(English proverb). Tree would bend when it bears fruit. (Azerbaijani proverb). Over a long distance, you learn about the strength of your horse; over a long time, you learn about the character of your friend. (Chinese proverb).
For these types of missions the training to prepare astronauts will likely include training as doctors, scientists, engineers, technicians, pilots, and geologists. In addition there will be a focus on the psychological aspects of long-duration missions where crew is largely isolated.ncrement-Specific Training starts only after an astronaut has been assigned to a flight. This phase lasts 18 months and prepares them for their role on their assigned mission. During this phase crewmembers as well as backup crews will train together.
Although NASA planned an open competition for its first astronauts, President Dwight D. Eisenhower insisted that all candidates be test pilots. Because of the small space inside the Mercury spacecraft, candidates could be no taller than 5 feet 11 inches (180 cm) and weigh no more than 180 pounds (82 kg).