U.S. Air Force Staff Sgt. Latonya King, 633rd Security Forces Squadron patrolman, directs traffic during a fuel spill exercise at Langley Air Force Base, Va., Feb. 28, 2013. In this exercise, security forces create barriers so vehicles do not drive into the contaminated area. (U.S. Air Force photo by Senior Airman Brittany Paerschke-O’Brien/ Released)