The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pleasure in presenting the Army Distinguished Service Medal to Major General William Sidney Graves, United States Army, for exceptionally meritorious and distinguished services to the Government of the United States, in a duty of great responsibility during World War I, as an Executive Assistant to the Chief of Staff and as Commanding General of the American Expeditionary Forces in Siberia.