U.S. Military Structure Chart
Understanding the organizational structure of the United States Armed Forces.
Department of Defense
The Department of Defense coordinates the U.S. Armed Forces and supports the agencies and commands responsible for national defense.
Service branches
Army
Land-based military operations.
Navy
Naval warfare and sea power projection.
Air Force
Air superiority and aerial operations.
Marine Corps
Rapid response force under the Department of the Navy.
Coast Guard
Maritime security, rescue, and law enforcement.
Space Force
Space operations and defense capabilities.
Unit hierarchy
Squad8-14 soldiers
Platoon16-44 soldiers
Company100-250 soldiers
Battalion300-1,000 soldiers
Brigade3,000-5,000 soldiers
Division10,000-15,000 soldiers
Corps20,000-45,000 soldiers