OPS 4311 (DAPP-5B F-1), a U.S. Air Force Defense Meteorological Satellite Program weather craft for military cloud-cover imaging. Thor LV-2F Burner IIA from Vandenberg SLC-10W placed it in sun-synchronous LEO; maiden flight of Burner IIA.
- Outcome
- Success
- Orbit
- SSO
- Sun-synchronous orbit
- Payload to orbit
- 192 kg
- Flight
- 1st
- of 8 Thor Burner 2A flights
- Date and time
- 14 October 1971, 07:51 UTC
- Rocket
- Thor Burner 2A
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 10W, Vandenberg SFB, CA, USA
- Payload
- Government/Top Secret
- International designator
- 1971-087
- Launches in 1971
- 96th of 133
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