DS-K-40 was a series of experimental ELINT satellites developed by Yuzhnoye to test technologies for the Tselina-O program. December 28, 1965 at 08:10 UTC · Launch Failure Kosmos-2I — Soviet Space Program, to Low Earth Orbit 86/1, Kapustin Yar, Russian Federation The world's 516th orbital launch attempt, and 123rd of 1965. Data: Launch Library 2, The Space Devs. Image via The Space Devs.