A day as a defender
Staff Sgt. Tyler Bush, Base Defense Operations Center controller, and Staff Sgt. Alexander Parrilla, BDOC controller, review procedures July 20, 2016, at Buckley Air Force Base, Colo. BDOC maintains positive security of the base, controls the dispatch and alarm systems and entry control procedures while also providing emergency services to Buckley and local authorities. (U.S. Air Force photo by Airman 1st Class Gabrielle Spradling/Released)