|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.|
Kamanin meets with Alekseyev on the design of a space suit for the female cosmonauts. He advises the designer of the absolute need to have them finished by the end of the year and provides the measurements of the five ladies. Alekseyev advises he cannot possibly complete the suits earlier than the first quarter of 1963. He won't be pressured in the absence of an official government decree -- at the same time that Korolev and Smirnov are pressing the Central Committee for permission to make a female flight in September 1962!!
The prospects did not look good for authorisation of production of ten further Vostok spacecraft. In a heated discussion between Rudenko, Ivanovskiy, and Grechko, it was argued that production of further Vostoks would delay flight of the first Soyuz spacecraft by a year. On the other hand this would mean no Soviet manned flights in 1963-1964. Furthermore Ivanovskiy reported that production of the female version of the Vostok space suit could not be completed until the end of 1962. Therefore this meant that the flight of two female cosmonauts in the final two available Vostok spacecraft would be delayed until March-April 1963 - the very end of the storage life of the spacecraft.
Victory Day Holiday in the Soviet Union. The cosmonauts toured Glushko's engine factory. Glushko has 11,000 employees at four locations. The resentment between Glushko and Korolev, going back to their time in the Gulag, is apparent. Korolev calls during the tour but Glushko does not return his call. Later Alekseyev contacts Kamanin and proposes that Komarov be the back-up cosmonaut for Vostok 5 rather than Khrunov - because he hasn't finished the suit yet for Khrunov!
The VVS wants to send 55 staff to Tyuratam for the launches, but Korolev wants no more than 25. This is just possible - 11 cosmonauts, 8 engineers, and vital support staff only. Bykovskiy was to start a two day run in the hot mock-up, but it was called off due to defects with his suits - the biosensors were wired to his helmet microphone! The suit seems not even to have been tested before delivery. Alekseyev was supposed to have it ready by 9 May, now it will only be ready for use by 14 May. Gordon Cooper is scheduled for a 34 hour Mercury flight tomorrow....
Problems with Titov again. While on a road trip with a journalist, he left a satchel with sensitive and classified papers unattended in his car - documents from Korolev, secret state decrees by the Supreme Soviet, etc. At 12:30 Volynov took Bykovskiy's place in the hot mock-up. Examination of Bykovskiy's suit showed that it had been incorrectly assembled.