Spaceflight: January 1975

 https://welib.org/md5/032aea642e73a71105ae13fc14cb1aef

Spaceflight: March 1975

 https://welib.org/md5/1dad8e7b6c33ff820fe4b2b75fd99327

Aviation Week: April 21,1975

 https://welib.org/md5/4036ba552856b61e07879c7a591226e6

Transit O-5

 1965-065F

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Transit's final use of the Thor Ablestar was for NNS O-5 (NNS 30050, Oscar 5) with SS-03 No. 020 as the upper stage.

NNS O-5
Date	Time	Event	Orbit
1965 Aug 13	2211:24	Launch by Thor Ablestar	V 75-1 Pad 1
	2213:53	Thor MECO (T+2:29)
	2213:56	AB 020 burn (T+2:32)
	2213:58	Thor sep (T+2:34)
	2218:46	AB 020 MECO
	2249?	AB 020 burn 2
	2249?	AB 020 MECO
	2251?	AB 020 sep	1113 x 1189 x 90.0 (VCR)
			108.2 1089x 1194 x 90.0 (RAE)