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October 31, 2011
Astronaut John M. Grunsfeld, STS-125 mission specialist, participates in an Extravehicular Mobility Unit (EMU) spacesuit fit check in the Space Station Airlock Test Article (SSATA) in the Crew Systems Laboratory at the Johnson Space Center. Astronaut Michael T. Good (right), mission specialist, and United Space Alliance (USA) suit technician James Lemmon assisted Grunsfeld.