(Citation Needed) – SYNOPSIS: The President of the United States of America, authorized by Act of Congress, 20 July 1942, takes pleasure in presenting the Distinguished Flying Cross to Lieutenant Colonel Ronald L. Mastin, United States Air Force, for extraordinary achievement while participating in aerial flight while serving with the 11th Tactical Reconnaissance Squadron, Udorn Royal Thai Air Force Base, Thailand, in action in Southeast Asia in 1966. The singularly distinctive accomplishments of Colonel Mastin culminate a long and distinguished career in the service of his and reflect the highest credit upon himself and the United States Air Force.