U.S. Air Force firefighters with the 433rd Civil Engineering Squadron (CES) and the 512th CES suppress a controlled fire during training at Fort McCoy, Wis., May 4, 2014, in support of exercise Patriot Warrior.
Patriot Warrior is a joint reserve component exercise designed to prepare reserve members of all branches for upcoming deployments. (DoD photo by Master Sgt. Donald R. Allen, U.S. Air Force/Released). Original public domain image from Flickr