SK-1 is an initialism of "Skafandr Kosmicheskiy" # 1 (Скафандр Космический = "diving suit for space") is a

spacesuit A space suit (or spacesuit) is an environmental suit used for protection from the harsh Space environment, environment of outer space, mainly from its Vacuum (outer space), vacuum as a highly specialized pressure suit, but also its temperatu ...

that was developed specially for

Yuri Gagarin Yuri Alekseyevich Gagarin; Gagarin's first name is sometimes transliterated as ''Yuriy'', ''Youri'', or ''Yury''. (9 March 1934 – 27 March 1968) was a Soviet pilot and cosmonaut who, aboard the first successful Human spaceflight, crewed sp ...

. As such, it is the first spacesuit ever used. After his successful flight on the

Vostok 1 Vostok 1 (, ) was the first spaceflight of the Vostok programme and the first human spaceflight, human orbital spaceflight in history. The Vostok 3KA space capsule was launched from Baikonur Cosmodrome on 12 April 1961, with Soviet astronaut, c ...

spacecraft A spacecraft is a vehicle that is designed spaceflight, to fly and operate in outer space. Spacecraft are used for a variety of purposes, including Telecommunications, communications, Earth observation satellite, Earth observation, Weather s ...

, spacesuits of the SK series were used for space flights of other cosmonauts on

Vostok spacecraft Vostok (, translated as "East") was a class of single-pilot crewed spacecraft built by the Soviet Union. The first human spaceflight was accomplished with Vostok 1 on April 12, 1961, by Soviet cosmonaut Yuri Gagarin. The Vostok programme ma ...

, in which the cosmonauts would eject and land separately from module. The SK-1 was used from 1961-1963.

SK-2 (CK-2)

Almost exactly the same as the SK-1 but designed for a woman, it was on June 16 through 19th in 1963 on Vostok 6.

Specifications

Allowed ejections up to . *Name: SK-1/SK-2 Spacesuit *Manufacturer: NPP Zvezda *Missions: Vostok 1 to Vostok 6 *Function: Intra-vehicular activity (IVA) and Ejection *Operating Pressure: *Suit Weight: *Primary Life Support: Vehicle Provided

References

*
Astronautix Sokol SK-1

External links

Vita Germetika : A Brief History of Creating and Development of Soviet-Russian space suits
- in Russian
Memorial Museum of Cosmonautics in Moscow SK-1 Suit Picture (34 & 35)
{{space suit Soviet and Russian spacesuits Vostok program