Mercury astronauts participate in survivial training

S88-31375 (1960) --- Although more easily recognized in their spacesuits, these seven men are actually NASA astronauts participating in a U.S. Air Force survival school at Stead Air Force Base in Nevada. The original seven Mercury astronauts are, left to right, L. Gordon Cooper Jr.; M. Scott Carpenter; John H. Glenn Jr.; Alan B. Shepard Jr.; Virgil I. Grissom; Walter M. Schirra Jr. and Donald K. Slayton. Portions of their clothing have been fashioned from parachute material. Photo credit: NASA