Navy Enlisted Rating (Job) Descriptions and Qualification Factors
Gunner's Mate (GM)
By Rod Powers, About.com
Gunner's mates are responsible for the operation and maintenance of guided missile launching systems, gun mounts and other ordnance equipment, as well as small arms and magazines. They work with electrical and electronic circuitry; mechanical, hydraulic and pneumatic systems.
What They Do:
The duties performed by GMs include: operating and maintaining guided missile launching systems, rocket launchers, gun mounts and other ordnance systems and equipment; training and supervising crews in the use of all types of ordnance equipment, from large caliber guns and missile systems to small arms; stowing, securing, requisitioning and reclassifying explosives: operating and maintaining magazine flooding and sprinkling systems; making mechanical, electrical and electronic casualty analysis using technical publications, circuit diagrams and blueprints; repairing, maintaining, testing and calibrating ordnance equipment; servicing hydraulic and pneumatic systems; repairing, maintaining, testing and calibrating microprocessing equipment; repairing damaged hydraulic sealing surfaces, mating areas and threads; performing mechanical wire connections including soldering; operating and maintaining night optical devices; operating optical scanning and marking devices to label, identify and report explosives' utilization/expenditure.
Detailed List of Required Duties
Must have normal color perception. Must have normal hearing. Security Clearance, (SECRET) Requirement. Must be U.S. citizen.
Notes: Normal hearing required. Frequencies: 3000hz 4000hz 5000hz 6000hz Average hearing threshold level in these four frequencies must be less than 30db, with no level greater than 45db in any one frequency. If hearing level exceeds these limits, the applicant is enlistment ineligible for the rating.
Technical Training Information:
Enlistees are taught the fundamentals of this rating through on-the-job training or formal Navy schooling. Advanced technical and operational training is available in this rating during later stages of career development.
Great Lakes, IL --115 calendar days
Basic rating indoctrination/Basic technical knowledge and skills of electricity and electronics/Group instruction, lab. After completion of their Navy school training, GMs are assigned to combat ships, weapons installations, ordnance depots or other shore stations. During a 20-year period in the Navy, GMs spend about 60 percent of their time assigned to fleet units and 40 percent to shore stations.
Gunner's mates work in almost every kind of Navy environment: ship, shore, in the United States or overseas. Their work and specialties may involve indoor or outdoor situations, clean or dirty work, deck or shop, and any kind of climate or temperature. They work alone or with others, independently or closely supervised. Their work can be both mental and physical.