KH-9 Hexagon 15 (Mission 1215 / OPS 3854), a U.S. NRO film-return photoreconnaissance satellite with secondary Ursala 4 SIGINT payload. Titan IIID from Vandenberg SLC-4E placed the Big Bird stack in sun-synchronous LEO for wide-area imaging.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 11.8 T (est.)
- Flight
- 17th
- of 22 Titan IIID flights
- Date and time
- 16 March 1979, 18:30 UTC
- Rocket
- Titan IIID
- Builder
- LM
- Launch site
- Space Launch Complex 4E, Vandenberg SFB, CA, USA
- Payload
- Government/Top Secret
- International designator
- 1979-025
- Launches in 1979
- 26th of 110
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