A Satellite and Missile Observation satallite which failed to enter orbit due to a failure in the launch vehicle guidance system October 11, 1960 at 20:33 UTC · Launch Failure Atlas LV-3 Agena A — United States Air Force, to Low Earth Orbit Space Launch Complex 3W, Vandenberg SFB, CA, USA The world's 81st orbital launch attempt, and 27th of 1960. Data: Launch Library 2, The Space Devs.