master sergeant
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Tweet n. 1. a. A noncommissioned rank in the US Army that is above sergeant first class and below the position of sergeant major. b. A noncommissioned rank in the US Air Force that is above technical sergeant and below senior master sergeant. c. A noncommissioned rank in the US Marine Corps that is above gunnery sergeant and below the position of sergeant major. 2. One who holds any of these ranks or a similar rank in another military organization. |
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