The gate to Launch Pad 39A at NASA's Kennedy Space Center in Florida welcomes space shuttle Atlantis onto the pad mound after rollout from the Vehicle Assembly Building. First motion was at 3:54 a.m. EDT and Atlantis was secured on the pad at 11:17 a.m. The 3.4-mile trip took about seven-and-a-half hours. Photo credit: NASA/Jack Pfaller March 31, 2009