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.

[3] 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[2]

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