Sergei Volkov and Oleg Skripochka participate in a routine operations training session.
JSC2014-E-082203 (24 Sept. 2014) — Russian cosmonauts Sergei Volkov (left), Expedition 45/46 flight engineer; and Oleg Skripochka, Expedition 47/48 flight engineer, participate in a routine operations 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