U.S. Airmen from the 633d Medical Group assess an actor participating in a Chemical, Biological, Radiological, and Nuclear training exercise at Joint Base Langley-Eustis, Virginia, Feb. 17, 2022. Members from the 633d Air Base Wing performed the CBRN exercise as a part of an 18-month training requirement for Active Duty members in order to properly equip units for going down range. (U.S. Air Force photo by Airman 1st Class Chloe Shanes)