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 Gunnery Sergeant John Groff (MCSN: 99252), United States Marine Corps, for extraordinary heroism while serving with the Eighty-Third Company, Sixth Regiment (Marines), 2d Division, A.E.F., in action in the Bois-de-Belleau, France, on 6 June 1918. While out with a patrol to obtain information essential to his commander, Gunnery Sergeant Groff was attacked by a German patrol of superior numbers. With six men he attacked the enemy, inflicted heavy losses upon them, and drove them back into the German lines.