Philippine Division, or from 1946–1947 the 12th Infantry Division, was the core U.S. infantry division of the United States Army's Philippine Department during World War II. On 31 July 1941, the division consisted of 10,473 troops, mostly enlisted Filipinos, known as the Philippine Scouts who formed the 45th and 57th US Infantry Regiments. All of the division's enlisted men, with the exception of the 31st Infantry Regiment, and various military police and headquarters troops, were Philippine Scouts.