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 Brigadier General William Sullivan Peirce, 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. While in charge of the Springfield Arsenal, Colonel Peirce’s exceptional ability contributed materially to increasing the output of small arms. As Assistant Chief of Ordnance he has rendered conspicuous service.