In anticipation of the landing of U.S. forces on the mainland of Japan, plans were made to launch Ohkas from the mountain to make suicide attacks on U.S. naval vessels.
Kuna arvati, et USA väed maabuvad Jaapani maismaal, hakati tegema plaane „Ohkade ” õhku lennutamiseks mäe pealt, et korraldada enesetapurünnakuid USA merelaevade pihta.