Airman Robert Hausen, 92nd Maintenance Squadron aircraft structural maintainer, operates a power sheer to cut a piece of sheet metal Aug. 6, 2010, at Fairchild Air Force Base, Wash. Structural maintenance airmen are trained to use metalworking equipment and tools to form, cut, bend, and fasten parts of damaged structures and components (U.S. Air Force Photo/Airman 1st Class Natasha E. Stannard)