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MARINE CORPS RANKS. First sergeants serve as the senior enlisted Marine in a company, battery, or other unit at similar echelon, while sergeants major serve the same role in battalions, squadrons, or larger units. Master sergeants (E-8) and master gunnery sergeants (E-9) provide technical leadership as occupational specialists in their specific MOS.
Marine Ranks (Enlisted and Officers, Lowest to Highest) As with the , the United States Marine Corps (USMC) dates back to 1775 when the first battalions of men were formed under the command of Samuel Nicholas (1744-1790). Marines operate as part of the United States Navy and form the 'sea-borne infantry arm' of the American war machine - primarily...
The table below lists all the standard ranks in the U.S. Marine Corps and their respective pay grades, insignias, abbreviations, and classifications. Click any rank to view detailed information about that rank's duties, pay, promotions, and more.
United States Marine Corps Ranks In Order. The United States Marine Corps has twenty seven grades of enlisted marines and officers, with most marines enlisting at the entry-level rank of Private (Pvt, paygrade E-1). The highest rank achievable in the Marine Corps is General. Click any rank for detailed rank information including duties...
Enlisted Marine Corps Ranks Private First Class (PFC) Private first class is the second enlisted rank in the Marine Corps. Lance Corporal (LCpl) Lance Corporal is the third enlisted rank (E-3) in the Marine Corps. Corporal (Cpl) Corporal (E-4) is the most junior of the non-commissioned officer NCO ...
The First Sergeant and Sergeant Major ranks are command-oriented, with Marines of theses ranks serving as the senior enlisted Marines in a unit, charged to assist the commanding officer in matter of discipline, administration and the morale and welfare of the unit.
The ranks within the Marine System are fairly straightforward, where each rank is clearly delineated.  Officers present at Marine Headquarters are considered the elite forces of the Marines, about three ranks higher in terms of power from those of the same rank at other bases.
The one that confuses most people is the Sgt Maj rank. You can be a Sgt Maj IN the Marine corps but their is also a position as a Sgt Maj OF the Marine Corps. He is the highest ranked enlisted person in the Marines even though he holds the same rank in name.
Commissioned officers. The highest billets in the Marine Corps, the Commandant of the Marine Corps and the Assistant Commandant of the Marine Corps are, by statute, four-star ranks, as the Marine Corps is a separate naval service under the Department of the Navy.
The Marine Corps handles advancement based on its needs. Making advanced ranks in the Marines goes strictly by the numbers needed in the higher ranks. In the Marines, an E-4 (Corporal) has to earn his stripes and added responsibility, however, the promotions to the ranks of E-2 and E-3 are pretty automatic, barring any serious offense.