Rubuta ci gaba ga wannan sakin layi - A kwanakin karshe na yakin, "I-155" an zaba don aikin "Kaiten". An sake dawo da shi a farkon watan Agusta 1945, an sanya shi da "Kaiten" guda biyu a Otsujima Naval Base kuma an shirya shi ya bar Hirao a ranar 25 ga Agusta 1945 tare da jirgin ruwan karkashin ruwa a matsayin wani ɓangare na "Shinshu-tai" ("Land of Gods Unit") Kaiten kungiyar. Duk da haka, Japan ta amince ta mika wuya.
zuwa ga Allies a ranar 15 ga Agusta, 1945, kuma an soke aikin kuma an kira "I-155". Rashin amincewar Japan ya faru ne a ranar 2 ga Satumba, 1945.