Prior to the landings on 1 April, the Command bombed airfields in Kyushu at Ōita and Tachiarai as well as an aircraft plant at Ōmura on 27 March, and struck Ōita and Tachiarai again on the 31st of the month.
Sebelum pendaratan pada 1 April, Komando mengebom lapangan udara di Kyushu di Ōita dan Tachiarai serta pabrik pesawat di Ōmura pada 27 Maret, dan menyerang Ōita dan Tachiarai lagi pada 31 bulan tersebut.