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Sokol
Russian space suit. The first Russian space suit was designed for the Vostok cosmonauts in 1959-1961. It was adapted for use as the first extravehicular activity suit in 1964. Korolev expected cosmonauts would not normally need pressure suits. The loss of the Soyuz 11 crew in 1971 in a cabin depressurization proved that to be a fatal error, and the Sokol was redesigned in a crash program to provide Soyuz astronauts protection during ascent and return from orbit. The simple design proved so successful it remained in use into the 21st Century, and became the basis for the Chinese space suit as well.



Subtopics

Sokol SK-1 Russian space suit, operational 1961 for the Vostok spacecraft.

Berkut Russian space suit, operational 1965. Berkut was a modified Vostok Sokol space suit. The needs of the cosmonaut were supplied not through the umbilical cord, but rather through a simple open-cycle environmental control system.

Sokol-K1 Russian space suit, operational 1971. After the Soyuz 11 tragedy, in which all three unsuited cosmonauts died in a decompression accident, the Soviets scrambled to produce new IVA suits.

Sokol-KV2 Russian space suit, operational 1990. Improved version of the Sokol IVA suit developed for use aboard Soyuz T.

Chinese Space Suit The Shenzhou flight suits were reverse-engineered from the Russia Sokol suit. The suits are designed to protect the astronaut in the event of cabin depressurization, and not for use in extra-vehicular activity.



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