SCHIRRA, WALTER, JR., ASTRONAUT - TRAINING - CENTRIFUGE - PA

G60-02461 (1960) --- Astronaut Walter M. Schirra Jr. prepares to enter gondola of centrifuge which is used to test gravitational stress on astronauts training for spaceflight. Schirra became the pilot of the Mercury-Atlas 8 (MA-8) six-orbit space mission. Photo credit: NASA