Welding Work Air Force Tech. Sgt. Gregory Kirchner welds a metal plate in the metals fabrication shop at Joint Base Elmendorf-Richardson, Alaska, Jan. 27, 2017. Kirchner is assigned to the 3rd Maintenance Squadron. The aircraft metals technology airmen measure broken or worn parts, draw working sketches, make templates, perform precision grinding and remove deposits from parts. They also write programs for machines using manual and computer-aided manufacturing. Air Force photo by Justin Connaher SHARE: Download: Full Size (2.71 MB) Credit: Justin Connaher VIRIN: 170127-F-LX370-0046A.JPG Photo Gallery