The 65th took and held Cherwon and they were also instrumental in breaking the Iron Triangle of Hill 717 in July 1951. In November 1951, the 65th fought off an attack by two regimental-sized enemy units, with success. Colonel Juan César Cordero Dávila was named commander of 65th Infantry on February 8, 1952, thus becoming one of the highest-ranking ethnic officers in the Army. On July 3, 1952, the regiment defended the MLR for 47 days and saw action at Cognac, King and Queen with successful attacks on Chinese positions. In October the regiment also saw action in the Cherwon Sector and on Iron Horse, Hill 391, whose lower part was called "Jackson Heights". In September 1952, the 65th Infantry was holding on to a hill known as "Outpost Kelly". Chinese Communist forces that had joined the North Koreans overran the hill in what became known as the Battle for Outpost Kelly. Twice the 65th Infantry Regiment was overwhelmed by Chinese artillery and driven off.