The United States Army Pacific (USARPAC) is an Army Service Component Command (ASCC) of the United States Army and is the army component unit of the United States Indo-Pacific Command. The main areas that this command has jurisdiction in include Hawaii, Alaska, the Pacific Ocean, South Korea and Japan. It also performs missions in Southeast Asia, in the countries stretching from the Philippines all the way to Bangladesh and India. United States Forces Korea (USFK) has operational command and control on US Forces in Korea since January 2012, and USARPAC headquarters oversees the manning, training, and equipping of US Army forces assigned to USFK.
However, subordinate units of this command sometimes perform humanitarian missions in places such as Haiti, Cuba, and the Middle East.