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Mercury Seven Astronauts

Mercury Seven Astronauts

Mercury Seven astronauts at the Manned Spacecraft Center, Houston, Texas, October 21, 1963

Courtesy NASA

Left to Right: L. Gordon Cooper, Jr., Walter M. Schirra, Jr., Alan B. Shepard, Jr., Virgil I. “Gus” Grissom, John H. Glenn, Jr., Donald K. “Deke” Slayton, and M. Scott Carpenter