JOINT BASE LANGLEY-EUSTIS, Va. – U.S. Air Force Senior Airman Kiyon Robinson, 633d Security Forces Squadron base defense operations center controller, peers around the wall to check for any threats during an exercise at Joint Base Langley-Eustis, Virginia, Nov. 1, 2022. Threat identification is critical to ensure base security, and the defenders must be able to quickly identify friend or foe in different situations. (U.S. Air Force photo by Airman 1st Class Olivia Bithell)