United States Naval Hospital Yokosuka Japan with its eight branch clinics are US Navy medical treatment facilities catering to the medical needs of eligible Sailors, Marines, Soldiers, Airmen, family members, U.S. government employees, retired military service members and other eligible beneficiaries of the Forward Deployed Naval Forces on mainland Japan, Korea and Diego Garcia. The core hospital is located on board Commander Fleet Activities Yokosuka with branch clinics serving Naval Air Facility Atsugi, Combined Arms Training Center Camp Fuji, Commander Fleet Activities Chinhae Korea, Naval Support Activity Diego Garcia, Marine Corps Air Station Iwakuni and Commander Fleet Activities Sasebo.U.S. Naval Hospital Yokosuka staff is composed of active duty service members, U.S. Civil Servants (USCS), contract employees and Japan Master Labor Contract (MLC) employees.HistoryThe core hospital is located on the grounds of the original hospital compound built in 1881 for the Imperial Japanese Navy. Earthquake and fire destroyed those buildings in 1923. The Imperial Japanese Navy rebuilt the hospital in February 1931 as a medical center and training school. At the end of World War II, American Occupational Forces used the facility as a 250-bed hospital dispensary. On September 11, 1950, at the beginning of the Korean War, the hospital was established.The command received its first Navy Unit Commendation for treatment of over 5,800 casualties from the Korean War. A second Navy Unit Commendation was awarded for services rendered during the Vietnam War. In 1973, the base was revitalized with the arrival of the aircraft carrier USS Midway and the start of the Overseas Family Residency Program. Due to the increased importance of the Middle East and Far East theatres, a new hospital facility was built in 1980 and opened on February 10, 1981.