Progress 31, an uncrewed 7K-TG cargo freighter, launched on a Soyuz-U2 from Baikonur to resupply Mir. It docked to the Kvant-1 aft port on 5 August 1987 and remained attached until undocking and deorbit in late September.
- Outcome
- Success
- Payload to orbit
- 9.7 T
- Flight
- 19th
- of 71 Soyuz-U2 flights
- Date and time
- 3 August 1987, 20:44 UTC
- Rocket
- Soyuz-U2
- Builder
- Progress RSC
- Launch site
- 1/5, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Unknown
- International designator
- 1987-066
- Launches in 1987
- 70th of 114
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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