The President of the United States of America, authorized by Act of Congress, July 2, 1926, takes pleasure in presenting a Third Bronze Oak Leaf Cluster in lieu of a Fourth Award of the Distinguished Flying Cross to Colonel (Air Corps) Frederick Walker Castle (ASN: 0-319375), United States Army Air Forces, for extraordinary achievement, while serving as Pilot of a B-17 airplane of the EIGHTH Air Force on twenty-five bombardment missions over enemy occupied Continental Europe. Displaying great courage and skill, Colonel Castle has materially aided in the success of each of the twenty-five missions and his actions are an inspiring example for his fellow flyers. The courage, coolness and skill displayed by Colonel Castle on all these occasions reflect the highest credit upon himself and the Armed Forces of the United States.