Russian cosmonaut Sergei Volkov is pictured during an emergency scenarios training session in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center.
JSC2014-E-082004 (22 Sept. 2014) — Russian cosmonaut Sergei Volkov, Expedition 45/46 flight engineer, is pictured during an emergency scenarios training session in the Space Vehicle Mock-up Facility at NASA’s Johnson Space Center. Photo credit: NASA/Lauren Harnett