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 Silver Star to Sergeant Donal N. O’Callaghan (ASN: RA-19367947), United States Army, for gallantry in action as a member of Company L, 38th Infantry Regiment, 2d Infantry Division, on 13 February 1953 in North Korea. While his company was being subjected to a barrage of heavy artillery from Chinese Communist forces during a night attack, Sergeant O’Callaghan was informed that men on an out-guard post had been cut off by this enemy action. Immediately, and without concern for his own personal safety, he voluntarily exposed himself to enemy fire, located the men and brought them, together with the wounded member, safely back to the trenches. Later, even though Sergeant O’Callaghan was seriously wounded by a round of mortar fire which destroyed the lower part of his left leg, he refused to be evacuated. After dressing his wound himself, he crawled back to the command post and, from that position, controlled platoon action for the next three and one-half hours, giving orders to the squads over the phone. Not until the enemy had withdrawn did he permit himself to be evacuated. The unselfish heroism, courageous leadership, and outstanding gallantry displayed by Sergeant O’Callaghan reflect distinct credit upon himself and the military service.