The Department of Defense (DoD) runs facilities in all 50 states, 80 countries, and 8 US territories. The DoD maintains nearly 4,000 sites, the majority serving the Army and Air Force, which claim over 1,800 and 1,700 facilities, respectively. The Navy has 970 sites, the Marine Corps has 213 sites, and the Washington Headquarters Services has 75. The majority are in the United States, with Japan, South Korea, and Germany housing most of the DoD's foreign facilities.