Space Shuttle Discovery flew STS-39, the first fully unclassified Department of Defense shuttle mission, gathering infrared, ultraviolet, visible, and X-ray sensor data for military applications including the Strategic Defense Initiative over an 8-day flight.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 12.8 T
- Flight
- 40th
- of 135 Space Shuttle flights
- Date and time
- 28 April 1991, 11:33 UTC
- Rocket
- Space Shuttle
- Builder
- Rockwell / Martin Marietta / Thiokol
- Launch site
- Launch Complex 39A, Kennedy Space Center, FL, USA
- Payload
- Government/Top Secret
- International designator
- 1991-031
- Launches in 1991
- 32nd of 91
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas