Kosmos 1074 (russian: Космос 1074 meaning ''Cosmos 1074'') was a

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nation ...

unmanned long-duration test flight of the Soyuz-T spacecraft launched on January 31, 1979 and de-orbited on April 1, 1979. Mir Hardware Heritage (Wikisource)

Mission parameters

*Spacecraft: Soyuz 7K-ST *Mass: 6450 kg *Crew: None *Launched: January 31, 1979 *Landed: April 1, 1979

References

Kosmos satellites 1979 in the Soviet Union Spacecraft launched in 1979 Soyuz uncrewed test flights {{USSR-spacecraft-stub