STS-135 Atlantis Landing

The STS-135 astronauts, from left, Mission Specialists Rex Walheim, Sandy Magnus, Pilot Doug Hurley and Commander Chris Ferguson all pose for photographers shortly after they touched down in the space shuttle Atlantis at NASA's Kennedy Space Center Shuttle Landing Facility (SLF), completing its 13-day mission to the International Space Station (ISS) and the final flight of the Space Shuttle Program, early Thursday morning, July 21, 2011, in Cape Canaveral, Fla. Overall, Atlantis spent 307 days in space and traveled nearly 126 million miles during its 33 flights. Atlantis, the fourth orbiter built, launched on its first mission on Oct. 3, 1985. Photo Credit: (NASA/Bill Ingalls)