The division landed at Lingayen Gulf, Luzon, in the Philippines on D-day, 9 January 1945, and pursued the Japanese into the Cabanatuan hills, 17–21 January, capturing Muñoz on 7 February. On 27 January, Special Operations units also attached to the Sixth United States Army took part in the Raid at Cabanatuan. The division then drove northeast to Dingalan Bay and Baler Bay, 13 February, isolating enemy forces in southern Luzon. The U.S. 1st Infantry Regiment operated on Bataan together with the Philippine Commonwealth forces, 14–21 February, cutting the peninsula from Abucay to Bagac.