U.S. Air Force Airman 1st Class Walker James, 20th Equipment Maintenance Squadron (EMS) aircraft metals technician, adjusts a mill used to make a wrench at Shaw Air Force Base (AFB), S.C., Sept. 26, 2017. Airmen assigned to the 20th EMS metals technology flight use their metal-working and welding skills to support the maintainers at Shaw AFB. (U.S. Air Force photo by Senior Airman Ashley Maldonado)