Zenit-2 film-return and ELINT reconnaissance satellite. December 11, 1961 at 09:39 UTC · Launch Failure Why: Premature second stage cutoff Vostok-K — Soviet Space Program, to Low Earth Orbit 1/5, Baikonur Cosmodrome, Republic of Kazakhstan The world's 139th orbital launch attempt, and 46th of 1961. Data: Launch Library 2, The Space Devs. Image via The Space Devs.