The President of the United States of America, authorized by Act of Congress July 9, 1918, takes pleasure in presenting a Second Bronze Oak Leaf Cluster in lieu of a Third Award of the Silver Star to Major (Infantry) Thomas W. Mellen (ASN: 0-1285267), United States Army, for gallantry in action as a member of Headquarters, 9th Infantry Regiment, 2d Infantry Division, in action against an armed enemy during the period 22 February to 11 March 1951, in the vicinity of Khechon, Korea. Major Mellen, Regimental Operations Officer, planned the operations of his regiment as it smashed an all-out enemy attack, and then scheduled the pursuit of three North Korean Divisions. Throughout the entire operation, he remained at forward command posts, observation posts, and on numerous occasions stationed himself with front line elements of the regiment, in order to better observe and coordinate their movements. On one occasion, when a battalion was being subjected to an intense enemy attack, he personally led reinforcements through almost impassible terrain, in a blinding snowstorm, and under extremely heavy enemy fire. Encouraged by the reinforcements, the embattled troops repulsed the enemy, inflicting severe casualties on them. During this entire campaign, the outstanding leadership, aggressiveness and dauntless courage of Major Mellen was an inspiration to his men and reflects great credit upon himself and upholds the highest traditions of the Military Service of the United States.