U.S. Air Force firefighters with the 433rd Civil Engineering Squadron (CES) and the 512th CES practice putting out a structure fire during exercise Patriot Warrior 2014 at Fort McCoy, Wis., May 2, 2014.
Patriot Warrior is a joint reserve component exercise designed to prepare reserve members of all branches for upcoming deployments. (DoD photo by Tech. Sgt. Dan St. Pierre, U.S. Air Force/Released). Original public domain image from Flickr