JSC2012-E-035580 (19 March 2012) --- Canadian Space Agency astronaut Chris Hadfield (center), Expedition 34 flight engineer and Expedition 35 commander; along with Russian cosmonaut Roman Romanenko (left) and NASA astronaut Tom Marshburn, both Expedition 34/35 flight engineers, participate in a 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