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Master gunnery sergeant
US Marine Corps enlisted grade
Master gunnery sergeant
Master gunnery sergeant (MGySgt) is the 9th and highest technical enlisted grade in the United States Marine Corps. Master gunnery sergeants are staff non-commissioned officers (SNCOs) with the pay grade of E-9. As E-9s, they serve from 15 to 30 years, and advise commanders on technical subjects relating to their occupational specialty. (Sergeant Major is also at the E-9 pay grade with duties related to discipline, morale, and command-level administration.)
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