U.S. Air Force firefighters check for the heat source of a simulated three-story building fire as a part of Patriot Warrior 2018 at Dobbins Air Reserve Base, Georgia, Aug. 17, 2018. Firefighters with the 624th Civil Engineer Squadron from Joint Base Pearl Harbor-Hickam, Hawaii, 446th CES from Joint Base Lewis-McChord, Washington and the 514th CES from Joint Base McGuire-Dix-Lakehurst, New Jersey, trained together as one team. Patriot Warrior is an Air Force Reserve exercise designed to prepare Reserve Citizen Airmen for world-wide deployments and provides knowledge and experience to strengthen home station training programs. (Air Force photo by Master Sgt. Theanne Herrmann)