U.S. Air Force Airman 1st Class Joshua Tears-Knapp, 23d Equipment Maintenance Squadron aircraft metals technology journeyman, uses a metal inert gas welder to fabricate a bracket, March 18, 2016, at Moody Air Force Base, Ga. Metals technology technicians support perform 3,000 fabrication and repair jobs annually in support of approximately 70 aircraft and nearly 700 aerospace ground equipment units on base. (U.S. Air Force photo by Airman 1st Class Greg Nash/Released)