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 William Rennison, Royal British Army, for exceptionally meritorious and distinguished service in a position of great responsibility to the Government of the United States, during World War I. While serving as Instructor, Army School of the Line, American Expeditionary Forces, Major Rennison rendered invaluable service to the American Expeditionary Forces and to the cause in which the United States has been engaged.