Navy Dads

Gunner's Mate
Gunner's Mates operate and maintain all gunnery equipment, guided-missile launching systems, rocket launchers, guns, turrets, and associated equipment. They repair electrical, electronic, hydraulic and mechanical systems, and make detailed casualty analysis. They test ammunition, missiles and their ordnance components. GMs train and supervise personnel in the handling and stowage of ammunition, missiles, and assigned ordnance equipment.


Gunner's mates (GM) 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.


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.


Working Environment

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.

Security Clearance Requirement: Secret


Other Requirements

  • Must have normal color perception
  • Must have normal hearing (see below)
  • Must be a U.S. Citizen

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.


Sea/Shore Rotation for This Rating

  • First Sea Tour: 42 months
  • First Shore Tour: 36 months
  • Second Sea Tour: 36 months
  • Second Shore Tour: 36 months
  • Third Sea Tour: 36 months
  • Third Shore Tour: 36 months
  • Fourth Sea Tour: 36 months
  • Forth Shore Tour: 36 months

Note: Sea tours and shore tours for sailors that have completed four sea tours will be 36 months at sea followed by 36 months ashore until retirement.



Gunners Mate 1st Class Todd Waldon and Fire Controllman 2nd Class Michael Sprague, both assigned to the guided-missile cruiser USS Normandy (CG 60), load a .50 caliber machine gun.

Atlantic Ocean (Aug. 10, 2009) Gunners Mate 1st Class Todd Waldon and Fire Controllman 2nd Class Michael Sprague, both assigned to the guided-missile cruiser USS Normandy (CG 60), load a .50 caliber machine gun during a crew served weapons live-fire exercise. Normandy is preparing for a force protection exercise in September. (U.S. Navy photo by Ensign Adam R. Cole/Released)


Atlantic Ocean (March 16, 2006) - Gunners Mate 3rd Class Thomas Madden stationed aboard the amphibious assault ship USS Bataan (LHD 5) shoots an M-60 machine gun, during live fire qualifications. Bataan is underway preparing for an upcoming deployment. U.S. Navy photo by Lithographer 3rd Class Justin S. Webster (RELEASED)

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