Major general (United States) fact that at his death George Washington was officially listed as holding the rank of lieutenant general, rather than full general, and it was regarded as improper for an officer to hold a rank equal to or superior to Washington's. To address this anomaly, Washington was posthumously promoted by Congress to the rank of General of the Armies of the United States in 1976. The position of Major General Commanding the Army was entitled to wear three stars according to General Order No. 6 of March 13, 1861. When Ulysses S. Grant was appointed lieutenant general on March 9, 1864,
General of the Armies appointment "to the office of General of the Armies of the United States" was never issued. Supporters of MacArthur would lobby for over two decades to have the general promoted to "six star general". As part of the preparation for Operation Downfall (the planned invasion of Japan), the United States War Department began drawing up invasion manpower requirements for a large force organized into several Navy fleets and Army groups. The Army also saw the need for a possible promotion of more officers to the rank of General of the Army, depending on the size of the invasion force, as