U.S. Air Force Airman 1st Class Dawson McCartney, 33rd Maintenance Squadron aerospace ground equipment technician, practices soldering wires at Eglin Air Force Base, Florida, June 17, 2021. Soldering is used to repair wires in equipment rather than replacing the entire line, saving time and money. (U.S. Air Force photo by Senior Airman Heather LeVeille)