|Unified Combat Commands|
Commands composed of forces from two or more services, has a broad and continuing mission and is normally organized on a geographical basis. The number of unified combatant commands is not fixed by law or regulation and may vary from time to time.
|United States Central Command (USCENTCOM)|
Responsible for U.S. security interests in 25 nations that stretch from the Horn of Africa through the Arabian Gulf region, into Central Asia.
|United States European Command (USEUCOM)|
Responsible for all U.S. Army, Navy, Air Force, Marine Corps and Special Forces activities in more than 13 million square miles of Europe, Africa and the Middle East.
|United States Joint Forces Command (USJFCOM)|
Oversees military operations in the North Atlantic geographic area and supports the other commanders-in-chief in their geographic regions around the world.
|United States Northern Command (USNORTHCOM)|
Plans, organizes, and executes homeland defense and civil support missions.
|United States Pacific Command (USPACOM)|
Promotes peace, deters aggression, responds to crises and, if necessary, will fight and win to advance security and stability throughout the Asia-Pacific region.
|United States Southern Command (USSOUTHCOM)|
Responsible for all U.S. military activities in South America and Central America. Encompasses nineteen countries, represents about one-sixth of the world's land mass and covers about seven million square miles, stretching 6,000 miles from Mexico's southern border to Cape Horn.
|United States Special Operations Command (USSOCOM)|
SOCOM is the unified command for the worldwide use of Special Operations elements of the Army, Navy, Air Forces and Marine Corps.
|United States Transportation Command (USTRANSCOM)|
TRANSCOM ensures timely, customer-focused global mobility in peace and war with efficient, effective and integrated transportation from origin to destination. Scott Air Force Base, IL.