Officer technical managers in the field of operations and maintenance of aviation ordnance and aircraft armament. They manage and direct the activities of aviation ordnance personnel in the performance of aviation operational, test, research, and maintenance functions involving aviation ordnance and aircraft armament; establish new aviation ordnance and armament maintenance procedures and methods; plan, organize, and direct the operation of aviation ordnance activities; and provide technical assistance and advice pertaining to aviation ordnance and armament. An Officer of the Regular Navy who is on the retired list.