The United States Forces Korea (USFK) is a subordinate unified command of U.S. Indo-Pacific Command (USINDOPACOM). USFK was initially established in 1957, and encompasses U.S. combat-ready fighting forces and components under the ROK/US Combined Forces Command (CFC) – a supreme command for all of the South Korean and U.S. ground, air, sea and special operations component commands. Major USFK elements include U.S. Eighth Army (EUSA), U.S. Air Forces Korea (Seventh Air Force), U.S. Naval Forces Korea (CNFK), U.S. Marine Forces Korea (MARFORK) and U.S. Special Operations Command Korea (SOCKOR).
The mission of USFK is to support the United Nations Command (UNC) and Combined Forces Command by coordinating and planning among U.S. component commands, and exercise operational control of U.S. forces as directed by United States Indo-Pacific Command. In addition, USFK is responsible for organizing, training and equipping U.S. forces on the Korean Peninsula, as well as executing ancillary functions such as non-combatant evacuation operations.