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) George Catlett Marshall, Jr. (ASN: 0-1616), 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 Marshall has performed the duties of Assistant Chief of Staff, G-3, 1st Division, from 26 June 1917 to 12 July 1918. He served in the G-3 Section, General Headquarters, American Expeditionary Forces, from 13 July 1918 to 19 August 1918, in G-3 section, 1st Army, from 20 August 1918 to 16 October 1918; as Assistant Chief of Staff, G-3, of the 1st Army from 17 October to 19 November 1918; and as Chief of Staff of the 8th Army Corps from 20 November 1918 to 15 January 1918, during which period the 1st Division served in the Toul sector and at the Cantigny attack and the 1st Army operations in the St. Mihiel and Meuse-Argonne offensives. By untiring, painstaking, and energetic efforts he succeeded in all these undertakings. His efforts had a marked influence on the successes achieved by the units with which he served.