STS-121 Mission Specialist Michael Fossum Pilot Mark Kelly and Steven Lindsey are greeted after leaving in the background.

(From left) STS-121 Mission Specialist Michael Fossum, Pilot Mark Kelly and Commander Steven Lindsey are greeted by NASA Administrator Mike Griffin (foreground, right), Associate Administrator Rex Geveden and other senior managers after leaving the orbiter Discovery, in the background. The rest of the crew are Mission Specialists Piers Sellers, Lisa Nowak and Stephanie Wilson. Mission Specialist Thomas Reiter, who launched with the crew on July 4, remained on the station to join the Expedition 13 crew there. Discovery's smooth and perfect landing was on time at 9:14 a.m. EDT on Runway 15 of NASA's Shuttle Landing Facility after traveling 5.3 million miles on 202 orbits. Mission elapsed time was 12 days, 18 hours, 37 minutes and 54 seconds. The landing is the 62nd at Kennedy Space Center and the 32nd for Discovery. Photo credit: NASA/Kim Shiflett