Tech. Sgt. Devin Street, 931st Maintenance Squadron, runs a piece of sheet metal through a slicer at McConnell Air Force Base, Kan., Jan. 22, 2015. Street, who works in the Aircraft Structural Maintenance Shop, is helping upgrade the galleys used in the KC-135 Stratotankers. (U.S. Air Force photo by Tech. Sgt. Abigail Klein)