U.S. Air Force Senior Airman David Norgaard, 1st Maintenance Squadron Aircraft metals technology journeyman, performs metal inert gas welding at Joint Base Langley-Eustis, Virginia, Nov. 13, 2019. Metals technology Airmen use various tools to ensure each part they fabricate is assembled correctly and will safely support flight line operations and improve mission efficiency. (U.S. Air Force photo by Airman 1st Class Zoie Cox)