Training exercises enhance wartime readiness
Air Force 1st Lt. Christopher Hopkins, Air Force Nuclear Weapons Center, during function checks and M-16 rifle during an ATSO (ability to survive and operate) exercise at Hill Air Force Base, Utah, Dec. 5, 2017. Participating Airmen were evaluated on weapons procedures, self-aid and buddy care, and how to respond to contaminated environments and explosives. (U.S. Air Force photo by Paul Holcomb)