sergeant - any of several noncommissioned officer ranks in the army or air force or marines ranking above a corporalcolor sergeant - a sergeant in a color guard who carries one of the colors gunnery sergeant - a noncommissioned officer ranking above a staff sergeant in the marines master sergeant - a senior noncommissioned officer in the army or air force or marines staff sergeant - a noncommissioned officer ranking above corporal and below sergeant first class in the army or marines or above airman 1st class in the air force technical sergeant - a noncommissioned officer ranking below a master sergeant in the air force or marines |