Unified Combatant Commands

There are 11 Unified Combatant Commands:

      ·       6 Geographical Commands 

·       5 Functional Commands

A unified combatant command (UCC) is a U.S. Department of Defense command composed of forces from at least 2 of the 3 Military Departments (Army, Navy & Air Force) and has a broad and continuing mission. These commands are established to provide effective command and control of U.S. military forces, regardless of branch of service, in peace and war.

United States Combatant Commanders' Area of Responsibility are:

1) U.S Africa Command (Founded 1947) – Commanded by General Thomas Waldhauser, U.S. Marine Corps

U.S. Africa Command (AFRICOM) is responsible for military relations with African nations, the African Union and African regional security organizations. It protects and defends the interests of the U.S. by strengthening the defense capabilities of African nations and, in cooperation with African governments, conducts military missions that increase security while deterring and defeating a variety of transnational threats.

2) U.S. Central Command (Founded 1983) – Commanded by General Ken McKenzie, U.S. Army
U.S. Central Command (CENTCOM) is responsible for operations in 20 countries that fall in the "central” area of the globe: Afghanistan, Bahrain, Egypt, Iran, Iraq, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Oman, Pakistan, Qatar, Saudi Arabia, Syria, Tajikistan, Turkmenistan, United Arab Emirates, Uzbekistan and Yemen. U.S. Central Command utilizes national and international partnerships to build cooperation among nations, respond to crisis, deter and defeat threats and support development that ultimately increases stability in the region.

 
3) U.S. European Command (Founded 1952) – Commanded by General Todd D. Wolters, U.S. Air Force
U.S. European Command (USEUCOM) works with NATO and other partner nations to address the security and defense needs of nations in Europe and parts of the Middle East and Eurasia. It coordinates with these nations to find cooperative solutions in peace and wartime alike, to plan training missions, provide humanitarian assistance and to develop strategies for promoting peace and stability in the region.

 
4) U.S. Northern Command (Founded 2002) – Commanded by General Terrance O’Shaughnessy, U.S. Air Force
U.S. Northern Command (USNORTHCOM) operates in the area of responsibility encompassing the continental United States, Alaska, Mexico, Canada, portions of the Caribbean and surrounding waters. It is primarily responsible for civil support and homeland security and also oversees the North American Aerospace Defense Command (NORAD). It has few permanent forces and is instead assigned forces by the Secretary of Defense or the President whenever required for the execution of its missions.

5) U.S. Indo-Pacific Command (Founded 1947) – Commanded by Admiral Phillip Davidson, U.S. Navy
U.S. Pacific Command (USPACOM) oversees an area of responsibility stretching from the waters of the U.S. west coast to the western border of India, and from Antarctica to the North Pole, encompassing 36 diverse nations. It and its partners work to promote the development of the region while cooperating to enhance security, deter aggression, respond with force when necessary and to provide humanitarian assistance.

6) U.S. Southern Command (Founded 1963) – Commanded by is Admiral Craig Faller, U.S. Navy
U.S. Southern Command (SOUTHCOM) oversees an area of responsibility encompassing 31 nations in Latin America south of Mexico, Central and South America, and the Caribbean Sea. It works to increase the security of the U.S. by engaging its partners to enhance the peacekeeping abilities of the region, to promote human rights, to deter illegal activities associated with illicit trafficking and to conduct multinational military exercises designed to strengthen partnerships while developing collective capabilities.

7) U.S. Cyber Command (Founded 2009) – Commanded by General Paul Nakasone – U.S. Army 

U.S. Cyber Command's (USCYBERCOM) mission is to direct, synchronize, and coordinate cyberspace planning and operations to defend and advance national interests in collaboration with domestic and international partners

8) U.S. Special Operations Command (Founded 1987) – Commanded by General Richard D. Clarke – U.S. Army
The U.S. Special Operations Command (SOCOM) is responsible for planning for and conducting special operations. It offers direct action in the form of short duration strikes and small-scale offensives, special reconnaissance, unconventional warfare, foreign internal defense, civil affairs operations, counterterrorism, psychological operations, information operations, counter-proliferation of weapons of mass destruction, security force assistance, counterinsurgency operations and any specific activities directed by the President or the Secretary of Defense.

9) U.S. Space Command (Newly Founded in 2019) – Commanded by General James H. Dickinson – U.S. Army
The U.S. Space Command (USSPACECOM) is responsible for military operations in outer space, specifically all operations above 100 kilometers above mean sea level. Their mission is "to conduct operations in, from and through space to deter conflict, and if necessary, defeat aggression, deliver space combat power for the Joint/Combined force, and defend U.S. vital interests with allies and partners."    Currently they have no Headquarters and are working on that. They represent a reemphasis on space as a war-fighting domain. The U.S. Space Command is different and separate from the newest and 6th military branch --- U. S. Space Force. It is not clear what is their relationship . 

10)  U.S. Strategic Command (Founded 1992) – Commanded by General John Hyten – U.S. Air Force
The U.S. Strategic Command (USSTRATCOM) HQ is at Offutt Air Force Base in Omaha, Nebraska. It conducts global operations in partnership with other Combatant Commands, services and U.S. government agencies to deter and detect strategic attacks against the U.S. It is responsible for command of U.S. nuclear capabilities, space operations, global surveillance and reconnaissance, intelligence, communications, computers, global missile defense and combatting weapons of mass destruction.

11) U.S. Transportation Command (Founded 1987) – Commanded by General Stephan R. Lyons – U.S. Army
The U.S. Transportation Command (USTRANSCOM) provides the Department of Defense with an aggregate of transportation capabilities and assets. Together with commercial partnerships, it enables a diverse array of joint mobility missions.

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