JOINT BASE ANDREWS, Md., - Airmen from the 11th Civil Engineering Squadron listen to a brief about safety procedures prior to the controlled burn on the flightline Jan. 10, 2013. The fire department conducted the burn to decrease the potential for Bird Aircraft Strike Hazards. (U.S. Air Force photo/Senior Airman Lauren Main)

JOINT BASE ANDREWS, Md., - Tech. Sgt. Roger Dupuis, 11th Civil Engineering Squadron assistant chief of training ignites a fire on the flightline here during a controlled burn Jan. 10, 2013. The fire department conducted the burn to decrease the potential for Bird Aircraft Strike Hazards. (U.S. Air Force photo/Senior Airman Lauren Main)

JOINT BASE ANDREWS, Md., - Tech. Sgt. Roger Dupuis, 11th Civil Engineering Squadron assistant chief of training, lights a fire on the flightline here during a controlled burn Jan. 10, 2013 The fire department conducted the burn to decrease the potential for Bird Aircraft Strike Hazards. (U.S. Air Force photo/Senior Airman Lauren Main)

JOINT BASE ANDREWS, Md., - Tech. Sgt. Damean Moore, 11th Civil Engineering Squadron fire protection craftsman, played a vital role here during the controlled burn on the flightline, Jan. 10, 2013. Moore ensured that the fire stayed within the prescribed burn area and didn’t get out of control. (U.S. Air Force photo/Senior Airman Lauren Main)