U.S. Marine Corps Forces Korea (MARFORK) is the U.S. Marine Corps' service component for United States Forces Korea (USFK) and United Nations Command (UNC). It commands all U.S. Marine forces assigned to USFK and UNC; advises USFK and UNC on the capabilities, support, and proper employment of Marine forces; and supports the defense of the Republic of Korea (ROK) by facilitating the rapid introduction of U.S. Marine forces onto the Korean Peninsula in order to maintain stability in Northeast Asia. Additionally, MARFORK is the U.S. Marine Corps’ representative to the Commandant of the ROK Marine Corps.