(4 July 1962) -- The original seven Mercury astronauts, each wearing new cowboy hats and a badge in the shape of a star, are pictured on stage at the Sam Houston Coliseum. Left to right are astronauts M. Scott Carpenter, L. Gordon Cooper Jr., John H. Glenn Jr., Virgil I. Grissom, Walter M. Schirra Jr., Alan B. Shepard Jr., and Donald K. Slayton.