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jsc2009e284893

April 4, 2012
JSC2009-E-284893 (15 Dec. 2009) --- NASA astronaut Gregory H. Johnson (right), STS-134 pilot; and European Space Agency astronaut Roberto Vittori, mission specialist, participate in an EVA Thermal Protection System (TPS) overview training session in the TPS/ Precision Air Bearing Facility in the Space Vehicle Mock-up Facility at NASA's Johnson Space Center.