How Nasa trains its astronauts spacewalk, survival and more

Divers equipped with SCUBA gear are assisting crewmembers in the water. This rehearsal prepares them for work on the outside of the space station.(Photo: Nasa)

Astronaut participates in T-38 preflight training at Ellington Field in Houston, Texas.(Photo: Nasa)

Astronauts works with survival gear that will help sustain her for three days in the wilderness. As the first phase of their extensive training program along the way to become full-fledged astronauts, participating in their land survival training. (Photo credit: Nasa)

Astronauts participates in spacewalk training at Nasa's space center to help prepare them for possible work on the exterior of the International Space Station (Photo: Nasa)

Astronauts and support personnel participate in water survival training at Nasa's space center in Houston, Texas. (Photo: Nasa)

Aboard the International Space Station, astronauts engage in emergency training sessions to ensure they are prepared for any potential medical crises. One crucial aspect of this training involves practicing cardiopulmonary resuscitation (CPR). (Photo: Nasa)

Astronauts are pictured during water egress training at Ellington Air Force Base in Texas. (Photo: Nasa)

To simulate facial injuries, a volunteer “astronaut” is tended to by aeromedical rescue staff after evacuation from the shuttle mockup.(Photo: Nasa)