361st TRS metals technology apprentice course
Airman 1st Class Matthew Mathis, 361st Training Squadron metals technology apprentice course student, performs a vertical uphill aluminum tungsten inert gas welding at Sheppard Air Force Base, Texas, Feb. 7. 2018. Mathis is in the seventh and final block of the metal technician apprentice course. (U.S. Air Force photo by Alan R. Quevy)

Download Image: Full Size (3.45 MB)
Photo by: Alan R. Quevy |  VIRIN: 180207-F-WQ255-0029.JPG