taken in April and May. The division next took part in the invasion of Leyte, 20 October 1944, captured Tacloban and the adjacent airstrip, advanced along the north coast, and secured Leyte Valley, elements landing on and securing Samar Island. Moving down Ormoc Valley (in Leyte) and across the Ormoc plain, the division reached the west coast of Leyte 1 January 1945. The division then invaded Luzon, landing in the Lingayen Gulf area 27 January 1945, and fought its way as a "flying column" to Manila by 3 February 1945. More than 3,000 civilian prisoners at the University of Santo Tomas, including more than 60 US Army nurses (some of the "Angels of Bataan and Corregidor") were liberated, and the 1st Cavalry then advanced east of Manila by the middle of February before the city was cleared. On 20 February the division was assigned the mission of seizing and securing crossings over the Marikina River and securing the Tagaytay-Antipolo Line. After being relieved 12 March in the Antipolo area, elements pushed south into Batangas and provinces of Bicol Region together with recognized guerrillas. They mopped up remaining pockets of resistance in these areas in small unit actions. Resistance was officially declared at an end on 1 July 1945. Casualties Total battle casualties: 4,055 Killed in action: 734 Wounded in action: 3,311 Missing in action: 9 Prisoner of war: 1 Postwar The division left Luzon 25 August 1945 for occupation duty in Japan, arriving in Yokohama 2 September 1945 and entering Tokyo 8 September, the first United States division to enter the Japanese capital. 101 unit was set up in May 1945 to search for the missing soldiers in the Second World War. The detachment consisted of two officers (a Captain MacColeman and a Lieutenant Foley) and 15 enlisted members (among them a Sergeant Ryan). The operation was successful, although it lasted three years. Occupation duty in Japan followed for the next five years. Korean War In the summer of 1950, North Korea attacked South Korea, and the 1st Cavalry Division was rushed to Korea to help shore up the Pusan Perimeter. After the X Corps attack at Incheon, a breakout operation was launched at the Pusan Perimeter. The division then joined the UN counteroffensive that recaptured most of South Korea by the end of September. The UN offensive was continued northwards, past Seoul, and across the 38th Parallel into North