"Hiryū" and the other carriers arrived at Staring Bay on Celebes Island on 21 February to resupply and rest before departing four days later to support the invasion of Java. On 1 March 1942, the ship's D3As damaged the destroyer badly enough for her to be caught and sunk by Japanese cruisers. Later that day the dive bombers sank the oil tanker . The four carriers launched an airstrike of 180 aircraft against Tjilatjep on 5 March and set the town on fire, sinking five small ships, and damaging nine others that later had to be scuttled. Two days later, they attacked Christmas Island and "Hiryū"s aircraft sank the Dutch freighter "Poelau Bras" before returning to Staring Bay on 11 March to resupply and train for the impending Indian Ocean raid. This raid was intended to secure newly conquered Burma, Malaya, and the Dutch East Indies against any Allied attack by destroying base facilities and forces in the eastern Indian Ocean.