Staff Sgt. Patrick Guthrie, 92nd Civil Engineer Squadron firefighter crew chief, supports Airman 1st Class Shawn Mercer, 92nd CES firefighter, while demonstrating how to properly use a fire hose May 25, 2016, at Fairchild Air Force Base, Wash. According to Mercer, knowing how to control the path of the fire and protecting the surrounding buildings, is one of the most important skills a firefighter possesses. (U.S. Air Force photo/Airman 1st Class Taylor Shelton)