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 First Lieutenant (Air Service) Ralph Ambrose O’Neill, United States Army Air Service, for extraordinary heroism in action while serving with 147th Aero Squadron, 1st Pursuit Group, U.S. Army Air Service, A.E.F., near Chateau-Thierry, France, 2 July 1918. Lieutenant O’Neill and four other pilots attacked 12 enemy battle planes. In a violent battle within the enemy’s lines they brought down three German planes, one of which was credited to Lieutenant O’Neill.

The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pleasure in presenting a Second Bronze Oak Leaf Cluster in lieu of a Third Award of the Distinguished Service Cross to First Lieutenant (Air Service) Ralph Ambrose O’Neill, United States Army Air Service, for extraordinary heroism in action while serving with 147th Aero Squadron, 1st Pursuit Group, U.S. Army Air Service, A.E.F., near Fresnes, France, 24 July 1918: Lieutenant O’Neill, with four other pilots, engaged 12 enemy planes discovered hiding in the sun. Leading the way to an advantageous position by a series of bold and skillful maneuvers. Lieutenant O’Neill shot down the leader of the hostile formation. The other German planes then closed in on him, but he climbed to a position of vantage above them and returned to the fight and drove down another plane. In this encounter he not only defeated his opponents in spite of overwhelming odds against him, but also enabled the reconnaissance plane to carry on its work unmolested.

The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pleasure in presenting a Bronze Oak Leaf Cluster in lieu of a Second Award of the Distinguished Service Cross to First Lieutenant (Air Service) Ralph Ambrose O’Neill, United States Army Air Service, for extraordinary heroism in action while serving with 147th Aero Squadron, 1st Pursuit Group, U.S. Army Air Service, A.E.F., near Chateau-Thierry, France: On 5 July 1918, First Lieutenant O’Neill led three other pilots in battle against eight German pursuit planes near Chateau-Thierry. He attacked the leader, opening fire at about 150 yards, and closing up to 30 yards range. After a quick and decisive fight the enemy aircraft fell in flames. He then turned on three other machines that were attacking him from the rear and brought one of them down. The other five enemy planes were driven away.