CSA astronaut David Saint-Jacques trains in the International Space Station (ISS) airlock simulator at NASA's Johnson Space Center (JSC)

2017-08-08 - In August 2017, David Saint-Jacques and his colleagues Oleg Kononenko (Roscosmos) and Serena Aunon (NASA) took part in spacewalk and emergency training in the ISS airlock simulator at the JSC, in preparation for Expedition 58. (Credit: NASA/Josh Valcarcel)