5th Maintenance Squadron: aircraft metals technician Published Feb. 1, 2017 By Senior Airman Kristoffer Kaubisch MINOT AIR FORCE BASE, N.D. -- Airman 1st Class Devin Painter, 5th Maintenance Squadron aircraft metals technician, welds a piece of titanium at Minot Air Force Base, N.D., 24 Jan., 2017. Aircraft metals technicians weld, fabricate and custom-make metal components critical to the functioning of the aircrafts. (U.S. Air Force photo/Senior Airman Kristoffer Kaubisch)