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master gunnery sergeant

(military, US) A non-commissioned officer of rank E-9 in the United States Marine Corps, ranking above a master sergeant/first sergeant and below a warrant officer.

ˈmæstɚ ˈɡʌnɚi ˈsɑɹd͡ʒənt41 viewsLast reviewed Jun 29, 2026+ Add a definition
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#1·Apr 27, 2026

(military, US) A non-commissioned officer of rank E-9 in the United States Marine Corps, ranking above a master sergeant/first sergeant and below a warrant officer. It is equal in grade to sergeant major.

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