U.S. Air Force Tech. Sergeant Lauren Yancy, emergency management NCOIC, 633d Civil Engineer Squadron (front) and Senior Airman Dexter Poole, emergency manager, 633d Civil Engineer Squadron complete their portion of a Chemical, Biological, Radiological and Nuclear exercise at Joint Base Langley-Eustis, Virginia, Feb. 17, 2022. Langley personnel executed multiple safety protocols and procedures, while working through a mock crime scene during a CBRN exercise. (U.S. Air Force photo by Airman 1st Class Chloe Shanes)