Joshua Kutryk ready for spacewalk training in a pool

CSA astronaut, Joshua Kutryk, is at the Neutral Buoyancy Laboratory (NBL) pool at NASA's Johnson Space Center in Houston training for spacewalks (also called extravehicular activities, or EVAs). EVAs are one of the most difficult and dangerous tasks for astronauts working on the International Space Station.

Here we see a close up of Joshua wearing a spacesuit helmet. He is now ready to get into the pool and simulate moving in space. (Credit: NASA)