U.S. Air Force Staff Andrew Walker, a fabrication specialist with the 379th Expeditionary Maintenance Squadron uses a manual lathe to create a cylindrical part at Al Udeid Air Base, Qatar, June 5, 2017. Walker is part of a team of machinists and welders which are trained on a wide range of manual and computer numerical controlled machines to manufacture and repair aircraft components and support equipment. (U.S. Air Force photo by Tech. Sgt. Amy M. Lovgren)