Which rank is indicated by the abbreviation O-9 in the Marine Corps?

The rank indicated by the abbreviation O-9 in the Marine Corps is Lieutenant General. This designation comes from the pay grade system used by the military, where each officer rank is classified within a specific range of pay grades.

In the Marine Corps, ranks are categorized as follows:

• O-1 is Second Lieutenant

• O-2 is First Lieutenant

• O-3 is Captain

• O-4 is Major

• O-5 is Lieutenant Colonel

• O-6 is Colonel

• O-7 is Brigadier General

• O-8 is Major General

• O-9 is Lieutenant General

• O-10 is General

Lieutenant General, as a three-star General, typically holds significant command responsibilities, often overseeing major units and operations within the Marine Corps. This rank is crucial in leadership roles and the overall strategic direction of military operations.