U.S. Military Structure Chart
Understanding the organizational structure of the United States Armed Forces.
Department of Defense
The Department of Defense (DoD) is the federal department responsible for coordinating and supervising all agencies and functions of the government related to national security and the U.S. Armed Forces.
Service Branches
Army
Largest branch, responsible for land-based military operations.
Navy
Naval warfare and power projection capabilities.
Air Force
Aerial warfare and air superiority operations.
Marine Corps
Rapid response force, part of the Department of the Navy.
Coast Guard
Maritime security, search and rescue, and law enforcement.
Space Force
Space operations and 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