U.S. Air Force Staff Sgt. Cody Reynolds, combat arms instructor assigned to the 97th Security Forces Squadron, instructs Airmen on weapon assembly, Jan. 10, 2018, at Altus Air Force Base, Okla. More than 100 members of Altus AFB received training in self-aid buddy care, weapons skills and chemical, biological, radiological and nuclear defense during the Ability to Survive and Operate (ATSO) Rodeo. (U.S. Air Force photo by Senior Airman Kirby Turbak)