 At one point during this period in early 1942, Philippine Brigadier General Vicente Lim established his headquarters in a pigpen.After the collapse of American/Filipino defense lines on Bataan and the decisions to declare Manila an open city to end the defense of Corregidor, American and Filipino prisoners of war were marched at gunpoint back up the Bataan Peninsula to San Fernando, Pampanga, about 11 miles south of Fort Stotsenburg.Here, they were jammed into railroad box cars and taken to Camp O'Donnell, near Capas, Tarlac, about 15 miles north of Fort Stotsenburg.