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The Sergeant Major of the Marine Corps is chosen by the Commandant of the Marine Corps to serve as his advisor and as the preeminent and highest ranking enlisted Marine with a protocol equivalency of a lieutenant general. The Sergeant Major of the Marine Corps is selected by the Commandant of the Marine Corps and typically serves a four-year term with them, though his service is at the discretion of the Commandant.
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Sergeant Major Michael P. Barrett Sergeant Major of the Marine Corps
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Pentagon Building, Room 2C253 (703) 695-3891 smb_hqmc_ler_ptgz@usmc.mil
Mann Hall, Building 2004, 1st Deck (703) 784-2049 smb_hqmc_ler_quan@usmc.mil
HQs MARCORSYSCOM, Building 2200, 2nd Deck (571) 732-7835 carina.alcaraz@usmc.mil