sentences:  After two more days of intense fighting, Kuzume burned the regimental colors, indicating to his men that the regiment would make the defense of Biak their final battle.He then committed hara kiri, showing his men he did not fear death.The Americans broke through the Japanese defenses on 22 June, with a coastal strip from Bosnek to Sorido captured, including the three airfields at Sorido (4500 ft), Borokoe (4500 ft) and Mokmer (8,000 ft).