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Vostok (spacecraft)
The Vostok ((ロシア語:Восток), translated as ''East'') was a type of spacecraft built by the Soviet Union. The first human spaceflight in history was accomplished on this spacecraft on April 12, 1961, by Soviet cosmonaut Yuri Gagarin.
The spacecraft was part of the Vostok programme in which six manned spaceflights were made from 1961–63. Two further manned space flights were made in 1964 and 1965 by Voskhod spacecraft, which were modified ''Vostok'' spacecraft. By the late 1960s both were superseded by the ''Soyuz'' spacecraft, which are still used .
==Development==
The Vostok spacecraft was originally designed for use both as a camera platform (for the Soviet Union's first spy satellite program, Zenit) and as a manned spacecraft. This dual-use design was crucial in gaining Communist Party support for the program. The basic Vostok design has remained in use for some 40 years, gradually adapted for a range of other unmanned satellites. The descent module design was reused, in heavily modified form, by the Voskhod program.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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