Air Force Staff Sgt. Steven Chamberlain, 355th Equipment Maintenance Squadron gun section supervisor, performs a fixture check on elements before reassembly at Davis-Monthan Air Force Base, Ariz., Oct. 25, 2016. There are 161 ammunition-carrying elements that if not properly inspected, could cause a failure to fire or damage to the weapon system.

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Keywords: air, america, archive, arizona, armed, army, davis-monthan, defence, dmafb, force, forces, gatling, gau-8/, gun, maintenance, military, navy, reportage, service, serviceman, servicemen, soldier, states, tucson, united, usa