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 (Adjutant General’s Corps) William L. Ball, 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 Executive Officer, Statistical Division, Adjutant General’s Office, General Headquarters, American Expeditionary Forces, Major Ball displayed outstanding administrative and executive ability coordinating the work of various departments of that division and maintaining liaison with the personal adjutants of the various headquarters of the American Expeditionary Forces and with the central records office in Bourges, France. With tireless energy and unremitting devotion to duty he met the grave responsibilities of his difficult position with signal distinction, contributing markedly to the successful operations of the Adjutant General’s Department, American Expeditionary Forces.