OPS 2155 (KH-4A Corona mission 1026), a U.S. NRO film-return photoreconnaissance satellite with dual recovery capsules. Thor SLV-2A Agena-D from Vandenberg lofted it on 28 October 1965 into LEO; both film buckets were recovered before decay on 17 November.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 616 kg (est.)
- Flight
- 43rd
- of 61 Thor SLV-2A Agena D flights
- Date and time
- 28 October 1965, 21:17 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
- 1965-086
- Launches in 1965
- 97th of 124
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