OPS 1612 (Corona KH-4 mission 1031), a U.S. NRO film-return photoreconnaissance satellite with dual recovery capsules. Thor SLV-2A Agena-D from Vandenberg PALC-1-1 launched it on 7 April 1966 into LEO for optical imaging; film was recovered before reentry on 26 April.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 615 kg (est.)
- Flight
- 49th
- of 61 Thor SLV-2A Agena D flights
- Date and time
- 7 April 1966, 22:02 UTC
- Rocket
- Thor SLV-2A Agena D
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 3W, Vandenberg SFB, CA, USA
- Payload
- Government/Top Secret
- International designator
- 1966-029
- Launches in 1966
- 33rd of 131
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