Discoverer 20
Success
FEB 17196120:25:00 UTCA reconnaissance mission on Thor DM-21 / Agena B.
LIFTOFF
FEB 17 196120:25:00 UTC
Success
launched from LC-75-3-4 Vandenberg
aboard Thor DM-21 / Agena B Thor 298 into LEO
Payload
Discoverer 20
Reconnaissance