SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Cosmonauts. Soviet cosmonauts (from left to right): Pavel Popovich, Alexei Leonov and Yuri Gagarin looking at a panorama of the Moon. Popovich first travelled into space on Vostok 4 in August 1962. He also commanded Soyuz 14 in 1974. Leonov carried out the first spacewalk on 18 March 1965 from the spacecraft Voskhod 2. Gagarin became the first person in space on 12 April 1961 aboard Vostok 1, his only journey into space.
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