The President of the United States of America, authorized by Act of Congress July 9, 1918, takes pleasure in presenting a Bronze Oak Leaf Cluster in lieu of a Second Award of the Army Distinguished Service Medal to Lieutenant General Vernon P. Mock (ASN: 0-19906), United States Army, for exceptionally meritorious and distinguished services to the Government of the United States, in a duty of great responsibility from September 1966 to January 1969.