John Zakutney, a deaf volunteer, being lowered into a human centrifuge. Since deaf individuals have inactive pressure-sensitive cochleas, Zakutney and 11 others were recruited by NASA for weightlessness, balance, and motion sickness experiments.
NASA astronaut transport bus - photo
How astronauts stay fit in the ISS - GIF
Drinking water in space - GIF
How astronauts sleep on the International Space Station - GIF
Apollo astronaut survivalist kit and training - photos