Marine Gunnery Sergeant Duties


According to the Military Professional Development Center, the gunnery sergeant is the backbone of the U.S. Marine Corps Staff Noncommissioned Officer ranks. To be considered for this rank, Marines must have at least six years of service history, and recommendation from a commander. This prestigious rank involves a number of important duties.


  • A lot of the gunnery sergeant's responsibilities fall in the realm of training. The gunnery sergeant sets an example of leadership and professionalism for subordinate Marines, which involves a lot of training and supervision.
    Gunnery sergeants train subordinate Marines in their Military Occupational Specialties, or MOS. A Marine's MOS is his job on the battle field, such as reconnaissance, artillery or communications. Proper training in these fields will ensure a Marine's success, and much of a Marine's training in his MOS will come from the gunnery sergeant.
    Gunnery sergeants provide direct training for job specialties and set an example for subordinate Marines to follow in regards to basic Marine behavior and appearance. Gunnery sergeants are accountable for the actions of all subordinates under their command.


  • The gunnery sergeant, like many middle-management professionals, provides a link between the individual Marines and the larger Marine organization.
    Gunnery sergeants implement policies, changes and orders established by higher officers. The sergeants make sure that the enlisted Marines understand their orders and carry them out properly.
    Gunnery sergeants also provide documentation and advice to enlisted Marines in regard to policies, procedures and regulations implemented by Marine commanders, such as how to apply for MOS or advancement.


  • Gunnery sergeants plan and see out day-to-day unit operations for the Marine Corps platoons when they are not assigned to larger duties. This includes equipment management.
    The gunnery sergeant ensures that weapons and equipment, including group artillery, vehicles and other tools, are reading for use at any time. They are also responsible for keeping the unit's facilities and work areas neat and workable.

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