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 (Cavalry) Christian A. Bach, 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 Chief of Staff of the 4th Division, since its organization, Colonel Bach has performed his duties with the utmost loyalty, excellent judgment, and tireless energy, both during the training period and in actual combat. To his energy and military ability is due in not small degree the excellent record of his division in the fighting on the Vesle River and during the Meuse-Argonne offensive.