epa02814847 Spectators watch the lift off of Shuttle Atlantis on mission STS-135 at Kennedy Space Center, Cape Canaveral, Florida, USA, 08 July 2011. Atlantis crew members Commander Chris Ferguson, Pilot Doug Hurley, Mission Specialist Rex Walheim, and Sandra Magnus left on launch pad 39-A for the final launch of the shuttle program. Atlantis will be the last Space Shuttle to launch in the NASA Space Shuttle Program to the International Space Station and will be on a twelve day mission. EPA/SHAWN THEW