JOINT BASE LANGLEY-EUSTIS, Va. – U.S. Air Force Tech. Sgt. Marcus Bernard, 633d Security Forces Squadron flight sergeant, signals his team to halt during a patrol in a field exercise at Joint Base Langley-Eustis, Virginia, Nov. 1, 2022. When the patrol lead notices anything suspicious, they pass down the hand signal to alert everyone to stop and be silent. (U.S. Air Force photo by Airman 1st Class Olivia Bithell)