How many Marine Divisions (MARDIV's) are currently part of the USMC?

The U.S. Marine Corps currently organizes its combat forces into a structure that includes three active-duty Marine Divisions. Each Marine Division has a distinct role within the larger framework of the Corps, and they are essential for fulfilling the diverse operational requirements of the U.S. military.

This structure allows the Marine Corps to maintain a balanced force capable of rapid response and amphibious operations. The three divisions – the 1st Marine Division, 2nd Marine Division, and 3rd Marine Division – are strategically located to support operations across various theaters globally. This organization is a critical aspect of the Marine Corps' ability to project power and maintain readiness in joint force operations.

The number of divisions reflects the Marine Corps' commitment to sustaining a robust and versatile infantry element, which is fundamental to their expeditionary nature and overall mission in the defense strategy of the United States.