NASA Administrator Michael Griffin, center in white, and other NASA managers give a thumbs up to the crew of the space shuttle Endeavour shortly after touch down on Tuesday, Aug. 21, 2007, at the Kennedy Space Center.
NASA Administrator Michael Griffin, center in white, and other NASA managers give a thumbs up to the crew of the space shuttle Endeavour shortly after touch down on Tuesday, Aug. 21, 2007, at the Kennedy Space Center.Image credit: NASA/Bill Ingalls