Prospective NASA Project Mercury astronaut, Captain Thomas R. Bogan, USAF, wearing a helmet and pressure suit undergoes altitude chamber test at Wright-Patterson Air Force Base, Ohio. He enters a room and doctor examines him.
Prospective NASA Project Mercury astronaut, Captain Robert E. Solliday, USMC, wearing a helmet and pressure suit undergoes altitude chamber test at Wright-Patterson Air Force Base, Ohio. He sits on a stool as doctor examines him. Subject enters a room and technicians strap him onto a chair.
Prospective NASA Project Mercury astronaut, Captain Frank D. Frazier, USAF, wearing helmet and pressure suit undergoes altitude chamber test at Wright-Patterson Air Force Base, Ohio. The subject enters a room after the doctor examines him.
Prospective NASA Project Mercury astronaut, M. Scott Carpenter, wearing helmet and pressure suit undergoes altitude chamber test at Wright-Patterson Air Force Base, Ohio. Doctor examines him and Subject enters a room.
Prospective NASA Project Mercury Astronaut Captain Virgil I. "Gus" Grissom gets on to equilibrium chair for test at Wright-Patterson Air Force Base, Ohio. Doctor speaks to the astronaut. Subject is seated on a chair which rotates simultaneously on two axis. He maintains the chair on an even keel by means of a control stick with and without vibration, normally and blindfolded.
Prospective NASA Project Mercury astronaut Captain Virgil I. "Gus" Grissom, USAF, gets on to equilibrium chair for test at Wright-Patterson Air Force Base, Ohio. Doctor speaks to the astronaut. Subject is seated on a chair which rotates simultaneously on two axes. He maintains the chair on an even keel by means of a control stick with and without vibration, normally and blindfolded.
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