Michael Collins (astronaut) At the end, Alan Shepard, the Chief of the Astronaut Office, asked the fourteen to rank their fellow astronauts in the order they would want to fly with them in space. Collins picked David Scott in the number one position. After this basic training, the third group were assigned specializations, with Collins receiving his first choice of pressure suits and extravehicular activities (EVAs, also known as spacewalks). His job was to monitor the development and act as a liaison between the Astronaut Office and contractors. He was bothered by the secretive planning of Ed White's EVA on Gemini 4, because
Astronaut training the ISS. The Tsukuba Space Center also includes medical facilities for assessing suitability of candidates, an isolation chamber for simulating some of the mental and emotional stressors of long duration spaceflight, and a hypobaric chamber for training in hull breach or Life Support System failure scenarios resulting in a reduction or loss of air pressure. Although official detail of the selection process for the Shenzhou program is not available, what is known is that candidates are chosen by the Chinese National Space Administration from the Chinese air force and must be between 25 and 30 years of age, with a