U.S. Air Force Senior Airman Crystal Wood, 633rd Security Forces Squadron base defense operations controller, communicates with other SFS members via radio during an exercise at Langley Air Force Base, Va., May 5, 2015. Langley’s Security Forces members are attempting to increase their patrolling manpower to further increase Joint Base Langley-Eustis patrons’ safety at Langley and in off-base housing. (U.S. Air Force photo illustration by Airman 1st Class Devin S. Michaels/Released)