Maj. Jim Ellis, 28th Bomb Wing flight safety officer and B-1 pilot, refers to his map of the base while scanning areas for geese and ducks near the airfield on Ellsworth Air Force Base, S.D., April 4, 2013. Airmen assigned to the Bird Aircraft Strike Hazard program helps to minimize bird and wildlife strikes to aircraft. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)