military services)
974) Kosmos 394 / DS-P1-M 2 385th Soviet 9 Feb 71 Soviet Union
Defense Ministry
Antisatellite Test
(ASAT target)
975) P-35-25 / DAPP 5A F-3 586th American 17 Feb 71 U.S Department
of Defense
Meteorology
976) Calsphere 3 587th American 17 Feb 71 U.S. Air Force Radar Calibration
977) Calsphere 4 588th American 17 Feb 71 U.S. Air Force Radar Calibration
978) Calsphere 5 589th American 17 Feb 71 U.S. Air Force Radar Calibration
979) Discoverer 135 / KH-4B 590th American 17 Feb 71 U.S Department
of Defense
Photo Surveillance
980) Kosmos 395 / Tselina-O 386th Soviet 17 Feb 71 Soviet Union
Defense Ministry
Electronic Intelligence
981) Kosmos 396 / Zenit-4M 387th Soviet 18 Feb 71 Soviet Union
Defense Ministry
Photo Surveillance
982) Kosmos 397 / I2P 388th Soviet 25 Feb 71 Soviet Union
Defense Ministry
Antisatellite Test
(Intercept Kosmos 394)
983) Kosmos 399 / Zenit-4M 389th Soviet 3 Mar 71 Soviet Union
Defense Ministry
Photo Surveillance
984) JQ 2 ("Chinasat 2") 1st Chinese 3 Mar 71 China Science & Technology
(Communications technology tests)
985) Kosmos / Zenit-2M 390th Soviet 5 Mar 71 Soviet Union
Defense Ministry
Photo Surveillance
986) Kosmos / DS-P1-Yu 39 391st Soviet 5 Mar 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
987) Kosmos 400 / DS-P1-M 3 392nd Soviet 19 Mar 71 Soviet Union
Defense Ministry
Antisatellite Test
(ASAT target)
988) SDS 1 / Jumpseat 1 591st American 21 Mar 71 U.S. National Re-
connaissance Office
Electronic Intelligence
989) Discoverer 136 / KH-4B 592nd American 24 Mar 71 U.S. National Re-
connaissance Office
Photo Surveillance
990) Kosmos 401 / Zenit-4M 393rd Soviet 27 Mar 71 Soviet Union
Defense Ministry
Photo Surveillance
991) Kosmos 402 / US-A 394th Soviet 1 Apr 71 Soviet Union
Defense Ministry
Ocean Surveillance
(Probably used chemical batteries)
992) Kosmos 403 / Zenit-2M 395th Soviet 2 Apr 71 Soviet Union
Defense Ministry
Photo Surveillance
993) Kosmos 404 / I2P 396th Soviet 4 Apr 71 Soviet Union
Defense Ministry
Antisatellite Test
(Interceptor test)
994) Kosmos 405 / Tselina-D 397th Soviet 7 Apr 71 Soviet Union
Defense Ministry
Electronic Intelligence
995) Kosmos 406 / Zenit-4M 398th Soviet 14 Apr 71 Soviet Union
Defense Ministry
Photo Surveillance
996) Titan Samos 31 / KH-8 31 GAMBIT 593rd American 22 Apr 71 U.S. National Re-
connaissance Office
Photo Surveillance
997) Kosmos 407 / Strela-2 399th Soviet 23 Apr 71 Soviet Union
Defense Ministry
Communications
(Store-dump comsat
998) Kosmos 408 / DS-P1-Yu 37 400th Soviet 24 Apr 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
999) Kosmos 409 / Sfera 401st Soviet 28 Apr 71 Soviet Union
Defense Ministry
Earth/Space Science
(Geodesy)
1000) IMEWS 2 / DSP 3 594th American 5 May 71 U.S. Air Force Missile Early Warning
1001) Kosmos 410 / Zenit-2M 402nd Soviet 6 May 71 Soviet Union
Defense Ministry
Photo Surveillance
1002) Nauka [5] 403rd Soviet 6 May 71 Soviet Union
Defense Ministry
Science & Technology
(Ballast + research)
1003) Kosmos 411 / Strela-1M 404th Soviet 7 May 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1004) Kosmos 412 / Strela-1M 405th Soviet 7 May 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1005) Kosmos 413 / Strela-1M 406th Soviet 7 May 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1006) Kosmos 414 / Strela-1M 407th Soviet 7 May 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1007) Kosmos 415 / Strela-1M 408th Soviet 7 May 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1008) Kosmos 416 / Strela-1M 409th Soviet 7 May 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1009) Kosmos 417 / Strela-1M 410th Soviet 7 May 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1010) Kosmos 418 / Strela-1M 411th Soviet 7 May 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1011) Kosmos 420 / Zenit-4M 412th Soviet 18 May 71 Soviet Union
Defense Ministry
Photo Surveillance
1012) Kosmos 421 / DS-P1-Yu 48 413th Soviet 19 May 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1013) Kosmos 422 / Tsiklon 414th Soviet 22 May 71 Soviet Union
Defense Ministry
Navigation
1014) Kosmos 423 / DS-P1-Yu 47 415th Soviet 27 May 71 Soviet Union
Defense Ministry
Science & Technology
(Technolog R&D)
1015) Kosmos 424 / Zenit-4M 416th Soviet 28 May 71 Soviet Union
Defense Ministry
Photo Surveillance
1016) Kosmos 425 / Tselina-O 417th Soviet 29 May 71 Soviet Union
Defense Ministry
Electronic Intelligence
1017) SESP 1 595th American 8 Jun 71 U.S. Air Force Science & Technology
1018) Kosmos 427 / Zenit-4MK 418th Soviet 11 Jun 71 Soviet Union
Defense Ministry
Photo Surveillance
1019) Big Bird 1 / KH-9 1 HEXAGON 596th American 15 Jun 71 U.S. National Re-
connaissance Office
Photo Surveillance
1020) Kosmos 428 / Zenit-2M 419th Soviet 24 Jun 71 Soviet Union
Defense Ministry
Photo Surveillance
1021) Nauka [6] 420th Soviet 24 Jun 71 Soviet Union
Defense Ministry
Science & Technology
(Electron and gamma ray studies)
1022) Kosmos / Zenit-4M 421st Soviet 25 Jun 71 Soviet Union
Defense Ministry
Photo Surveillance
1023) Ferret 16 597th American 16 jUL 71 U.S. Air Force Electronic Intelligence
1024) Kosmos 429 / Zenit-4M 422nd Soviet 20 Jul 71 Soviet Union
Defense Ministry
Photo Surveillance
1025) Kosmos / Tselina-O 423rd Soviet 22 Jul 71 Soviet Union
Defense Ministry
Electronic Intelligence
1026) Kosmos 430 / Zenit-4M 424th Soviet 23 Jul 71 Soviet Union
Defense Ministry
Photo Surveillance
1027) Kosmos 431 / Zenit-2M 425th Soviet 30 Jul 71 Soviet Union
Defense Ministry
Photo Surveillance
1028) Kosmos / DS-P1-Yu 33 426th Soviet 3 Aug 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1029) Kosmos 432 / Zenit-4M 427th Soviet 5 Aug 71 Soviet Union
Defense Ministry
Photo Surveillance
1030) OV 1-20 598th American 7 Aug 71 U.S. Air Force Science & Technology
(Magnetospheric studies)
1031) OV 1-21 599th American 7 Aug 71 U.S. Air Force Science & Technology
(Magnetospheric studies)
1032) Cannonball 2 / LOADS 2 600th American 7 Aug 71 U.S. Air Force Science & Technology
(Density data)
1033) Musketball 1 / DTDS 601st American 7 Aug 71 U.S. Air Force Science & Technology
(Automatic timing device test)
1034) LCS 4 602nd American 7 Aug 71 U.S. Air Force Radar Calibration
1035) AVL-802 Mylar Sphere 603rd American 7 Aug 71 U.S. Air Force Science & Technology
(Aerodynamic data for design of satellites)
1036) Gndsphere 1 / Grid Sphere 7-1 604th American 7 Aug 71 U.S. Air Force Science & Technology
(Aerodynamic data for design of satellites)
1037) Gndsphere 2 /  Grid Sphere 7-2 605th American 7 Aug 71 U.S. Air Force Science & Technology
(Aerodynamic data for design of satellites)
1038) RDT 701 / Rigid Sphere 2 606th American 7 Aug 71 U.S. Air Force Radar Calibration
1039) Kosmos 433 / OGCh 428th Soviet 8 Aug 71 Soviet Union
Defense Ministry
Fractional Orbital
Bombardment System
1040) Titan Samos 32 / KH-8 32 GAMBIT 607th American 12 Aug 71 U.S. National Re-
connaissance Office
Photo Surveillance
1041) Kosmos / Zenit-4M 429th Soviet 19 Aug 71 Soviet Union
Defense Ministry
Photo Surveillance
1042) Kosmos 435 / DS-P1-Yu 41 430th Soviet 27 Aug 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1043) Kosmos 436 / Tselina-O 431st Soviet 7 Sep 71 Soviet Union
Defense Ministry
Electronic Intelligence
1044) Kosmos 437 / Tselina-O 432nd Soviet 10 Sep 71 Soviet Union
Defense Ministry
Electronic Intelligence
1045) Discoverer 137 / KH-4B 608th American 10 Sep 71 U.S. National Re-
connaissance Office
Electronic Intelligence
1046) Hitchhiker 29 609th American 10 Sep 71 U.S. National Re-
connaissance Office
Electronic Intelligence
1047) Kosmos 438 / Zenit-4MK 433rd Soviet 14 Sep 71 Soviet Union
Defense Ministry
Electronic Intelligence
1048) Kosmos 439 / Zenit-2M 434th Soviet 21 Sep 71 Soviet Union
Defense Ministry
Electronic Intelligence
1049) Kosmos 440 / DS-P1-I 10 435th Soviet 24 Sep 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1050) Kosmos 441 / Zenit-4M 436th Soviet 28 Sep 71 Soviet Union
Defense Ministry
Photo Surveillance
1051) Kosmos 442 / Zenit-4M 437th Soviet 29 Sep 71 Soviet Union
Defense Ministry
Photo Surveillance
1052) Kosmos 443 / Zenit-2M 438th Soviet 7 Oct 71 Soviet Union
Defense Ministry
Photo Surveillance
1053) Nauka [7] 439th Soviet 7 Oct 71 Soviet Union
Defense Ministry
Science & Technology
(Ballast + research)
1054) Kosmos 444 / Strela-1M 440th Soviet 13 Oct 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1055) Kosmos 445 / Strela-1M 441st Soviet 13 Oct 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1056) Kosmos 446 / Strela-1M 442nd Soviet 13 Oct 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1057) Kosmos 447 / Strela-1M 443rd Soviet 13 Oct 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1058) Kosmos 448 / Strela-1M 444th Soviet 13 Oct 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1059) Kosmos 449 / Strela-1M 445th Soviet 13 Oct 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1060) Kosmos 450 / Strela-1M 446th Soviet 13 Oct 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1061) Kosmos 451 / Strela-1M 447th Soviet 13 Oct 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1062) DMSP 1 / DMSP- Block-5B F1  610th American 14 Oct 71 U.S. Department
of Defense
Meteorology
1063) Kosmos 452 / Zenit-4M 448th Soviet 14 Oct 71 Soviet Union
Defense Ministry
Photo Surveillance
1064) SESP-ASTEX 1 611st American 17 Oct 71 U.S. Air Force Science & Technology
1065) Kosmos 453 / DS-P1-Yu 44 449th Soviet 19 Oct 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1066) Titan Samos 33 / KH-8 33 GAMBIT 612nd American 23 Oct 71 U.S. National Re-
connaissance Office
Photo Surveillance
1067) Kosmos 454 / Zenit-4M 450th Soviet 2 Nov 71 Soviet Union
Defense Ministry
Photo Surveillance
1068) DSCS 2-1 / DSCS II A-1 613th American 3 Nov 71 U.S. Department
of Defense
Communications
(Military services)
1069) DSCS 2-2 / DSCS II A-2 614th American 3 Nov 71 U.S. Department
of Defense
Communications
(Military services)
1070) Kosmos 455 / DS-P1-Yu 54 451st Soviet 17 Nov 71 Soviet Union
Defense Ministry
Science & Technology
(Technolgy R&D)
1071) Kosmos 456 / Zenit-4M 452nd Soviet 19 Nov 71 Soviet Union
Defense Ministry
Photo Surveillance
1072) Kosmos 457 / Sfera 453rd Soviet 20 Nov 71 Soviet Union
Defense Ministry
Geodesy
1073) Kosmos / DS-P1-I? 454th Soviet 24 Nov 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1074) Kosmos 458 / DS-P1-Yu 53 455th Soviet 29 Nov 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1076) Kosmos 459 / DS-P1-M 5 456th Soviet 29 Nov 71 Soviet Union
Defense Ministry
Antisatellite Test
(ASAT target)
1076) Kosmos 460 / Tselina-O 457th Soviet 30 Nov 71 Soviet Union
Defense Ministry
Electronic Intelligence
1077) Kosmos / Zenit-2M 458th Soviet 3 Dec 71 Soviet Union
Defense Ministry
Photo Surveillance
1078) Nauka [8] 459th Soviet 3 Dec 71 Soviet Union
Defense Ministry
Science & Technology
(Ballast + research)
1079) Kosmos 462 / I2P 460th Soviet 3 Dec 71 Soviet Union
Defense Ministry
Antisatellite Test
(Intercept Kosmos 459)
1080) CANYON-4 615th American 4 Dec 71 U.S. National Re-
connaissance Office
Electronic Intelligence
1081) Kosmos 463 / Zenit-4M 461s Soviet 6 Dec 71 Soviet Union
Defense Ministry
Photo Surveillance
1082) Kosmos 464 / Zenit-4M 462nd Soviet 10 Dec 71 Soviet Union
Defense Ministry
Photo Surveillance
1083) NOSS / "White Cloud" 616th American 14 Dec 71 U.S. Navy Ocean Surveillance
1084) Subsatellite 617th American 14 Dec 71 U.S. Navy Ocean Surveillance
1085) Subsatellite 618th American 14 Dec 71 U.S. Navy Ocean Surveillance
1086) Subsatellite 619th American 14 Dec 71 U.S. Navy Ocean Surveillance
1087) Kosmos 465 / Tsiklon 463rd Soviet 15 Dec 71 Soviet Union
Defense Ministry
Navigation
1088) Kosmos 466 / Zenit-4M 464rd Soviet 16 Dec 71 Soviet Union
Defense Ministry
Photo Surveillance
1089) Kosmos 467 / DS-P1-Yu 45 465rd Soviet 17 Dec 71 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1090) Kosmos 468 / Strela-2 466th Soviet 17 Dec 71 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1091) Kosmos 469 / US-A 467th Soviet 25 Dec 71 Soviet Union
Defense Ministry
Ocean Surveillance
(Nuclear powered)
1092) Kosmos 470 / Zenit-4MT 468th Soviet 27 Dec 71 Soviet Union
Defense Ministry
Photo Surveillance
(Deployed science capsule)
1 9 7 2 (98 military satellites in 143 missions = %)
1093) Kosmos 471 / Zenit-4M 469th Soviet 12 Jan 72 Soviet Union
Defense Ministry
Photo Surveillance
1094) Big Bird 2 / KH-9 2 HEXAGON 620th American 20 Jan 72 U.S. National Re-
connaissance Office
Photo Surveillance
1095) Hitchhiker 30 621st American 20 Jan 72 U.S. National Re-
connaissance Office
Electronic Intelligence
1096) Kosmos 472 / DS-P1-Yu 52 470th Soviet 25 Jan 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1097) Kosmos 473 / Zenit-2M 471st Soviet 3 Feb 72 Soviet Union
Defense Ministry
Photo Surveillance
1098) Kosmos 474 / Zenit-4M 472nd Soviet 16 Feb 72 U.S. National Re-
connaissance Office
Photo Surveillance
1099) Jumpseat 2 622nd American 16 Feb 72 U.S. National Re-
connaissance Office
Electronic Intelligence
1100) Kosmos 475 / Tsiklon 473rd Soviet 25 Feb 72 Soviet Union
Defense Ministry
Navigation
1101) IMEWS 3 / DSP 4 653rd American 1 Mar 72 U.S. Air Forc Missile Early Warning
1102) Kosmos 476 / Tselina-D 474th Soviet 1 Mar 72 Soviet Union
Defense Ministry
Electronic Intelligence
1103) Kosmos 477 / Zenit-2M 475th Soviet 4 Mar 72 Soviet Union
Defense Ministry
Photo Surveillance
1104) Nauka [9] 476th Soviet 4 Mar 72 Soviet Union
Defense Ministry
Science & Technology
(Particle flux and radiation experiment)
1105) Kosmos 478 / Zenit-4M 477th Soviet 15 Mar 72 Soviet Union
Defense Ministry
Photo Surveillance
1106) Titan Samos 34 / KH-8 34 GAMBIT 624th American 17 Mar 72 U.S. National Re-
connaissance Office
Photo Surveillance
1107) Kosmos 479 / Tselina-O 478th Soviet 22 Mar 72 Soviet Union
Defense Ministry
Electronic Intelligence
1108) DMSP 2 / DMSP Block-5B F-2 625th American 24 Mar 72 U.S. National Re-
connaissance Office
Meteorology
1109) Kosmos 480 / Sfera 479th Soviet 25 Mar 72 Soviet Union
Defense Ministry
Earth/Space Science
(Geodesy)
1110) Kosmos 481 / DS-P1-Yu 46 480th Soviet 25 Mar 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1111) Kosmos 483 / Zenit-4M 481st Soviet 3 Apr 72 Soviet Union
Defense Ministry
Photo Surveillance
1112) Kosmos 484 / Zenit-2M 482nd Soviet 6 Apr 72 Soviet Union
Defense Ministry
Photo Surveillance
1113) Nauka [10] 483rd Soviet 6 Apr 72 Soviet Union
Defense Ministry
Science & Technology
(Cosmic ray experiment)
1114) Kosmos 485 / DS-P1-Yu 58 484th Soviet 11 Apr 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1115) Kosmos 486 / Zenit-4M 485th Soviet 14 Apr 72 Soviet Union
Defense Ministry
Photo Surveillance
1116) Discoverer 138 / KH-4B 626th American 19 Apr 72 U.S. National Re-
connaissance Office
Photo Surveillance
1117) Kosmos 487 / DS-P1-Yu 57 486th Soviet 21 Apr 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1118) Kosmos / DS-P1-Yu 51 487th Soviet 25 Apr 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1119) Kosmos 488 / Zenit-4MK 488th Soviet 5 May 72 Soviet Union
Defense Ministry
Photo Surveillance
1120) Kosmos 489 / Tsiklon 489th Soviet 6 May 72 Soviet Union
Defense Ministry
Navigation
1121) Kosmos 490 / Zenit-2M 490th Soviet 17 May 72 Soviet Union
Defense Ministry
Photo Surveillance
1122) Nauka [11] 491st Soviet 17 May 72 Soviet Union
Defense Ministry
Science & Technology
(Electron flux and cosmic ray experiment)
1123) Titan Samos 35 / KH-8 35 GAMBIT 627th American 20 May 72 U.S. National Re-
connaissance Office
Photo Surveillance
1124) Kosmos 491 / Zenit-4M 492nd Soviet 25 May 72 Soviet Union
Defense Ministry
Photo Surveillance
1125) Discoverer 139 / KH-4B 628th American 25 May 72 U.S. National Re-
connaissance Office
Photo Surveillance
1126) Kosmos 492 / Zenit-4M 493rd Soviet 9 Jun 7 Soviet Union
Defense Ministry
Photo Surveillance
1127) Kosmos 493 / Zenit-2M 494th Soviet 21 Jun 72 Soviet Union
Defense Ministry
Photo Surveillance
1128) Kosmos 494 / Strela-2 495th Soviet 23 Jun 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1129) Kosmos 495 / Zenit-4M 496th Soviet 23 Jun 72 Soviet Union
Defense Ministry
Photo Surveillance
1130) Kosmos 497 / DS-P1-I 12 497th Soviet 30 Jun 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
th Soviet) Kosmos 498 / DS-P1-Yu 56 498th Soviet 5 Jul 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1132) Kosmos 499 / Zenit-4M 499th Soviet 6 Jul 72 Soviet Union
Defense Ministry
Photo Surveillance
1133) Big Bird 3 / KH-9 3 HEXAGON 629th American 7 Jul 72 U.S. National Re-
connaissance Office
Photo Surveillance
1134) Hitchhiker 31 630th American 7 Jul 72 U.S. National Re-
connaissance Office
Electronic Intelligence
1135) Kosmos 500 / Tselina-O 500th Soviet 10 Jul 72 Soviet Union
Defense Ministry
Electronic Intelligence
(Possible navigation satellite)
1136) Kosmos 501 / DS-P1-Yu 50 501st Soviet 12 Jul 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D) 
1137) Kosmos 502 / Zenit-4MT (Orion) 502nd Soviet 19 Jul 72 Soviet Union
Defense Ministry
Photo Surveillance
(Carried science packag)
1138) Kosmos 503 / Zenit-4M 503rd Soviet 20 Jul 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat
1139) Kosmos 504 / Strela-1M 504th Soviet 20 Jul 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat
1140) Kosmos 505 / Strela-1M 505th Soviet 20 Jul 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat
1141) Kosmos 506 / Strela-1M 506th Soviet 20 Jul 72  Soviet Union
Defense Ministry
Communications
(Store/dump comsat
1142) Kosmos 507 / Strela-1M 507th Soviet 20 Jul 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat
1143) Kosmos 508 / Strela-1M 508th Soviet 20 Jul 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat
1144) Kosmos 509 / Strela-1M 509th Soviet 20 Jul 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat
1145) Kosmos 510 / Strela-1M 510th Soviet 20 Jul 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat
1146) Kosmos 511 / Strela-1M 511th Soviet 20 Jul 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat
1147) Kosmos 512 / Zenit-2M 512th Soviet 28 Jul 72 Soviet Union
Defense Ministry
Photo Surveillance
1148) Kosmos 513 / Zenit-4M 513th Soviet 2 Aug 72 Soviet Union
Defense Ministry
Photo Surveillance
1149) Kosmos 514 / Tsiklon GVM 514th Soviet 16 Aug 72 Soviet Union
Defense Ministry
Navigation
1150) Kosmos 515 / Zenit-4MK 515th Soviet 18 Aug 72 Soviet Union
Defense Ministry
Photo Surveillance
1151) Kosmos 516 / US-A 516th Soviet 21 Aug 72 Soviet Union
Defense Ministry
Ocean Surveillance
(Nuclear powered)
1152) Kosmos 517 / Zenit-2M 517th Soviet 30 Aug 72 Soviet Union
Defense Ministry
Photo Surveillance
1153) Titan Samos 36 / 
KH-8 36 GAMBIT
631st American 1 Sep 72 U.S. National Re-
connaissance Office
Photo Surveillance
1154) Kosmos / Zenit-4M 518th Soviet 2 Sep 72 Soviet Union
Defense Ministry
Photo Surveillance
1155) TIP / TRIAD 1 / Triad OI-1X 632nd American 2 Sep 72 U.S. Department
of Defense
Navigation
(Prototype of improved Transit)
1156) Kosmos 518 / Zenit-2M 519th Soviet 15 Sep 72 Soviet Union
Defense Ministry
Photo Surveillance
1157) Nauka [12] 520th Soviet 15 Sep 72 Soviet Union
Defense Ministry
Science & Technology
(Ballast + experiment)
1158) Kosmos 519 / Zenit-4M 521st Soviet 15 Sep 72 Soviet Union
Defense Ministry
Photo Surveillance
1159) Kosmos 520 / Oko 522nd Soviet 19 Sep 72 Soviet Union
Defense Ministry
Missile Early Warning
1160) Kosmos 521 / DS-P1-M 4 523rd Soviet 29 Sep 72 Soviet Union
Defense Ministry
Antisatellie Test
(ASAT target)
1161) Radcat 633rd American 2 Oct 72 U.S. Department
of Defense
Radar Calibrattion
1162) Radcat (P72-1) 634th American 2 Oct 72 U.S. Department
of Defense
Radar Calibrattion
1163) Kosmos 522 / Zenit-4M 524th Soviet 4 Oct 72 Soviet Union
Defense Ministry
Photo Surveillance
1164) Kosmos 523 / DS-P1-Yu 63 525th Soviet 3 Oct 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1165) Big Bird 4 / KH-9 4
HEXAGON
635th American 10 Oct 72 U.S. National Re-
connaissance Office
Photo Surveillance
1166) Hitchhiker 32 636th American 10 Oct 72 U.S. National Re-
connaissance Office
Electronic Intelligence
1167) Kosmos 524 / DS-P1-Yu 49 526th Soviet 11 Oct 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1168) Kosmos / Strela-2 527th Soviet 17 Oct 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1169) Kosmos 525 / Zenit-2M 528th Soviet 18 Oct 72 Soviet Union
Defense Ministry
Photo Surveillance
1170) Nauka [13] 529th Soviet 18 Oct 72 Soviet Union
Defense Ministry
Science & Technology
(Equipment test)
1171) Kosmos 526 / DS-P1-Yu 61 530th Soviet 25 Oct 72 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1172) Kosmos 527 / Zenit-4MK 531st Soviet 31 Oct 72 Soviet Union
Defense Ministry
Photo Surveillance
1173) Kosmos 528 / Strela-1M 532nd Soviet 1 Nov 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1174) Kosmos 529 / Strela-1M 533rd Soviet 1 Nov 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1175) Kosmos 530 / Strela-1M 534th Soviet 1 Nov 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1176) Kosmos 531 / Strela-1M 535th Soviet 1 Nov 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1177) Kosmos 532 / Strela-1M 536th Soviet 1 Nov 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1178) Kosmos 533 / Strela-1M 537th Soviet 1 Nov 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1179) Kosmos 534 / Strela-1M 538th Soviet 1 Nov 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1180) Kosmos 535 / Strela-1M 539th Soviet 1 Nov 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1181) Kosmos 536 / Tselina-O 540th Soviet 9 Nov 72 Soviet Union
Defense Ministry
Electronic Intelligence
(Possible navigation satellite)
1182) DMSP 3 / DMSP  Block-5B F3 637th American 9 Nov 72 U.S. Department
of Defense
Meteorology
1183) Kosmos 537 / Zenit-2M 541st Soviet 25 Nov 72 Soviet Union
Defense Ministry
Photo Surveillance
1184) Kosmos 538 / Zenit-4M 542nd Soviet 14 Dec 72 Soviet Union
Defense Ministry
Photo Surveillance
1185) CANYON 5 638th American 20 Dec 72 U.S. National Re-
connaissance Office
Electronic Intelligence
1186) Kosmos 539 / Sfera 543rd Soviet 21 Dec 72 Soviet Union
Defense Ministry
Earth/Space Science
(Geodesy)
1187) Titan Samos 37 / 
KH-8 37 GAMBIT
639th American 21 Dec 72 U.S. National Re-
connaissance Office
Photo Surveillance
1188) Kosmos 540 / Strela-2 544th Soviet 25 Dec 72 Soviet Union
Defense Ministry
Communications
(Store/dump comsat
1189) Kosmos 541 / Zenit-4MT (Orion) 545th Soviet 27 Dec 72 Soviet Union
Defense Ministry
Photo Surveillance
(Topography)
1190) Kosmos 542 / Tselina-D 546th Soviet 28 Dec 72 Soviet Union
Defense Ministry
Electronic Intelligence
1 9 7 3 (105 military satellites in 146 missions = %)
1191) Kosmos 543 / Zenit-4M 547th Soviet 11 Jan 73 Soviet Union
Defense Ministry
Photo Surveillance
1192) Kosmos 544 / Tselina-O 548th Soviet 20 Jan 73 Soviet Union
Defense Ministry
Electronic Intelligence
1193) Kosmos 545 / DS-P1-Yu 62 549th Soviet 24 Jan 73 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1194) Kosmos 546 / Tsiklon GVM 550th Soviet 26 Jan 73 Soviet Union
Defense Ministry
Navigation
(Tsiklon Mass Model)
1195) Kosmos 547 / Zenit-2M 551stth Soviet 1 Feb 73 Soviet Union
Defense Ministry
Photo Surveillance
1196) Kosmos 548 / Zenit-4M 552ndth Soviet 8 Feb 73 Soviet Union
Defense Ministry
Photo Surveillance
1197) Kosmos 549 / Tselina-O 553rd Soviet 28 Feb 73 Soviet Union
Defense Ministry
Electronic Intelligence
1198) Kosmos 550 / Zenit-4MK 554th Soviet 1 Mar 73 Soviet Union
Defense Ministry
Photo Surveillance
1199) Kosmos 551 / Zenit-4M 555th Soviet 6 Mar 73 Soviet Union
Defense Ministry
Photo Surveillance
1100) Ryolite RH-1 640th American 6 Mar 73 U.S. National Re-
connaissance Office
Electronic Intelligence
1201) Big Bird 5 / KH-9 5 HEXAGON 641st American 9 Mar 73 U.S. National Re-
connaissance Office
Photo Surveillance
1202) Kosmos 552 / Zenit-2M 556th Soviet 22 Mar 73 Soviet Union
Defense Ministry
Photo Surveillance
1203) Nauka [14] 557th Soviet 22 Mar 73 Soviet Union
Defense Ministry
Science & Technology
(Equipment test)
1204) Salyut 2 558th Soviet 3 Apr 73 Soviet Union
Defense Ministry
Space Station
(1st military)
1205) Kosmos 553 / DS-P1-Yu 55 559th Soviet 12 Apr 73 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1206) Kosmos 554 / Zenit-4MK 560th Soviet 19 Apr 73 Soviet Union
Defense Ministry
Photo Surveillance
1207) Kosmos / US-A 561st Soviet 25 Apr 73 Soviet Union
Defense Ministry
Ocean Surveillance
1208) Kosmos 555 / Zenit-2M 562nd Soviet 25 Apr 73 Soviet Union
Defense Ministry
Photo Surveillance
1209) Nauka [15] 563rd Soviet 25 Apr 73 Soviet Union
Defense Ministry
Science & Technology
1210) Kosmos 556 / Zenit-4MK 564th Soviet 5 May 73 Soviet Union
Defense Ministry
Photo Surveillance
1211) Titan Samos 38 / KH-8 38 GAMBIT 642nd American 16 May 73 U.S. National Re-
connaissance Office
Photo Surveillance
1212) Kosmos 558 / DS-P1-Yu 65 565th Soviet 17 May 73 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1213) Kosmos 559 / Zenit-4MK 566th Soviet 18 May 73 Soviet Union
Defense Ministry
Photo Surveillance
1214) Kosmos 560 / Zenit-4M 567th Soviet 23 May 73 Soviet Union
Defense Ministry
Photo Surveillance
1215) Kosmos / Tsiklon 568th Soviet 25 May 73 Soviet Union
Defense Ministry
Navigation
1216) Kosmos 561 / Zenit-2M 569th Soviet 25 May 73 Soviet Union
Defense Ministry
Photo Surveillance
1217) Nauka [16] 570th Soviet 25 May 73 Soviet Union
Defense Ministry
Science & Technology
(Gamma ray telescope experiment)
1218) Kosmos 562 / DS-P1-Yu 66 571st Soviet 5 Jun 73 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1219) Kosmos 563 / Zenit-4M 572nd Soviet 6 Jun 73 Soviet Union
Defense Ministry
Photo Surveillance
1220) Kosmos 564 / Strela-1M 573th Soviet 8 Jun 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1221) Kosmos 565 / Strela-1M 574th Soviet 8 Jun 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1222) Kosmos 566 / Strela-1M 575th Soviet 8 Jun 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1223) Kosmos 567 / Strela-1M 576th Soviet 8 Jun 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1224) Kosmos 568 / Strela-1M 577th Soviet 8 Jun 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1225) Kosmos 569 / Strela-1M 578th Soviet 8 Jun 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1226) Kosmos 570 / Strela-1M 579th Soviet 8 Jun 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1227) Kosmos 571 / Strela-1M 580th Soviet 8 Jun 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1228) Kosmos 572 / Zenit-4M 581st Soviet 10 Jun 73 Soviet Union
Defense Ministry
Photo Surveillance
1229) IMEWS 4 / DSP 2 643rd American 12 Jun 73 U.S. Air Force Missile Early Warning
1230) Kosmos 574 / Tsiklon 582nd Soviet 20 Jun 73 Soviet Union
Defense Ministry
Navigation
1231) Kosmos 575 / Zenit-2M 583rd Soviet 21 Jun 73 Soviet Union
Defense Ministry
Photo Surveillance
1232) Kosmos / Tselina-O 584th Soviet 26 Jun 73 Soviet Union
Defense Ministry
Electronic Intelligence
1233) Titan Samos 39 / KH-8 39 GAMBIT 644th American 26 Jun 73 U.S. National Re-
connaissance Office
Photo Surveillance
1234) Kosmos 576 / Zenit-4MT (Orion) 585th Soviet 27 Jun 73 Soviet Union
Defense Ministry
Photo Surveillance
1235) Kosmos / Zenit-4M 586th Soviet 4 Jul 73 Soviet Union
Defense Ministry
Photo Surveillance
1236) Big Bird 6 / KH-9 6 HEXAGON 645th American 13 Jul 73 U.S. National Re-
connaissance Office
Photo Surveillance
1237) Kosmos 577 / Zenit-4M 587th Soviet 25 Jul 73 Soviet Union
Defense Ministry
Photo Surveillance
1238) Kosmos 578 / Zenit-2M 588th Soviet 1 Aug 73 Soviet Union
Defense Ministry
Photo Surveillance
1239) DMSP 4 / DMSP Block-5B F4 646th American 17 Aug 73 U.S. Department
of Defense
Meteorology
1240) Kosmos 579 / Zenit-4M 589th Soviet 21 Aug 73 Soviet Union
Defense Ministry
Photo Surveillance
1241) SDS 2 / Jumpseat 3 647th American 21 Aug 73 U.S. National Re-
connaissance Office
Electronic Intelligence
1242) Kosmos 580 / DS-P1-Yu 59 590th Soviet 22 Aug 73 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1243) Kosmos 581 / Zenit-4M 591st Soviet 24 Aug 73 Soviet Union
Defense Ministry
Photo Surveillance
1244) Kosmos 582 / Tselina-O 592nd Soviet 28 Aug 73 Soviet Union
Defense Ministry
Electronic Intelligence
1245) Kosmos 583 / Zenit-2M 593rd Soviet 30 Aug 73 Soviet Union
Defense Ministry
Photo Surveillance
1246) Kosmos 584 / Zenit-4M 594th Soviet 6 Sep 73 Soviet Union
Defense Ministry
Photo Surveillance
1247) Kosmos 585 / Sfera 595th Soviet 8 Sep 73 Soviet Union
Defense Ministry
Science & Technology
(Geodesy)
1248) Kosmos 586 / Tsiklon 596th Soviet 14 Sep 73 Soviet Union
Defense Ministry
Navigation
1249) JSSW 1 2nd Chinese 18 Sep 73 China Science & Technology
1250) Kosmos 587 / Zenit-4MK 597th Soviet 21 Sep 73 Soviet Union
Defense Ministry
Photo Surveillance
1251) Titan Samos 40 / KH-8 40 GAMBIT 648th American 27 Sep 73 U.S. National Re-
connaissance Office
Photo Surveillance
1252) Kosmos 588 / Strela-1M 598th Soviet 3 Oct 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1253) Kosmos 589 / Strela-1M 599th Soviet 3 Oct 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1254) Kosmos 590 / Strela-1M 600th Soviet 3 Oct 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1255) Kosmos 591 / Strela-1M 601st Soviet 3 Oct 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1256) Kosmos 592 / Strela-1M 602nd Soviet 3 Oct 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1257) Kosmos 593 / Strela-1M 603rd Soviet 3 Oct 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1258) Kosmos 594 / Strela-1M 604th Soviet 3 Oct 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1259) Kosmos 595 / Strela-1M 605th Soviet 3 Oct 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1260) Kosmos 596 / Zenit-2M 606th Soviet 3 Oct 73 Soviet Union
Defense Ministry
Photo Surveillance
1261) Kosmos 597 / Zenit-4MK 607th Soviet 6 Oct 73 Soviet Union
Defense Ministry
Photo Surveillance
1262) Kosmos 598 / Zenit-4M 608th Soviet 10 Oct 73 Soviet Union
Defense Ministry
Photo Surveillance
1263) Kosmos 599 / Zenit-2M 609th Soviet 15 Oct 73 Soviet Union
Defense Ministry
Photo Surveillance
1264) Kosmos 600 / Zenit-4M 610th Soviet 16 Oct 73 Soviet Union
Defense Ministry
Photo Surveillance
1265) Kosmos 601 / DS-P1-Yu 60 611th Soviet 16 Oct 73 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1266) Kosmos 602 / Zenit-4MK 612th Soviet 20 Oct 73 Soviet Union
Defense Ministry
Photo Surveillance
1267) Kosmos 603 / Zenit-4M 613th Soviet 27 Oct 73 Soviet Union
Defense Ministry
Photo Surveillance
1268) Kosmos 604 / Tselina-D 614th Soviet 29 Oct 73 Soviet Union
Defense Ministry
Electronic Intelligence
1269) Transit O-20 / NNS O-20 649th American 30 Oct 73 U.S. Navy Navigation
1270) Kosmos 606 / Oko 615th Soviet 2 Nov 73 Soviet Union
Defense Ministry
Missile Early Warning
1271) Kosmos 607 / Zenit-4MK 616th Soviet 10 Nov 73 Soviet Union
Defense Ministry
Photo Surveillance
1272) Big Bird 7 / KH-9 7 HEXAGON 650th American 10 Nov 73 U.S. National Re-
connaissance Office
Photo Surveillance
1273) Hitchhiker 33 651st American 10 Nov 73 U.S. National Re-
connaissance Office
Electronic Intelligence
1274) Hitchhiker 34 652nd American 10 Nov 73 U.S. National Re-
connaissance Office
Electronic Intelligence
1275) Kosmos 608 / DS-P1-Yu 69 617th Soviet 20 Nov 73 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1276) Kosmos 609 / Zenit-4M 618th Soviet 21 Nov 73 Soviet Union
Defense Ministry
Photo Surveillance
1277) Kosmos 610 / Tselina-O 619th Soviet 27 Nov 73 Soviet Union
Defense Ministry
Electronic Intelligence
1278) Kosmos 611 / DS-P1-Yu 64 620th Soviet 28 Nov 73 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1279) Kosmos 612 / Zenit-4MK 621st Soviet 28 Nov 73 Soviet Union
Defense Ministry
Photo Surveillance
1280) Kosmos 614 / Strela-2 622nd Soviet 4 Dec 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1281) Kosmos 615 / DS-P1-I 13 623rd Soviet 12 Dec 73 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1282) DSCS 2-3 653th American 13 Dec 73 U.S. Department
of Defense
Communications
(Military services)
1283) DSCS 2-4 654th American 13 Dec 73 U.S. Department
of Defense
Communications
(Military services)
1284) Kosmos 616 / Zenit-4MT (Orion) 624th Soviet 17 Dec 73 Soviet Union
Defense Ministry
Photo Surveillance
1285) Kosmos 617 / Strela-1M 625th Soviet 19 Dec 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1286) Kosmos 618 / Strela-1M 626th Soviet 19 Dec 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1287) Kosmos 619 / Strela-1M 627th Soviet 19 Dec 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1288) Kosmos 620 / Strela-1M 628th Soviet 19 Dec 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1289) Kosmos 621 / Strela-1M 629th Soviet 19 Dec 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1290) Kosmos 622 / Strela-1M 630th Soviet 19 Dec 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1291) Kosmos 623 / Strela-1M 631th Soviet 19 Dec 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1292) Kosmos 624 / Strela-1M 632nd Soviet 19 Dec 73 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1293) Kosmos 625 / Zenit-4MK 633rd Soviet 21 Dec 73 Soviet Union
Defense Ministry
Photo Surveillance
1294) Kosmos 626 / US-A 634th Soviet 27 Dec 73 Soviet Union
Defense Ministry
Ocean Surveillance
(Nuclear powered)
1295) Kosmos 627 / Tsiklo 635th Soviet 29 Dec 73 Soviet Union
Defense Ministry
Navigation
1 9 7 4 (93 military satellites in 136 missions = %)
1296) Kosmos 628 / Tsiklon 636th Soviet 17 Jan 74 Soviet Union
Defense Ministry
Navigation
1297) Skynet 2A 5th European 19 Jan 74 United Kingdom
Ministry of Defense
Communications
(Military services)
1298) Kosmos 629 / Zenit-2M 637th Soviet 24 Jan 74 Soviet Union
Defense Ministry
Photo Surveillance
1299) Kosmos 630 / Zenit-4MK 638th Soviet 30 Jan 74 Soviet Union
Defense Ministry
Photo Surveillance
1300) Kosmos 631 / Tselina-O 639th Soviet 6 Feb 74 Soviet Union
Defense Ministry
Electronic Intelligence
1301) Kosmos 632 / Zenit-4M 640th Soviet 12 Feb 74 Soviet Union
Defense Ministry
Electronic Intelligence
1302) Titan Samos 41 / KH-8 41 GAMBIT 455th American 13 Feb 74 U.S. National Re-
connaissance Office
Electronic Intelligence
1303) Kosmos 633 / DS-P1-Yu 71 641st Soviet 27 Feb 74 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1304) Kosmos 634 / DS-P1-Yu 67 642nd Soviet 5 Mar 74 Soviet Union
Defense Ministry
Science & Technology
(Technology R&D)
1305) Kosmos 635 / Zenit-2M 643rd Soviet 14 Mar 74 Soviet Union
Defense Ministry
Photo Surveillance
1306) Nauka [17] 644th Soviet 14 Mar 74 Soviet Union
Defense Ministry
Science & Technology
(Equipment test)
1307) Block 5B / DMSP Block-5B F5 656th American 18 Mar 74 U.S. Department
of Defense
Meteorology
1308) Kosmos 636 / Zenit-4MK 645th Soviet 20 Mar 74 Soviet Union
Defense Ministry
Photo Surveillance
1309) Kosmos 639 / Zenit-4MK 646th Soviet Soviet Union
Defense Ministry
Meteorology
1310) Big Bird 8 / KH-9 8 HEXAGON 657th American 10 Apr 74 U.S. National Re-
connaissance Office
Meteorology
1311) Hitchhiker 35 658th American 10 Apr 74 U.S. National Re-
connaissance Office
Electronic Intelligence 
1312) Subsatellite 659th American 10 Apr 74 U.S. Air Force Radar Calibration
1313) Kosmos 640 / Zenit-2M 647th Soviet 11 Apr 74 Soviet Union
Defense Ministry
Photo Surveillance
1314) Kosmos / Zenit-4MK 648th Soviet 12 Apr 74 Soviet Union
Defense Ministry
Photo Surveillance
1315) Kosmos 641 / Strela-1M 649th Soviet 23 Apr 74 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1316) Kosmos 642 / Strela-1M 650th Soviet 23 Apr 74 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1317) Kosmos 643 / Strela-1M 651st Soviet 23 Apr 74 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1318) Kosmos 644 / Strela-1M 652nd Soviet 23 Apr 74 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1319) Kosmos 645 / Strela-1M 653rd Soviet 23 Apr 74 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1320) Kosmos 646 / Strela-1M 654th Soviet 23 Apr 74 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1321) Kosmos 647 / Strela-1M 655th Soviet 23 Apr 74 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1322) Kosmos 648 / Strela-1M 656th Soviet 23 Apr 74 Soviet Union
Defense Ministry
Communications
(Store/dump comsat)
1323) Kosmos 649 / Zenit-4MK 657th Soviet 29 Apr 74 Soviet Union
Defense Ministry
Photo Surveillance
1324) Kosmos 650 / Sfera 658th Soviet 29 Apr 74 Soviet Union
Defense Ministry
Earth/Space Science
(Geodesy)
1325) Kosmos 651 / US-A 659th Soviet 15 May 74 Soviet Union
Defense Ministry
Ocean Surveillance
(Nuclear powered)
1326) Kosmos 652 / Zenit-4MK 660th Soviet 15 May 74 Soviet Union
Defense Ministry
Photo Surveillance
1327) Kosmos 653 / Zenit-2M 661st Soviet 15 May 74 Soviet Union
Defense Ministry
Photo Surveillance
1328) Kosmos 654 / US-A 662nd Soviet 17 May 74 Soviet Union
Defense Ministry
Ocean Surveillance
(Nuclear powered)
1329) Kosmos 655 / Tselina-O 663rd Soviet 21 May 74 Soviet Union
Defense Ministry
Electronic Intelligence
1330) Kosmos / Yantar'-2K1 664th Soviet 23 May 74 Soviet Union
Defense Ministry
Photo Surveillance
1331) Kosmos 657 / Zenit-4MK 665th Soviet 30 May 74 Soviet Union
Defense Ministry
Photo Surveillance
1332) Kosmos 658 / Zenit-2M 666th Soviet 6 Jun 74