From this area eastward to the beach upland up  to 6 kms. inland along the bank of the Alangan River, a line was established on April 7-8, 1942. Remnants of the II Corps withdrew from the Pilar-Bagac Line. It was reinforced by the entire Luzon force reserves consisting of the 45th and 57th infantries (PS). The 26th Cavalry (PS) and the 31st US Infantry Regiment Philippine Division in a last ditch heroic effort  to save Bataan. It was abandoned with the decision of Major General Edward  P. King, Jr.  to surrender his command on late evening 8 April 1942.