Spaceflight: June 1975

 https://welib.org/md5/2846bf45e46799fbc2de19bfd0617db1

This new ocean : a history of Project Mercury

 https://welib.org/md5/bd32b679a30b8a0ce03776bd65cf7d9c

Spaceflight: October 1975

 https://welib.org/md5/63501dd07565f71f9c12ae27df5b6ff5

Kosmos 129

 1966-091A

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Zenit-2 No. 33 was flown in Oct 1966 and successfully flew the second Zenit-2 mission from Plesetsk.

Kosmos-129
Date	Time	Event	Orbit
1966 Oct 14	1213	Launch by Vostok 8A92	PL 41/1
	1217?	Blok-E burn
	1223?	Blok-E sep
			89.4 202 x 307 x 65 (TASS)
	1700		89.5 180 x 312 x 64.7 (RAE)
1966 Oct 21	0555?	Deorbit
	0614?	Landed

Gambit 33

 1966-090A

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KH-7 33 (GAMBIT 33) was launched on 1966 Oct 12 by Atlas Agena D from Vandenberg. The Agena aft rack carried an experimental SGLS (Space Ground Link System) transponder. Two debris elements were cataloged without orbital data.

KH-7 33
Date	Time	Event	Orbit
1966 Oct 12	1915	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
	1924	T+9:50? Agena MECO
1966 Oct 13			89.0 155 x 287 x 90.96 (RAE)
1966 Oct 18			88.6 154 x 212 x 91.0 (UN)
1966 Oct 20		Rev 126 last image
1966 Oct 20	2130?	SRV deorbit?
	2210?	SRV recovery
1966 Oct 21		Reentered after 8d