Progress 39 () was a

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

unmanned

Progress Progress is the movement towards a refined, improved, or otherwise desired state. In the context of progressivism, it refers to the proposition that advancements in technology, science, and social organization have resulted, and by extension wi ...

cargo spacecraft, which was launched in December 1988 to resupply the

Mir EO-4 Mir EO-4 (also called Principal Expedition 4) was the fourth long-duration expedition to the Soviet space station Mir. The expedition began in November 1988, when crew members Commander Aleksandr Volkov and Flight Engineer Sergei Krikalev arrived ...

expedition aboard the

Mir ''Mir'' (russian: Мир, ; ) was a space station that operated in low Earth orbit from 1986 to 2001, operated by the Soviet Union and later by Russia. ''Mir'' was the first modular space station and was assembled in orbit from 1986 to&n ...

space station.

Launch

Progress 39 launched on 25 December 1988 from the

Baikonur Cosmodrome The Baikonur Cosmodrome ( kk, Байқоңыр ғарыш айлағы, translit=Baiqoñyr ğaryş ailağy, ; russian: Космодром Байконур, translit=Kosmodrom Baykonur, ) is a spaceport in an area of southern Kazakhstan leased to R ...

in the

Kazakh SSR ; kk, Қазақ Советтік Социалистік Республикасы) *1991: Republic of Kazakhstan (russian: Республика Казахстан; kk, Қазақстан Республикасы) , linking_name = the ...

. It used a

Soyuz-U2 The Soyuz-U2 (GRAU index 11A511U2) was a Soviet Union, Soviet, later Russian, carrier rocket. It was derived from the Soyuz-U, and a member of the R-7 (rocket family), R-7 family of rockets. It featured increased performance compared with the b ...

rocket.

Docking

Progress 39 docked with the aft port of the

Kvant-1 Kvant-1 (russian: Квант-1; English: Quantum-I/1) (37KE) was the first module to be attached in 1987 to the Mir Core Module, which formed the core of the Soviet space station ''Mir''. It remained attached to ''Mir'' until the entire space stati ...

module of Mir on 27 December 1988 at 05:35:10 UTC, and was undocked on 7 February 1989 at 06:45:34 UTC.

Decay

It remained in orbit until 7 February 1989, when it was deorbited. The deorbit burn occurred at around 12:49 UTC and the mission ended at 13:49 UTC.

References

Progress (spacecraft) missions 1988 in the Soviet Union Spacecraft launched in 1988 Spacecraft which reentered in 1989 Spacecraft launched by Soyuz-U rockets {{USSR-spacecraft-stub

Launch

Docking

Decay

See also

References