Destruction of Fortifications on Caballo Island & Fort Drum Concrete Battleship

US Army engineers burn out Japanese fortifications on Caballo Island and the concrete battleship Fort Drum in Manila Bay, Philippines in 1945. 113th Battalion engineers lay a pipeline up the side of a hill on Caballo Island and pump a fuel mixture into the fortifications and proceed to burn out the enemy soldiers. On Fort Drum (El Fraile Island) , 38th Division infantry & engineers use a hose to pump the mixture into air vents and 600 lbs. of TNT is used to destroy the soldiers who have refused to surrender