launched fromUSA

Discoverer 1

Failure
FEB 28195921:49:16 UTC

Maiden flight of Thor-Agena. Agena telemetry lost T+730 seconds. Fate of the payload unknown, but generally presumed to have impacted somewhere in Antarctica.

launched fromLC-75-3-4Vandenberg

aboardThor DM-18 Agena-AThor 163intoLEO

Payload

Discoverer 1

Reconnaissance