Senior Airman Connor Stears, center, 18th Munitions Squadron armament technician, explains the capabilities of a M61A1 Vulcan Cannon machine gun, which are typically attached to fighter aircraft, before the start of a weapons load competition at Kadena Air Base, Japan, Feb. 3, 2023. A DCMA quality assurance specialist working at a contractor facility observed a potentially unsafe action during a process review of loading a similar weapon with live ammunition at a firing range and worked with the contractor to modify the procedure to safer standards.