Master Sgt. James McGarvey, 100th Civil Engineer Squadron emergency management section chief, discusses chemical, biological, radiological, nuclear and explosive procedures during a readiness exercise at RAF Mildenhall, England, Feb. 10, 2020. The main purpose of the exercise was to demonstrate how rapidly Bloody Hundredth Airmen are able to organize an entire wing and deal with simulated real-world scenarios. (U.S. Air Force photo by Staff Sgt. Luke Milano)