What does GMMC mean in NAVY

The primary responsibility of a Gunner's Mate is to maintain and operate weapons systems, armaments, and other related equipment on board Navy vessels. They are responsible for the maintenance of machine guns, small arms, mortars, torpedoes, depth charges, and other types of weaponry. A Gunner's Mate also provides fire control expertise as well as training in weapon systems operation and safety procedures.

To become a Gunner's Mate one must have completed at least three years active obligation in any branch of the armed forces or four years reserve duty in any branch except for the Coast Guard. One must have obtained an Armed Forces Qualification Test score of at least 175 and have obtained at least 50% proficiency in each category tested. Additionally one must possess either an electronics technician rating or be certified by the National Institute for Certification in Engineering Technologies (NICET).

As a Gunner's Mate Chief Petty Officer (GMMC), it is expected that one will possess leadership skills and act as an authority figure when operating weaponry or supervising personnel operations involving weapon systems aboard Navy vessels. They are responsible for maintaining records relating to ammunition expenditures and safety precautions associated with firearms operations. GMMC's may also assist officers with personnel management matters related to their division or department onboard the vessel such as enforcing performance requirements or addressing disciplinary issues when necessary.

Yes! The Marine Corps offers its own rating recognition program that allows qualified Marines to train for positions such as gunners mate while they remain on active duty with the Marine Corps. This program enables Marines who demonstrate success in both training courses and operational experiences gain exposure to advanced weapons systems before transferring into the Navy's gunners mate rating upon completion of their enlistment agreement with the Marine Corps.

Yes! As part of their job duties, GMMCs utilize several specialized pieces of equipment including binoculars which allow them greater visibility during warfare conditions; infrared vision goggles that allow them greater night vision capabilities; laser range finders used to calculate distance; tools necessary for disassembling weapons; and various other pieces important for day-to-day operations dealing with weapon systems aboard naval vessels.