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Pictured is astronaut Walter M. Schirra, one of the original seven astronauts for Mercury Project selected by NASA on April 27, 1959. Schirra's Mercury-Atlas 8 mission, during which he piloted his Sigma 7 spacecraft, was the third manned orbital flight by the United States. Image credit: NASA
Description
Pictured is astronaut Walter M. Schirra, one of the original seven astronauts for Mercury Project selected by NASA on April 27, 1959. Schirra's Mercury-Atlas 8 mission, during which he piloted his Sigma 7 spacecraft, was the third manned orbital flight by the United States. Image credit: NASA
Description
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