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
Page Last Updated: September 27th, 2013
Page Editor: NASA Administrator