U.S. Air Force Senior Airman Kip Vaughan, 633rd Security Forces Squadron response force leader, communicates with other SFS members via radio during an exercise at Langley Air Force Base, Va., May 5, 2015. With an increased number of Security Forces members patrolling, less manning will be allocated to each gate, which means gate closures may occur during their least busy hours. (U.S. Air Force photo illustration by Airman 1st Class Devin S. Michaels/Released)