OPS 4639 (Corona KH-4A mission 1028), a U.S. NRO film-return photoreconnaissance satellite with dual recovery capsules. Thor SLV-2A Agena-D from Vandenberg LC-75-3-4 launched it on 24 December 1965 into LEO for optical imaging; film was recovered before reentry in January 1966.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 615 kg (est.)
- Flight
- 45th
- of 61 Thor SLV-2A Agena D flights
- Date and time
- 24 December 1965, 21:06 UTC
- Rocket
- Thor SLV-2A Agena D
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 1W, Vandenberg SFB, CA, USA
- Payload
- Government/Top Secret
- International designator
- 1965-110
- Launches in 1965
- 121st of 124
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