Zenit-4 film-return reconnaissance satellite. April 17, 1965 at 09:50 UTC · Launch Successful Voskhod — Soviet Space Program, to Low Earth Orbit 31/6, Baikonur Cosmodrome, Republic of Kazakhstan The world's 427th orbital launch attempt, and 34th of 1965. Data: Launch Library 2, The Space Devs. Image by RKK Energia via The Space Devs.