NASA Administrator Mike Griffin shares a story with STS-121 Pilot Mark Kelly Mission Specialist Lisa Nowak and Steven Lindsey.

During the traditional post-flight walk-around after the landing of an orbiter, NASA Administrator Mike Griffin (right) shares a story with STS-121 Pilot Mark Kelly, Mission Specialist Lisa Nowak and Commander Steven Lindsey. 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