A test of the Vostok capsule carrying a pair of dogs. Unfortunately this failed after a failure of the booster. July 28, 1960 at 09:31 UTC · Launch Failure Vostok 8K72 — Soviet Space Program, to Low Earth Orbit 1/5, Baikonur Cosmodrome, Republic of Kazakhstan The world's 70th orbital launch attempt, and 16th of 1960. Program: Vostok Data: Launch Library 2, The Space Devs.