Tech. Sgt. James Gomez, 433rd Aircraft Maintenance Squadron machinist and welder, describes how a computer numerical control machine is used to create replacement parts for the C-5M Super Galaxy to Rowlett High School Air Force Junior Reserve Officer’s Training Corps cadets at Joint Base San Antonio-Lackland, Texas Nov. 9, 2018. The cadets also visited the structural shop as well. (U.S. Air Force photo by Master Sgt. Kristian Carter)