The formal astronaut training begins with computer simulations of the various parts of a space shuttle. The candidate then moves on to training with actual simulators, in which they physically move through the procedures of operating a space shuttle. They learn how everything works, and what to do if something malfunctions. There are different positions on the crew of a space shuttle. The training program takes from one to two years, and at the end of the training, candidates are evaluated, and those who meet all the requirements are official astronauts.
Astronauts sign up for a tour of duty, much as someone who joins a branch of military service.
They train on flight simulators for the specific mission they will fly. It's been said that the greatest challenge about becoming an astronaut is the need to be able to know about and be good at many things. Intelligence, physical endurance, and hard work all play a part in being successful. Send this article to a friend. View a printable version of this article.