The Second World War

 https://welib.org/md5/f7d722ac6ac4bee04570dd8fb6c47154

Seventeen: September 2001

 https://welib.org/md5/3c0296ffa909493ba4ac6704114eb0cf

To Rise from Earth: An Illustrated History of Space Flight

https://welib.org/md5/4934938181e6b4c081b06b2e50c3ef0d

Apollo 13: The NASA Mission Reports

 https://welib.org/md5/e95d5c16dff50b0a6e64111a8b9b90e9

This New Ocean

https://welib.org/md5/8623df0c4b0b70a189acdf4a40be818a

Crystal 1

  1976-125A

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The first KH-11, satellite 5501, was launched on 1976 Dec 19 by Titan 23D from Vandenberg into a 1001 LTDN SSO. The early versions had 2.4m mirrors; later versions may have had larger mirrors.

KENNEN 1
Date	Time	Event	Orbit
1976 Dec 19	1819	Launch by Titan 23D	V
		T+1:49? Stage 1 burn 2:27
		T+1:55 SRM burnout
		T+1:55 SRM sep
		T+4:16 Stage 1 MECO
		T+4:16 Stage 1 sep
		T+4:16 Stage 2 burn
		T+5:05? Fairing
	1826?	T+7:44? Stage 2 MECO
	1827?	T+8:00 Stage 2 sep
1976 Dec 22			92.4 247 x 553 x 97.0
1976 Dec 24			93.4 341 x 535 x 97.0
1977 Jan 20		First operational photos
1977 Mar 27			92.5 264 x 530 x 96.9
1977 Dec			91.6 258 x 450 x 96.9
1978 Dec			91.5 333 x 336 x 96.9
1979 Jan 10			333 x 366 x 96.9
1979 Jan 28		Deorbit after 770d