Crew Of The Space Shuttle Atlantis Walk
(Photo credit by STAN HONDA/AFP/Getty Images)
Crew of the space shuttle Atlantis walk out before heading to the launch pad July 8, 2011 at Kennedy Space Center in Florida in advance of the 11:26 a.m. (EDT) launch of STS-135, the final flight of the shuttle program. Leading the crew is commander Chris Ferguson (R, front), pilot Doug Hurley (L, front), followed by mission specialists Sandy Magnus (L, rear) and Rex Walheim (R, rear). Atlantis is poised to blaze a path into history Friday when it propels toward the heavens on the last-ever mission of the 30-year-old American space shuttle program.