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NASA, publicly introduces for the first time, the seven America’s Mercury astronauts to the world on April 9, 1959. They had all been selected from among America’s military branches.
The seven Mercury Astronauts were: Walter M. Schirra, Alan B. Shepard, Virgil I. “Gus” Grissom, Donald K. “Deke” Slayton, John H. Glenn, M. Scott Carpenter, and L. Gordon Cooper.
