U.S. Air Force Airman Basic Jeffery Jenkins, aircraft metals technology technician from the 31st Maintenance Squadron, welds the MJ-1 STEP, July 1, 2019 at Aviano Air Base, Italy. The 31st MXS provides accessory maintenance, avionics, periodic phase inspections, fabrication, and aerospace ground equipment, for 50 assigned F-16C/D aircraft. (U.S. Air Force photo by Airman 1st Class Ericka A. Woolever)