U.S. Air Force Staff Sgt. Terence Lewis, a Metals Technology Specialist assigned to the 307th Maintenance Squadron, demonstrates the capability of an OMAX 55100 JetMachining Center at Barksdale Air Force Base, Louisiana, Aug. 4, 2018. The water jet is one of several precision machines that allow Airmen to take a repair or fabrication project from start to finish with regard to design and assembly. (U.S. Air Force photo by Staff Sgt. Callie Ware)