You're either going to sink or swim. How long are astronaut candidates required to tread water continuously while wearing a flight suit?

In the event of a crash landing on water, astronauts are required to be capable of treading water in their full flight suit for ten minutes. They must also be able to swim three lengths of a 25-meter pool, again, in their flight suit and sneakers.

Last updated 5 years ago · 1.6K views · SOURCE