The United States Navy Department was established in 1798, after the United States War Department, the US War Department was established in September 17891the United States Navy Department. has the task of supplying, providing technical and administrative assistance to the US Navy and Marine Corps; when ordered by the Congress or the President of the United States, the United States Coast Guard is also placed under this department. From its inception to 1947, the United States Department of the Navy was the ministry level in the government, reporting directly to the President of the United States as a government advisor, on par with the War Department of the United States holding the Army and forces. The air force belongs to the Army. In 1947, the Ministry of Navy and the Ministry of War and other military divisions merged to form the National Military Establishment - National Military Establishment. In 1949, the National Military Organization was renamed the United States Department of Defense, so the Department of the Navy became a department under the United States Department of Defense until now. The sovereignty of the State of Vietnam over the two archipelagos of Hoang Sa and Truong Sa is evidenced on the charts of French Indochina and the East Sea in the US Navy's international geographic dictionary.
