 Later that day the dive bombers sank the oil tanker .The four carriers launched an airstrike of 180 aircraft against Tjilatjep on 5 March, sinking five small ships, damaging another nine badly enough that they had to be scuttled, and set the town on fire.Two days later they attacked Christmas Island before returning to Staring Bay on 11 March to resupply and train for the impending Indian Ocean raid.