The Strela-2 satellites were prototypes of the second component of the Strela store-dump communication system. It consisted of larger single satellites. December 28, 1965 at 12:30 UTC · Launch Successful Kosmos 65S3 — Soviet Space Program, to Low Earth Orbit 41/15, Baikonur Cosmodrome, Republic of Kazakhstan The world's 517th orbital launch attempt, and 124th of 1965. Data: Launch Library 2, The Space Devs.