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 Colonel (Infantry) Mathew A. Tinley, 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. Colonel Tinley displayed exceptional qualities of leadership in Command of the 168th Infantry, 42d Division, which under his able leadership fulfilled every mission assigned to it. He was untiring in energy and devotion to his important duties, acting with sound judgment and initiative in times of emergency. His conduct was an inspiration to the men of his command, whom he led repeatedly in successful engagements.