The DS-MT satellites were a series of Soviet technolgy demonstration satellites launched as part of the Dnepropetrovsk Sputnik program. December 9, 1964 at 23:00 UTC · Launch Successful Kosmos-2I — Soviet Space Program, to Low Earth Orbit 86/1, Kapustin Yar, Russian Federation The world's 386th orbital launch attempt, and 93rd of 1964. Data: Launch Library 2, The Space Devs. Image via The Space Devs.