U.S. Air Force firefighters from the 125th Fighter Wing, Jacksonville, Fla., and the 71st Fighter Wing, Langley, Va., extinguish a fire in a burn pit at the Combat Readiness Training Center in Savannah, Ga., March 13, 2010. The burn pit, a live-fire training simulator, recreates most scenarios of a real aircraft fire. (U.S. Air Force photo by Tech. Sgt. Shelley Gill/Released)