allies of world war ii ambon armies of the imperial japanese army army group balikpapan batan island cam ranh bay empire of japan french indochina hideyoshi obata hisaichi terauchi hitoshi imamura hong kong imperial general headquarters imperial japanese army imperial japanese navy infantry invasion of french indochina japanese eighteenth area army japanese fourteenth area army japanese second army japanese seventh area army java jo iimura jungle warfare kalimantan kendari lamon bay legazpi city lingayen gulf luzon manado manila manila bay masaharu homma mindanao palembang philippines pincer movement south-east asian theatre of world war ii south west pacific theatre of world war ii sulawesi sumatra taiwan takao tarakan vichy france world war ii x-day