913A Armament Systems Maintenance Warrant Officer

The Army MOS 913A is the Armament Systems Maintenance Warrant Officer. The 913A manages the activities and personnel who maintain and repair small arms, field artillery, and armament systems. They also supervise inspections and check-out procedures, and direct shop operations.

The 913A oversees the inspection, repair, replacement, and modification of armament materiel. They also manage unit calibration requirements, unit level oil analysis program, maintenance and services scheduling, and vehicles.