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 Award of the Distinguished Flying Cross to Captain Robert Owen Heavner (AFSN: FR-70066), United States Air Force, for extraordinary achievement while participating in aerial flight as a B-57 Pilot of the 13th Tactical Bombardment Squadron, in action near Vi Thanh, Republic of Vietnam, on 19 April 1967. On that date, Captain Heavner successfully attacked a heavily fortified hostile supply area in spite of marginal weather an intense hostile ground fire. Working under an extremely low hanging deck of clouds, Captain Heavner repeatedly exposed himself to heavy automatic weapons fire while destroying ten major structures, twelve sampans and three bunkers in addition to twelve hostile soldiers by count and an estimated ten others. The professional competence, aerial skill and devotion to duty displayed by Captain Heavner reflect great credit upon himself and upheld the highest traditions of the United States Air Force.