JSC2011-E-015844 (9 Feb. 2011) --- NASA astronauts Mark Kelly (background), STS-134 commander; and Andrew Feustel, mission specialist, participate in an EVA simulation session in a space station mock-up in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center. Photo credit: NASA or National Aeronautics and Space Administration
Photographer BILL STAFFORD
Date February 9, 2011