ISS-63 mission


ISS crew:

Commander -
Christopher Cassidy
Flight engineers:
Anatoly Ivanishin
Ivan Wagner



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.




October, 2020
The launch of LV Soyuz-2.1a with SC Soyuz MS-17 is planned
July 23, 2020
LV Soyuz-2.1a with SC Progress MS-15 is launched



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