The movements of the military general headquarters and military camp bases of the Philippine Commonwealth Army happened from January 3, 1942 to June 30, 1946 and included the province of Batangas in southern Luzon. During the engagements of the Anti-Japanese Imperial Military Operations in Manila, southern Luzon, Mindoro and Palawan from 1942 to 1945, (including the provinces of Rizal, Cavite, Laguna, Batangas, Mindoro, and Palawan), units of the Philippine Constabulary, with the local guerrilla resistance joined with the U.S. liberation military forces against the Japanese Imperial armed forces.