USA-56/57/58
Success
APR 11199015:00:00 UTCA technology demonstration mission on Atlas E/F-Altair.
LIFTOFF
APR 11 199015:00:00 UTC
Success
launched from SLC-3W Vandenberg
aboard Atlas E/F-Altair 28E into LEO
Payload
USA-56/57/58 (Stacksat/P87-2)
Technology demonstration