U.S. Army Spc. Adam North, South Dakota Army National Guard 451st Engineering Detachment Firefighting Team specialist, practices evacuation techniques in a simulated burning structure as part of the 2014 Golden Coyote exercise at Ellsworth Air Force Base, S.D., June 11, 2014. The exercise allows firefighters to safely improve search and rescue capabilities and fire response skills. (U.S. Air Force photo by Senior Airman Zachary Hada/Released)