Firefighters with the 144th Fighter Wing, Fresno, Calif.,

Firefighters with the 144th Fighter Wing, Fresno, Calif., prepare to extinguish a simulated building fire during the PATRIOT North exercise at Volk Field, Wis., July 14, 2018. PATRIOT is an annual domestic operations training exercise sponsored by the National Guard that focuses on increasing the ability of local, state and federal organizations to coordinate and work together in response to a natural disaster or man-made emergency. (U.S. Air National Guard photo by Staff Sgt. Wendy Kuhn)