Soyuz-T
Soyuz-T spacecraft
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| Manufacturer | Korolev |
|---|---|
| Country of origin | USSR |
| Operator | Soviet space program |
| Applications | Carry three cosmonauts to Salyut and Mir space stations and back |
| Specifications | |
| Regime | Low Earth orbit |
| Production | |
| Status | Out of service |
| Launched | 16 |
| First launch | Soyuz T-1, 1979 |
| Last launch | Soyuz T-15, 1986 |
| Related spacecraft | |
| Derived from |
Soyuz 7K-TM (Soyuz 7K-T) |
| Derivatives | Soyuz-TM |
The Soyuz-T (Russian: Союз-T, Union-T) spacecraft was the third generation Soyuz spacecraft, in service for seven years from 1979 to 1986. The T stood for transport (транспортный, Transportny). The revised spacecraft incorporated lessons learned from the Apollo Soyuz Test Project, Soyuz 7K-TM and Military Soyuz.
The Soyuz-T was a major upgrade over previous Soyuz spacecraft, sporting solid-state electronics for the first time and a much more advanced onboard computer to help overcome the chronic docking problems that affected cosmonauts during space station missions. In addition, solar panels returned, allowing the Soyuz-T to fly up to 11 days independently as well as a redesigned propulsion system, the KTDU-426. Finally, it could at last carry three cosmonauts with pressure suits.
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