Information Please Almanac 1949

 https://welib.org/md5/275e249d1131646d1b4b00822c94b270

Gambit 21

 1965-062A

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KH-7 21 was launched on 1965 Aug 3 by Atlas Agena D from Vandenberg. It carried a subsatellite launched to a 500 km orbit.

KH-7 21
Date	Time	Event	Orbit
1965 Aug 3	1906	Launch by Atlas Agena D	V
		T+2:18? BECO
		T+4:37? SECO
		T+4:54? VECO
		T+4:59? Atlas sep
		T+5:51? Agena MES
	1915	T+9:50? Agena MECO
		OCV sep	149 x 307 x 107.5
1965 Aug 3	1930?	Subsatellite launched
1965 Aug 7		Rev 64 last image
1965 Aug 7	2110??	SRV recovered?
1965 Aug 7	2150?	Reentered

Kosmos 214

  1968-032A

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Zenit-4 No. 45 was the second 81.4 degree polar mission and the first Zenit-4 to fly such a profile.

Kosmos-214
Date	Time	Event	Orbit
1968 Apr 18	1030:01	Launch by 11A57	PL
	1034	Blok-I burn
	1039	Blok-I sep	90.25 200 x 373 x 81.40 (RAE)
	0252		90.23 197 x 373 x 81.4
1968 Apr 25			90.12 196 x 363 x 81.4
1968 Apr 26	0923?	Deorbit
	0943?	Landed after 7.96d