The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pride in presenting the Army Distinguished Service Medal (Posthumously) to Major General Leroy Springs Lyon, 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 Brigadier General Commanding the 65th Field Artillery Brigade, 40th Division, General Lyon displayed splendid qualities of leadership and organizing ability and by his enthusiasm and energy he developed his brigade to a high state of efficiency. Later, as Major General, Commanding the 31st Division during its training, he exhibited marked tactical judgment, and his skill and leadership were largely responsible for the success achieved in perfecting the organization and training of his Division.