The President of the United States of America, authorized by Act of Congress July 9, 1918 (amended by an act of July 25, 1963), takes pleasure in presenting the Silver Star to Sergeant Major [then Sergeant] Robert W. Chaplin, United States Army, for gallantry in action while engaged in military operations in the Republic of Vietnam, while serving with Operational Detachment A-502, 5th Special Forces Group (Airborne), 1st Special Forces, on 15 September 1966. His actions, without regard for his own safety, reflect great credit on himself and the Armed Forces of the United States.