The United States Army Central (USARCENT), and the United States Air Forces Central Command (USAFCENT), both headquartered at Shaw Air Force Base in South Carolina, the United States Marine Forces Central Command (USMARCENT), headquartered at MacDill Air Force Base, Florida and the United States Naval Forces Central Command (USNAVCENT), headquartered at Naval Support Activity Bahrain in the Kingdom of Bahrain. MacDill Air Force Base also hosts a Sub-unified command called the Special Operations Command Central (USSOCCENT).[citation needed]