Launch Failure

Liftoff Time (GMT)

19:28:00

Saturday September 9, 1961

Mission Details

Launch Notes

Pad umbilical failed to detach properly at liftoff, cutting off electrical power to the Atlas. The vehicle fell back onto the pad and exploded.

Samos 3

Wiki

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

Rocket

Retired
Atlas-LV3 Agena-B

Active 1961 to 1965


Payload to Orbit

LEO: 1,725 kg

Stages

2

Launch Site

SLC-3W

Vandenberg SFB, California, USA

Fastest Turnaround

17 days 21 hours

Stats

Atlas-Agena


7th

Mission

4th

Mission of 1961

1961


32nd

Orbital launch attempt