U.S. Marine Corps a noncommissioned officer ranking above a staff sergeant and below a master sergeant or first sergeant
- A noncommissioned rank in the US Marine Corps that is above staff sergeant and below master sergeant and first sergeant.
- One who holds this rank.
(plural gunnery sergeants)
- (military, US) A non-commissioned officer of rank E-7 in the United States Marine Corps, ranking above a staff sergeant and below a master sergeant or first sergeant.