 Pari gbolohun ti o tẹle: Ni 8 January 1945, Ro-46 lọ si okun lati Kure fun ọkọ oju-omi ogun kẹrin rẹ, pẹlu agbegbe ọkọ oju-omi ni Okun South China ni iwọ-oorun ti Luzon. Awọn ọmọ ogun AMẸRIKA wọ Lingayen Gulf ati awọn ọmọ ogun AMẸRIKA bẹrẹ wọn : ìkọlù Luzon ní 9 January 1945. Ni 29 January 1945, Ro-46 torpedoed awọn kolu gbigbe ni ; biotilejepe Cavalier ti ye, o ni lati wa ni towed to Leyte. royin sinking a fleet oiler lati kan konbo ni 01:13 ni 30 January 1945, ki o si lọ kuro ni agbegbe. 