STS-135 Atlantis Launch

NASA Associate Administrator for Space Operations William Gerstenmaier, standing left, Manager, Space Shuttle Program Office John Shannon, standing right, and other management look on from Firing Room Four of the NASA Kennedy Space Center Launch Control Center (LCC) as they monitor the weather and countdown to the launch of the space shuttle Atlantis on Friday, July 8, 2011, in Cape Canaveral, Fla. The launch of Atlantis, STS-135, is the final flight of the shuttle program, a 12-day mission to the International Space Station.  Photo Credit: (NASA/Bill Ingalls)

NASA Associate Administrator for Space Operations William Gerstenmaier, standing left, Manager, Space Shuttle Program Office John Shannon, standing right, and other management look on from Firing Room Four of the NASA Kennedy Space Center Launch Control Center (LCC) as they monitor the weather and countdown to the launch of the space shuttle Atlantis on Friday, July 8, 2011, in Cape Canaveral, Fla. The launch of Atlantis, STS-135, is the final flight of the shuttle program, a 12-day mission to the International Space Station. Photo Credit: (NASA/Bill Ingalls)