🚀 Thor DM-21 Agena-B · Discoverer 21 (MIDAS RM-2)
Saturday, February 18, 1961
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10:57 PM – 11:57 PM
Space Launch Complex 1E, Vandenberg SFB, CA, USA
February 18, 1961 at 22:57 UTC · Launch Successful Thor DM-21 Agena-B — United States Air Force Space Launch Complex 1E, Vandenberg SFB, CA, USA The world's 99th orbital launch attempt, and 6th of 1961. Data: Launch Library 2, The Space Devs. Image by USAF via The Space Devs.
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