OPS 2581 (KH-11 Kennen 3 / Crystal 3), a U.S. NRO electro-optical photoreconnaissance satellite, launched on a Titan IIID from Vandenberg SLC-4E into LEO; the third KH-11 in the series, operated until October 1982.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 13.5 T (est.)
- Flight
- 18th
- of 22 Titan IIID flights
- Date and time
- 7 February 1980, 21:10 UTC
- Rocket
- Titan IIID
- Builder
- LM
- Launch site
- Space Launch Complex 4E, Vandenberg SFB, CA, USA
- Payload
- Government/Top Secret
- International designator
- 1980-010
- Launches in 1980
- 10th of 108
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