Tech. Sgt. Christian MacKenzie poses stands next to an Air Force special operations MH-53 Pave Low helicopter July 12, 2003, at Baghdad International Airport. Sergeant MacKenzie served as a flight engineer on the helicopter and flew low-level, long-range, undetected missions into enemy territory, day or night, in all kinds of weather, to insert, extract and resupply special operations forces. (Courtesy photo)