The President of the United States of America, authorized by Act of Congress, July 2, 1926, takes pleasure in presenting a Bronze Oak Leaf Cluster in lieu of a Second Distinguished Flying Cross to Captain (Air Corps) Orvil Arson Anderson, U.S. Army Air Corps, for extraordinary achievement while participating in an aerial flight as a Pilot and Assistant Scientific Observer of the National Geographic Society-Army Air Corps Stratosphere Balloon Flight which started from the vicinity of Rapid City, South Dakota, on 11 November 1935, and successfully landed near White Lake, South Dakota. with the scientific equipment and the valuable records it contained intact. In performing this flight, Captain Anderson distinguished himself by extraordinary achievement, coolness, and confidence in piloting the largest and most heavily equipped balloon ever flown to a greater height than had previously been attained by man.