View Here : Ranks In Marine
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.
As with the United States Army, 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 assaulting enemy positions by way of amphibious means.
Sergeant Major of the Marine Corps NOTE 1: The E-8 and E-9 levels each have two ranks per pay grade, each with different responsibilities. Gunnery Sergeants indicate on their annual evaluations, called "fitness reports," or "fitreps" for short, their preferred promotional track: Master Sergeant or First Sergeant.
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.
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 .
Marine Corps Non-Commissioned Officer (NCO) Ranks (E-4 through E-5) The Marine Non-Commissioned Officer (NCO), the Marine Corps ranks of Corporals and Sergeants, hold a special position in the Corps.
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.