STS-135 commander Chris Ferguson, left, and mission specialist Sandra Magnus, smile during a post landing news conference at the Kennedy Space Center at Cape Canaveral, Fla. Thursday, July 21, 2011. The landing of space shuttle Atlantis marks the end of NASA's 30 year space shuttle program. (AP Photo/J. Pat Carter)

Associated Press
STS-135 commander Chris Ferguson, left, and mission specialist Sandra Magnus, smile during a post landing news conference at the Kennedy Space Center at Cape Canaveral, Fla. Thursday, July 21, 2011. The landing of space shuttle Atlantis marks the end of NASA's  30 year space shuttle program.  (AP Photo/J. Pat Carter)
STS-135 commander Chris Ferguson, left, and mission specialist Sandra Magnus, smile during a post landing news conference at the Kennedy Space Center at Cape Canaveral, Fla. Thursday, July 21, 2011. The landing of space shuttle Atlantis marks the end of NASA's 30 year space shuttle program. (AP Photo/J. Pat Carter)
View Comments (1)