The President of the United States of America, authorized by Act of Congress, July 2, 1926, takes pleasure in presenting the Distinguished Flying Cross to Lieutenant Colonel [then Captain] Richard Paul Keirn (AFSN: AO-936812), United States Air Force, for extraordinary achievement while participating in aerial flight on 21 July 1965 over Mugia Pass, North Vietnam. On that date, while piloting an F-4 aircraft, Colonel Keirn made repeated attacks on a heavily fortified enemy truck part. In spite of low clouds, marginal visibility, and accurate enemy ground fire. Colonel Keirn skillfully delivered all bombs directly on target. Many secondary explosions plus bomb damage assessment information revealed the severity of the blow to the enemy’s transportation system. The professional competence, aerial skill, and devotion to duty displayed by Colonel Keirn reflect great credit upon himself and the United States Air Force.