U.S. Air Force Lt. Col. Lidia Iyassu, 633d Security Forces Squadron commander, congratulates her Airmen after a job well done following a gate runner exercise at Joint Base Langley-Eustis, Virginia, Feb. 25, 2022. Langley Defenders undergo rigorous training to ensure they are ready to go at a moment’s notice. (U.S. Air Force photo by Airman 1st Class Chloe Shanes)