JSC2013-E-070716 (18 July 2013) — NASA astronaut Steve Swanson, Expedition 39 flight engineer and Expedition 40 commander, speaks in a microphone during an emergency scenario training session in an International Space Station mock-up/trainer in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Photo credit: NASA
JSC2013-E-070716 (18 July 2013) — NASA astronaut Steve Swanson, Expedition 39 flight engineer and Expedition 40 commander, speaks in a microphone during an emergency scenario training session in an International Space Station mock-up/trainer in the Space Vehicle Mock-up Facility at NASA’s Johnson Space Center. Photo credit: NASA