On March 18, 1965, the Soviet spacecraft Voshkod-2 launched with two cosmonauts on board, Alexei Leonov and Pavel Belyayev.
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What US never told you about first spacewalk: Soviet cosmonaut Alexei Leonov almost died in orbit
Behind the iconic images of a man floating above earth is a story full of danger, secrecy and Cold War rivalry, where even the truth could become collateral damage.
Add Yahoo as a preferred source to see more of our stories on Google. A NASA astronaut will soon make history when he and one other step outside the International Space Station on the first ...
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