Airmen gun for a 72 hour turnaround
U.S. Air Force Airman 1st Class James Oldham, 355th Equipment Maintenance Squadron armament team member, installs safety wires on a GAU-8 Avenger 30 mm cannon from an A-10C Thunderbolt II at Davis-Monthan Air Force Base, Ariz., Jan. 17, 2018. With regular inspections and maintenance, the life cycle of the cannon can reach 250,000 rounds fired, or 10 to 15 years. (U.S. Air Force photo by Airman 1st Class Michael X. Beyer)