Astronauts Chris Cassidy and Luca Parmitano

JSC2013-E-007730 (22 Jan. 2013) --- NASA astronaut Chris Cassidy (center), Expedition 35/36 flight engineer; and European Space Agency astronaut Luca Parmitano, Expedition 36/37 flight engineer, participate in a training session in the virtual reality lab in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. A crew instructor (left) assisted the crew members. Photo credit: NASA