Astronauts Chris Hadfield and Tom Marshburn

JSC2012-E-107880 (31 July 2012) --- Canadian Space Agency astronaut Chris Hadfield (left), Expedition 34 flight engineer and Expedition 35 commander; and NASA astronaut Tom Marshburn, Expedition 34/35 flight engineer, are pictured during an Extravehicular Mobility Unit (EMU) spacesuit fit check in the Space Station Airlock Test Article (SSATA) in the Crew Systems Laboratory at NASA's Johnson Space Center. Photo credit: NASA