Firefighters with the 944th Civil Engineer Squadron at Luke Air Force Base, Ariz., 445th Civil Engineer Squadron, Wright Patterson AFB, Ohio, 932nd Civil Engineer Squadron, Scott AFB, Ill., and the 910th Civil Engineer Squadron, Youngstown, Ohio, conduct fire pit training during exercise Patriot Warrior at Sparta/Fort McCoy Airport, Wis., Aug. 11, 2017. Patriot Warrior is an Air Force Reserve training exercise designed to enhance wartime skills in a deployment-type environment and evaluate the ability of units to deploy mobility airlift and agile combat support capabilities in support of joint theater operations. (U.S. Air Force Photo/Tech. Sgt. Efren Lopez)