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Upon impact, the spacecraft sank into the soft snow but continued forward, rolling down the slope and gaining speed. As it neared a five hundred-foot cliff, the cosmonauts felt their hearts pound and adrenaline surge.
Aborted Flight of Soyuz 18a-Credit RKK Energia
Cmd of Soyuz 18 Pyotr Klimuk
Flight Eng for Soyuz 18 Vitaly Sevastyanov
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The crew of Soyuz 17 embarked on a historic 29-day mission, surpassing the previous Soviet mission-duration record of 23 days set by the Soyuz 11 crew aboard Salyut 1 in 1971.
Soyuz 17 on Pad. Credit Space Facts
Flight Eng. Georgy Grechko
Cmd. Aleksei Gubarev
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The Salyut 4 space station, designated DOS-4, marked the second phase of the Soviet Union’s civilian space station program. It was an improved version of the failed Salyut 2 station, with several notable enhancements.
Salyut Stations
Salyut 4
Salyut 4
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It was decided that henceforth, cosmonauts would wear pressure suits for launch and the return to Earth. Also, a system was installed to automatically pump air into the descent module in the event of decompression. Additionally, the ventilation valves were modified so a premature opening would cause them to re-close automatically. Of course these changes meant the spacecraft could only accommodate two cosmonauts.
