Koichi Wakata, Michael Hopkins, Rick Mastracchio and Oleg Kotov

JSC2013-E-007020 (18 Jan. 2013) --- Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata (left), Expedition 38 flight engineer and Expedition 39 commander; and NASA astronaut Michael Hopkins (mostly obscured), Expedition 37/38 flight engineer, participate in an exercise in a Cupola trainer in the systems engineering simulator in the Avionics Systems Laboratory at NASA's Johnson Space Center. The facility includes moving scenes of full-sized International Space Station components over a simulated Earth. Also pictured are NASA astronaut Rick Mastracchio, Expedition 38/39 flight engineer; and Russian cosmonaut Oleg Kotov, Expedition 37 flight engineer and Expedition 38 commander, along with crew instructors. Photo credit: NASA