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JSC2002-E-25983
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JSC2002-E-25983

July 21, 2011
NASA Administrator Sean O'Keefe (from left), astronauts Paul S. Lockhart, Philippe Perrin, Franklin R. Chang-Diaz and Kenneth D. Cockrell check out the welcome home sign of a young greeter during crew return ceremonies in Hangar 990 at Elligngton Field.