Sikorsky MH-53M Pave Low IV, 68-8424, prepares for its last combat mission, Iraq, 27 September 2008. (A1C Jason Epley, U.S. Air Force)
MH-53 Pave Low helicopters prepare to take off for their final combat mission Sept. 27 in Iraq. The MH-53 was retired from the Air Force inventory Sept. 30. It was the largest and most technologically advanced helicopter in the Air Force, with a service record dating back to the Vietnam War. (U.S. Air Force photo/Airman 1st Class Jason Epley)