Sergeant major of the Marine Corps (E-9)
The sergeant major of the Marine Corps (SMMC) is the senior enlisted Marine of the whole Marine Corps, pay grade E-9. The insignia is three chevrons over the eagle, globe and anchor between two stars, over four rockers.
Easily confused with
- Sergeant major (E-9)Sergeant major (SgtMaj) is one of two Marine Corps enlisted ranks at pay grade E-9, the one that advises a commander. Its insignia is three chevrons over a star over four rockers.
- Sergeant major of the Army (E-9)An eagle between two stars on both; the Marine Corps emblem over four rockers, the Great Seal eagle over three arcs.
How to read it
One Marine holds the post at a time, personally selected by the commandant. It is paid as E-9, like the sergeant major and master gunnery sergeant. The Department of Defense names the sergeant major of the Marine Corps with the other services’ senior enlisted leaders as the spokespersons of the enlisted force at the highest levels of their services. The Marine Corps says this post and the Marine Gunner are the only ones that wear a modified rank insignia in place of the usual one. The emblem in the middle is the eagle, globe and anchor, the Marine Corps emblem.
Also searched as: SgtMajMC, SMMC.
Ranks and insignia as the Marine Corps’ own orders and pages set them out. Pay grades are the Department of Defense’s.
Sergeant major of the Marine Corps or sergeant major?
A sergeant major has a single star between the chevrons and four rockers. The sergeant major of the Marine Corps has the Marine Corps emblem there, with a five-pointed star on each side.
The Army’s version
The sergeant major of the Army also has an eagle between two stars: the eagle from the Great Seal of the United States, over three arcs. The Marine version has the eagle, globe and anchor, over four rockers. Defense.gov abbreviates the Marine title SgtMajMC; the Marine Corps’ own rank list uses SMMC.
More marine Corps ranks
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Sources
- Marine Corps Ranks, marines.mil, Ranks, United States Marine Corps, Enlisted
- Officer Knowledge (Officer Development School), Officer Training Command Newport, ODS Knowledge Book, Naval Service Training Command, U.S. Navy, Marine Corps Enlisted Rank Structure
- U.S. Military Rank Insignia, Resources: U.S. Military Rank Insignia (enlisted and officer insignia by paygrade), U.S. Department of Defense (defense.gov), Enlisted insignia, E-9
- Enlisted Fleet Marine Force Warfare Specialist study guide, 1st Marine Logistics Group, EFMFWS study guide and PQS, 1st Marine Logistics Group, U.S. Marine Corps, FMF warfare device
- DA Pamphlet 670-1, Guide to the Wear and Appearance of Army Uniforms and Insignia, DA PAM 670-1, 26 January 2021, Headquarters, Department of the Army (Army Publishing Directorate), para 21-7a(2), p. 176
Last reviewed September 29, 2026 by Rory Hansen. How we research