U.S. Air Force Airman 1st Class Alison Coombs, 1st Operations Support Squadron Airfield Management shift lead, prepares to fire the Bird Air Strike Hazard gun at Langley Air Force Base, Va., Oct. 16, 2015. The BASH gun is used to ensure birds do not pose a threat to aircraft. (U.S. Air Force photo by Airman 1st Class Derek Seifert/ Released)