Discoverer 1
Failure
FEB 28195921:49:16 UTCMaiden flight of Thor-Agena. Agena telemetry lost T+730 seconds. Fate of the payload unknown, but generally presumed to have impacted somewhere in Antarctica.
LIFTOFF
FEB 28 195921:49:16 UTC
Failure
launched from LC-75-3-4 Vandenberg
aboard Thor DM-18 Agena-A Thor 163 into LEO
Payload
Discoverer 1
Reconnaissance