DFRC Center Director Kevin Petersen greets Commander Frederick Sturckow and the crew of the Space Shuttle Atlantis at Edwards, AFB, Calif., on June 22, 2007

The Space Shuttle Atlantis touches down at Edwards AFB on June 22, 2007, to conclude International Space Station construction and supply mission STS-117

Jun 22, 2007

The Space Shuttle Atlantis touches down at Edwards AFB on June 22, 2007, to conclude International Space Station construction and supply mission STS-117

Jun 22, 2007

The Space Shuttle Atlantis' drag chute deploys as it rolls out on Runway 22 at Edwards AFB at the conclusion of its 13-day STS-117 mission to the ISS

Jun 22, 2007

NASA's 747 Shuttle Carrier Aircraft with the Space Shuttle Atlantis on top lifts off to begin its ferry flight back to the Kennedy Space Center in Florida

Jul 1, 2007