During World War II from 1942 to 1946, the military camp, bases and general headquarters of the Philippine Commonwealth Army were located in Laur and the engagements of the Anti-Japanese Operations in Central Luzon from 1942 to 1945. Laur was infamous for Fort Magsaysay where Former Senator Benigno Aquino, Jr. and Jose Diokno were in solitary confinement for twenty-two days.
The National Penitentiary (New Bilibid Prisons), which is currently housed in Muntinlupa City will be moved to Barangay San Isidro. 
During World War II, the Imperial Japanese military forces did not occupy and entering the municipal town in Laur during the Japanese Invasion through the Allied Liberation on 1941 to 1945.
The establishment and founding of the military camp bases and military general headquarters of the Philippine Commonwealth Army was active on 1942 to 1946 in Laur, Nueva Ecija and beginning the covers of all stronghold the local Filipino troops and military officers of the Philippine Commonwealth Army units to the sending local military operations of the engagements of the Anti-Imperial Japanese Military Operations in Central Luzon included three provinces of Pampanga, Tarlac and Nueva Ecija from 1942 to 1945 and aided the helpful to the local guerrilla resistance fighters, Hukbalahap Communist guerrillas and the U.S. liberation military forces against the Imperial Japanese military forces during the Japanese Insurgency (1942-1944) and the Allied Liberation (1944-1945).
Aerial view of Laur with Dingalan Bay in the distant background