NEXT SPACEFLIGHT

Status

Success

STS-39 & (USA-70)

Launch Time
Sun Apr 28, 1991 11:33 UTC

Rocket

Space Shuttle Discovery
NASA
Status: Retired
Price: $450.0 million
Liftoff Thrust: 30,250 kN
Payload to LEO: 27,500 kg
Payload to GTO: 3,810 kg
Stages: 2
Strap-ons: 2
Rocket Height: 56.1 m

Vehicles

Kennedy SLF Runway 15

OV-103

Flight #12
204 day turnaround

Mission Details

STS-39 & (USA-70)

STS-39 was a dedicated Department of Defense mission. Unclassified payload included Air Force Program-675 (AFP675); Infrared Background Signature Survey (IBSS) with Critical Ionization Velocity (CIV), Chemical Release Observation (CRO) and Shuttle Pallet Satellite-II (SPAS-II) experiments; and Space Test Payload-1 (STP-1). Classified payload consisted of Multi-Purpose Release Canister (MPEC). Also on board was Radiation Monitoring Equipment III (RME III) and Cloud Logic to Optimize Use of Defense Systems-1A (CLOUDS-1A).

Total Mass: 5,663.0 kg
Low Earth Orbit

Location

LC-39A, Kennedy Space Center, Florida, USA

Stats

1991

32nd orbital launch attempt

Space Shuttle

40th mission
2nd mission of 1991
39th successful mission
15th consecutive successful mission