Airman 1st Class Kathleen Lyons, 316th Security Forces Squadron gate entry controller, backs up Pinkerton Officer Marc Oakcrum, as he checks the ID of an Andrews visitor at the Main Gate Tuesday. 316 SFS members, Pinkerton Security and Naval Air Facility of Washington personnel work 24/7 to ensure the security of Joint Base Andrews entry points. (U.S. Air Force photo by Bobby Jones)