DASH 1 (9 May 63): 9 May 63,
DASH 2 (19 Jul 63): 19 Jul 63,

Debris: see Space Debris,

Delta (launcher): 19 Feb 63, 7 Mai 63,

Disarmament Talks: 10 Jan 57, 14 Jan 57, 25 Apr 57, 25 Jul 57, 7 Nov 57, 14 Nov 57,

Discorerer: 16 Oct 57, 11 Dec 57, ... 28 Feb 63, 28 Jul 63,

Discoverer 0 (21 Jun 59): ,	Discoverer 1 (28 Feb 59): ,
Discoverer 2 (13 Apr 59): ,	Discoverer 3 (3 Jun 59): ,
Discoverer 4 (25 Jun 59: ,	Discoverer 5 (13 Aug 59: ,
Discoverer 6 (19 Aug 59): ,	Discoverer 7 (7 Nov 59): ,
Discoverer 8 (20 Nov 59): ,	Discoverer 9 (4 Feb 60): ,
Discoverer 10 (19 Feb 60): ,	Discoverer 11 (15 Apr 60): ,
Discoverer 12 (29 Jun 60): ,	Discoverer 13 (10 Aug 60): ,
Discoverer 14 (18 Aug 60): ,	Discoverer 15 (13 Sep 60): ,
Discoverer 16 (26 Oct 60): ,	Discoverer 17 (12 Nov 60): ,
Discoverer 18 (7 Dec 60): 30 Jun 62,	Discoverer 19 (20 Dec 60): ,
Discoverer 20 (11 Feb 61): ,	Discoverer 21 (18 Feb 61): ,
Discoverer 22 (30 Mar 61): ,	Discoverer 23 (8 Apr 61): ,
Discoverer 24 (8 Jun 61): ,	Discoverer 25 (16 Jun 61): ,
Discoverer 26 (7 Jul 61): ,	Discoverer 27 (21 Jul 61): ,
Discoverer 28 (4 Aug 61): ,	Discoverer 29 (30 Aug 61): ,
Discoverer 30 (12 Sep 61): ,	Discoverer 31 (17 Sep 61): ,
Discoverer 32 (13 Oct 61): ,	Discoverer 33 (23 Oct 61): ,
Discoverer 34 (5 Nov 61): ,	Discoverer 35 (15 Nov 61): ,
Discoverer 36 (12 Dec 61): ,	Discoverer 37 (13 Jan 62): , 13 Jan 62,
Discoverer 38 (27 Feb 62): 27 Feb 62, 3 Mar 62,	Discoverer 39 (18 Apr 62): 17 Apr 62,
Discoverer 40 (29 Apr 62): 28 Apr 62,	Discoverer 41 (15 May 62): 15 May 62,
Discoverer 42 (30 May 62): 30 May 62,	Discoverer 43 (2 Jun 62): 1 Jun 62,
Discoverer 44 (23 Jun 62): 23 Jun 62,	Discoverer 45 (28 Jun 62): 27 Jun 62,
Discoverer 46 (21 Jul 62): 20 Jul 62,	Discoverer 47 (28 Jul 62): 28 Jul 62,
Discoverer 48 (2 Aug 62): 2 Aug 62,	Discoverer 49 (29 Aig 62): 28 Aug 62,
Discoverer 50 (1 Sep 62): 1 Sep 62,	Discoverer 51 (17 Sep 62): 17 Sep 62,
Discoverer 52 (29 Sep 62): 29 Sep 62,	Discoverer 53 (9 Oct 62): 9 Oct 62,
Discoverer 54 (5 Nov 62): 5 Nov 62,	Discoverer 55 (24 Nov 62): 24 Nov 62,
Discoverer 56 (4 Dec 62): 4 Dec 62,	Discoverer 57 (14 Dec 62): 14 Dec 62,
Discoverer 58 (7 Jan 63): 7 Jan 63,	Discoverer 59 (28 Feb 63): 28 Feb 63,
Discoverer 60 (1 Apr 63): 1 Apr 63,	Discoverer 61 (26 Apr 63): 26 Apr 63,
Discoverer 62 (12 Jun 63): 12 Jun 63,	Discoverer 63 (27 Jun 63): 27 Jun 63,
Discoverer 64 (19 Jul 63): 19 Jul 63,	Discoverer 65 (25 Aug 63): 25 Aug 63,

DMSP Meteorological Satelite Program: 6 Sep 62,
DAPP-1 / P-31-1 (23 MayY 62): 23 MayY 62,
DAPP-2 / P-31-2 (23 Aug 62): 23 Aug 62,
DAPP-3 / P-31-3 (19 Feb 63): 19 Feb 63,
DAPP-4 / P-31-4 (26 Apr 63):  26 Apr 63,

DOD (Department of Defense:

•	Inter-services rivalry: 6 Jun 57, 7 Jun 57, 8 Sep 57, 8 Nov 57, 9 Nov 57, 12 Nov 57, 18 Nov 57, 30 Nov 57, 11 Dec 57,
•	Plastinaut: 6 Oct 62,
•	Policy of Secrecy: see Satellites.
•	Satellites: 18 Aug 62,
	1962 Dipole Expreiment: 22 Jan 63, 28 Feb 63,
	“thermonuclear converter” test: 15 Feb 63,
•	Space Budgets: 31 Oct 62, 15 Jan 63,
•	Space Policy: 19 Feb 57, 28 Jan 62, 21 Feb 62, 21 Feb 63, 29 Jul 63,
•	Space Program: 16 Oct 57, 4 Nov 57, 21 Nov 57, 11 Dec 57, ... 19 Feb 62, 20 Aug 62, 9 Oct 62, 23 Jan 63, 30 Jan 63, 31 Jan 63, 2 Feb 62, 18 May 63, 21 May 63,
•	Space Station (interest in): 21 May 63,

Dominic High-Altitude Nuclear Tests: see Nuclear Tests,

Dryden, Hugh L. (NASA):
• Comments/citation: 27 Feb 62, 6 Mar 62, 16 Apr 62, 8 Nov 62, 20 Feb 63

Dubus, Kurt H. (NASA): 7 Mar 62,

Dyna Soar: see X-20.
 

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. © Claude Lafleur, 2008