Failed Atlas E/SGS-1 launch of Navstar 7 (GPS SVN 7), a Block I Global Positioning System navigation satellite from Vandenberg SLC-3E; first-stage failure about 20 seconds after liftoff destroyed the vehicle and payload.
- Outcome
- Failure
- Orbit
- MEO
- Medium Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 1st
- Only Atlas E/SVS flight
- Date and time
- 19 December 1981, 01:10 UTC
- Rocket
- Atlas E/SVS
- Builder
- Convair
- Launch site
- Space Launch Complex 3E, Vandenberg SFB, CA, USA
- Payload
- Navigation
- Launches in 1981
- 123rd of 126