Staff Sgt. Joshua Johnson, a 51st Operations Support Squadron airfield management operations supervisor, fires a blank round into the air to ward birds off the flight line Aug. 23, 2014, at Osan Air Base, Republic of Korea. As part of the airfield management team, Johnson is responsible for ensuring birds stay away from the flight line during after-duty and weekend hours. (U.S. Air Force photo by Staff Sgt. Jake Barreiro/Released)

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Photo by: Staff Sgt. Jake BarreiroReleased |  VIRIN: 140823-F-TG070-150.JPG