Launch Failure
Liftoff Time (GMT)
19:28:00
Saturday September 9, 1961
Pad umbilical failed to detach properly at liftoff, cutting off electrical power to the Atlas. The vehicle fell back onto the pad and exploded.
The Samos E or SAMOS ("Satellite and Missile Observation System") program was a relatively short-lived series of reconnaissance satellites for the United States in the early 1960s, also used as a cover for the initial development of the KH-7 Gambit system.
Low Earth Orbit
1 Payload
7th
Mission
4th
Mission of 1961
32nd
Orbital launch attempt