List of active duty United States four-star officers
Wikimedia list article

There are currently 38 active-duty four-star officers in the uniformed services of the United States: six in the Army, four in the Marine Corps, 10 in the Navy, 12 in the Air Force, four in the Space Force, two in the Coast Guard, and one in the Public Health Service Commissioned Corps. Of the eight federal uniformed services, the NOAA Commissioned Officer Corps is the only service that does not have an established four-star position.
List of designated four-star positions
Department of Defense
Joint Chiefs of Staff
Unified combatant commands
Other joint positions
Department of the Army
United States Army
Department of the Navy
United States Marine Corps
United States Navy
Department of the Air Force
United States Air Force
United States Space Force
Department of Homeland Security
United States Coast Guard
Department of Health and Human Services
United States Public Health Service Commissioned Corps
Statutory limits
The U.S. Code explicitly limits the total number of four-star officers that may be on active duty at any given time. The total number of active-duty general or flag officers is capped at 219 for the Army, 150 for the Navy, 171 for the Air Force, 64 for the Marine Corps, and 21 for the Space Force. For the Army, Marine Corps, Navy and Air Force, no more than 28% of each service's active-duty general or flag officers may have more than two stars, and statute sets the total number of four-star officers allowed in each service. This is set at eight four-star Army generals, six four-star Navy admirals, nine four-star Air Force generals, two four-star Marine generals, two four-star Space Force generals, and two four-star Coast Guard admirals.
Several of these slots are reserved by statute. For the Army and the Air Force, the chief of staff and the vice chief of staff for both services are all four-star generals. For the Navy, the chief and vice chief of naval operations are both four-star admirals. For the Marine Corps, the commandant and the assistant commandant are both four-star generals.
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