NASA International Space Station Program Office Manager Michael Suffredini, left, NASA Administrator Charles Bolden, second from left, Deputy Administrator Lori Garver, Manager, Space Shuttle Program Office John Shannon, third from left, and an unidentified colleague, talk under the space shuttle Atlantis at the Kennedy Space Center Shuttle Landing Facility (SLF) shortly after Atlantis (STS-135) landed 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)