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 Second Lieutenant (Infantry) Arno Seals McClellan, United States Army, for extraordinary heroism in action while serving with 47th Infantry Regiment, 4th Division, American Expeditionary Forces, at Sergy, France, 1 August 1918. Second Lieutenant McClellan fearlessly led his platoon in locating and successfully attacking German machine guns, thereby facilitating the advance of his company. He also led a combat patrol in front of his position for the purpose of driving out hostile snipers. Later, when his company was forced to retire to a more sheltered zone. Lieutenant McClellan, with one soldier, remained in an exposed position and rendered valuable service by covering the withdrawal with accurate fire from an automatic rifle.