From left to right, Johnson Space Center Director Michael Coats, space shuttle Atlantis commander Chris Ferguson, pilot Doug Hurley, mission specialists Sandy Magnus and Rex Walheim take part in a ... more 
From left to right, Johnson Space Center Director Michael Coats, space shuttle Atlantis commander Chris Ferguson, pilot Doug Hurley, mission specialists Sandy Magnus and Rex Walheim take part in a welcome home celebration Friday, July 22, 2011, in Houston. Atlantis landed Thursday bringing an end to the space shuttle program. (AP Photo/David J. Phillip) less 
1 / 1
Associated Press | Photo By David J. Phillip
Fri, Jul 22, 2011 6:30 PM EDT