Photos of the Space Shuttle Atlantis mission, and some of those that preceeded it in a 30 year program that ended when the final shuttle touchdown July 21
(Carolyn Krumrey, foreground right, takes a picture of Dennis Davidson, left, his wife Margaret, center, and their friend Monika Brauer, right, as they pose for a picture at Johnson Space Center in Houston after space shuttle Atlantis landed at Kennedy Space Center Thursday, July 21, 2011. Dennis Davidson and Krumrey are NASA employees. The landing of Atlantis brings the space shuttle program to an end. (AP Photo/David J. Phillip))
