Firefighters from the 633rd Civil Engineer Squadron simulate clearing a cockpit during a live-fire exercise March 13, 2013, at Langley Air Force Base, Va. Each firefighter is required to undergo live-fire training semi-annually. (U.S. Air Force Photo by Airman 1st Class Austin Harvill/Released)
Airman 1st Class Austin Harvill
Taken on 13 March 2013
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