United States Strategic Command (USSTRATCOM)
- STRATCOM deters military attack on the United States and its allies, and should deterrence fail, employs forces to achieve national objectives.
- http://www.stratcom.mil/

United States Northern Command (USNORTHCOM)
- Plans, organizes, and executes homeland defense and civil support missions.
- http://www.northcom.mil/

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.
- http://www.jfcom.mil/

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.
- http://www.socom.mil/

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.
- http://www.transcom.mil/

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.
- http://www.pacom.mil/

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.
- http://www.eucom.mil/

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.
- http://www.centcom.mil/

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 southe
- http://www.southcom.mil/home/