During the Pacific War, Tasaka shot films which in conformed to national policy including "Kaigun" (Navy) based on a novel by Toyoo IWATA (Bunroku SHISHI) and "Hisshoka" (Song of Victory).
太平洋戦争中は岩田豊雄（獅子文六）原作『海軍(映画)』や『必勝歌』など国策に順応した映画も撮影した。