BiographyMay 3 (Bloomberg) -- Walter M. ``Wally'' Schirra, one of the original Project Mercury astronauts, died today in California, almost a half-century after joining the program that sent the first Americans into space. He was 84.
NASA's Kennedy Space Center confirmed Schirra's death. He was the only astronaut to fly in the first three U.S. space programs: Mercury, Gemini and Apollo.