SSATA Crew Training and EMU Verification for STS-135 astronaut Sandra Magnus.

JSC2011-E-024064 (4 March 2011) --- NASA astronaut Sandy Magnus, STS-135 mission specialist, prepares for 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. NASA astronaut Chris Ferguson (right), STS-135 commander; and Japan Aerospace Exploration Agency (JAXA) astronaut Satoshi Furukawa, Expedition 28/29 flight engineer, assisted Magnus. Photo credit: NASA or National Aeronautics and Space Administration