Gambit-3 28

  1970-061A

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KH-8 28 was launched on 1970 Aug 18 by Titan 3B Agena D from Vandenberg. In addition to its close-look imaging mission, it also carried an accelerometer to study the density of the Earth's atmosphere. Perigee of this mission, at 151 km, was higher than for any other KH-8 flight bar the first two test flights. Mission 4328 remained in orbit for 16 days of a planned 18-day mission, returning imagery of the Middle East including the Aug 1970 Suez ceasefire.

KH-8 28
Date	Time	Event	Orbit
1970 Aug 18	1445	Launch by Titan 3B Agena D	V SLC4W
	1447	Titan stage 1 sep
	1450	Titan stage 2 sep
	1450	Agena burn
	1455?	Agena MECO
	2312		89.48 130 x 366 x 111.0
1970 Aug 19	0341		89.49 139 x 358 x 111.0
		Raise apo
1970 Aug 21	0459		89.64 149 x 363 x 110.9
1970 Aug 23	1215		89.53 148 x 354 x 111.0
		Raise apo
1970 Aug 24	1513		89.94 149 x 393 x 110.9
		Raise orbit
1970 Aug 25	0016		90.46 151 x 442 x 111.0
	1849?	SRV-1 recovery opp rev 116
	1856?	Entry
	1925?	SRV-1 recovered
1970 Aug 25	2251		90.00 149 x 399 x 111.0
1970 Aug 29	0017		89.60 147 x 361 x 111.0
		Raise apogee
1970 Aug 30	2235		89.97 150 x 395 x 111.0
1970 Sep 3	0430		89.77 150 x 376 x 111.0
1970 Sep 4	1500		88.48 137 x 260 x 111.0
1970 Sep 5
	1936?	SRV-2 recovery opp rev 277
	1943?	Entry
	2010?	SRV-2 recovered
	2108?	Deboost