The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pride in presenting the Distinguished Service Cross (Posthumously) to Sergeant Donald R. Green (ASN: 129140), United States Army, for extraordinary heroism in action while serving with Battery E, 12th Field Artillery, 2d Division, American Expeditionary Forces, near Thiaucourt, France, 12 September 1918. Sergeant Green continued in the service of his piece under a galling enfilading fire. In his fortitude and devotion to duty, he set a high example to the men of his section until he and his entire crew were casualties. He was killed while serving his piece.