NASA astronaut Jeff Williams participates in an emergency scenarios training session in an International Space Station.
JSC2014-E-081964 (22 Sept. 2014) — NASA astronaut Jeff Williams, Expedition 47 flight engineer and Expedition 48 commander, participates in an emergency scenarios 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/Lauren Harnett