O-10 in the Marine Corps refers to which rank?

In the Marine Corps, the rank of O-10 refers to General. This designation is based on the pay grade system used by the military, where officer ranks are assigned a specific letter (O for officer) followed by a number that indicates their level. O-10 is the highest pay grade for commissioned officers in the Marine Corps and is held by only a few individuals at any given time. A General typically commands large units or serves in high-level staff positions, making critical decisions for military operations.

The other ranks mentioned—Brigadier General (O-7), Major General (O-8), and Lieutenant General (O-9)—rank below General and have different responsibilities and command levels within the Marine Corps hierarchy. Understanding these distinctions helps clarify the structure and command relationships within the military.