Marine Corps Ranks
The 0-# or E-# indicates a pay grade, so Lieutenant Colonel and Colonel would receive the same base pay, however, the Colonel would be a little higher in the ranking food chain. The same goes for Master Seargeant and First Sergeant in the enlisted world.
JAG; Commander Harmon Rabb; Colonel Sarah MacKenzie
Commissioned Officers
O-9 General (Four stars)
O-8 Lieutenant General (Three stars)
O-7 Major General (Two stars)
O-6 Brigadier General (One star)
O-5 Colonel (Silver eagle)
O-5 Lieutenant Colonel (Silver oak leaf)
O-4 Major (Gold oak leaf)
O-3 Captain (Two silver bars)
O-2 First Lieutenant (Single silver bar)
O-1 Second Lieutenant (Single gold bar)
Enlisted Personnel
E-9 Sergeant Major of the Corps
E-9 Sergeant Major
E-9 Master Gunnery Sergeant
E-8 First Sergeant
E-8 Master Sergeant
E-7 Gunnery Sergeant
E-6 Staff Sergeant
E-5 Sergeant
E-4 Corporal
E-3 Lance Corporal
E-2 Private First Class
E-1 Private