FILE - In this Sept. 25 1959 file photo, J.R. Dempsey, executive of convair, maker of Atlas, second left, laughs with Mercury 7 astronauts, from left, Wally Schirra Jr., John Glenn, Virgil I. "Gus" ... more 
FILE - In this Sept. 25 1959 file photo, J.R. Dempsey, executive of convair, maker of Atlas, second left, laughs with Mercury 7 astronauts, from left, Wally Schirra Jr., John Glenn, Virgil I. "Gus" Grissom, Alan Shepard, Gordon Cooper, and Scott Carpenter, while standing around models of the Atlas and nose capsule designed to carry them into space, in San Diego. Carpenter's death on Oct. 10, 2013 leaves John Glenn as the sole living member of the famed group. (AP Photo, File) less 
1 / 29
Associated Press
Thu, Oct 10, 2013 11:03 PM EDT