Tech. Sgt. Gregory Kirchner, a native of Detroit, assigned to the 3rd Maintenance Squadron, welds a metal plate in the metals fabrication shop on Joint Base Elmendorf-Richardson, Alaska, Jan. 27, 2017.
The Aircraft Metals Technology Airmen measure broken or worn parts, draw working sketches, make templates, perform precision grinding and remove poisonous or corrosive deposits from parts, and write programs for machines using manual and computer-aided manufacturing. (U.S. Air Force photo/Justin Connaher)
Original public domain image from Flickr