NASA astronaut Jeff Williams and Russian cosmonaut Sergei Volkov participate in an emergency scenarios training session.
JSC2014-E-081933 (22 Sept. 2014) — NASA astronaut Jeff Williams (left), Expedition 47 flight engineer and Expedition 48 commander; and Russian cosmonaut Sergei Volkov, Expedition 45/46 flight engineer, participate in an emergency scenarios training session in the Space Vehicle Mock-up Facility at NASA’s Johnson Space Center. Photo credit: NASA/Lauren Harnett