The hard-run bulldozers were called into service to finish the job. They approached with blades raised as armor against fire, and shoved a small mountain of sand and coral up to cover the entrance and firing slots. A few marines climbed to the top of the structure and poured gasoline down the air vents. A single hand grenade was enough to convert the blockhouse into a kiln. The remains of 300 Japanese were later excavated from the interior.
