The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pleasure in presenting the Distinguished Service Cross to Private Dan W. Sullivan (ASN: 49375), United States Army, for extraordinary heroism in action while serving with Machine-Gun Company, 23d Infantry Regiment, 2d Division, American Expeditionary Forces, during a period of five hours and 30 minutes on 6 June 1918, near Chateau-Thierry, France. Private Sullivan carried messages between the commanding officer and platoon leader through constant machine-gun fire, thereby maintaining communication successfully at the imminent risk of his life.