5 of 10: Johnson Space Center Director Michael Coats, left, kisses his wife Diane after being presented the space shuttle Atlantis mission flag after Atlantis landed at Kennedy Space Center Thursday, July 21, 2011, in Houston. The flag, which flew during the mission, was lowered and presented to Coats. The landing of Atlantis brings the space shuttle program to an end. (AP Photo/David J. Phillip)

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