ISS-64 mission


ISS crew:

Commander -
Sergey Ryzhikov
Flight engineers:
Sergey Kud-Sverchkov
Kathleen Rubins
Michael Hopkins
Victor Glover
Shannon Walker
Soichi Noguchi



45 years of the launch of the Salyut-4 manned station

December 26, 2019

On December 26, 1974 the Proton-K heavy launch vehicle was launched from the Baikonur Cosmodrome under the flight design test program of the second Soviet civil long-term orbital station Salyut-4 developed by TsKBEM near Moscow (now RSC Energia). The launch vehicle successfully injected a 18.5-ton space laboratory into near-earth orbit to operate both in the automatic and manned modes.

The new station with a doubled operation life was equipped for the first time with a modernized closed-cycle life-support system and more efficient power supply system with three solar panels capable of autonomous pointing to the Sun. The Salyut-4 scientific program included astrophysical studies using a set of X-ray and infrared telescopes-spectrometers, photometric monitoring of the atmosphere and the Earth surface, as well as a series of biomedical and technological experiments.

Due to the unique capabilities of the Salyut-4 long-term orbital station at that time, the station during its existence received two manned expeditions. The crew of the Soyuz-17 spacecraft consisting of Aleksei Gubarev and Georgy Grechko worked onboard the station at that time, the station in winter 1974, and in May 1975 Soyuz-18 with Petr Klimuk and Vitaly Sevastianov arrived at the long-term orbital station with a two-month mission to study the long-term stay of a person in zero gravity conditions.

The advanced technical solutions first used at Salyut-4, opened the way to space for the next generation of orbital stations and are still being used in the Russian Segment of the International Space Station.





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