U.S. Air Force firefighters from the 433rd Civil Engineering Squadron, Lackland Air Force Base, Texas and the 512th Civil Engineering Squadron, Dover Air Force Base, Del., suppress a controlled fire during training May 3, 2014, at Fort McCoy, Wis. in support of exercise Patriot Warrior. United States military reserve components from all branches participate in combined exercises Patriot Warrior, Global Medic, Diamond Saber, and CSTX in preparation for upcoming deployments in joint environments. (U.S. Air Force photo by Master Sgt. Donald R. Allen/Released)