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2nd Test Flight Photos

The crew of the Space Shuttle Discovery poses for photographers after arriving at the Kennedy Space Center in Cape Canaveral, Fla., at the completion of mission STS-121 Monday, July 17, 2006. From left: Mission Specialist Michael Fossum, Mission Specialist Lisa Nowak, Commander Steven Lindsey, Mission Specialist Stephanie Wilson, Pilot Mark Kelly and British born U.S. astronaut Piers Sellers.

(Photo: AP Photo/Robert Sullivan, pool)