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.
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