U.S. Senior Airman Larry Thompson and Airman 1st Class Nathan Smalkoski battle a plane fire during the Patriot Exercise at Volk Field in Camp Douglas, Wis., July 17, 2013. Patriot Exercise is a domestic operations scenario to assess the National Guard's ability to assist state and local agencies in response to multiple emergencies. More than 1,100 U.S. Service members and civil authorities, to include the FBI, Department of Health and Human Services and a variety of state agencies, were to participate in the exercise. (U.S. Army National Guard photo by Staff Sgt Michael Monroe/Released)