NAVSTAR II-4
Success
OCT 21198909:31:00 UTCA gps block ii navigation satellite mission on Delta II 6925.
LIFTOFF
OCT 21 198909:31:00 UTC
Success
launched from LC-17A Canaveral
aboard Delta II 6925 Delta 188 into MEO
Payload
NAVSTAR II-4
GPS Block II navigation satellite