Kosmos 1074 (Russian: Космос 1074 meaning Cosmos 1074) was a Soviet unmanned long-duration test flight of the Soyuz-T spacecraft launched on January 31, 1979, and de-orbited on April 1, 1979. It is the last Soyuz spacecraft that has received a Kosmos designation, and its mission is officially intended to investigate the upper atmosphere and outer space
Mission parameters Spacecraft: Soyuz 7K-ST Mass: 6450 kg Crew: None Launched: January 31, 1979 Landed: April 1, 1979
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