U.S. Air Force Senior Airman John C. Brantley, assigned to the 165th Air Support Operations Squadron, Georgia Air National Guard, shows off his beret after graduating from Tactical Air Control Party technical training at Hurlburt Field, Fla., April 17, 2015. In the Air Force, berets symbolize membership in elite career fields, including pararescuemen, combat controllers and TAC-P. (U.S. Air Force photo by Staff Sgt. Brigitte N. Brantley/Released)