 Pari gbolohun yii: Ni January 16, 1942, Ro-65 gba lọ ni ile-iṣẹ pẹlu Ro-67 lati ṣe atilẹyin awọn Japanese : ìkọlù Rabaul ní New Britain ní Admiralty Islands, tí a pàṣẹ fún láti ṣọ gúúsù Cape St. George ní New Ireland. Ni ọjọ 21 Oṣu Kini ọdun 1942, awọn ọkọ oju-omi kekere meji gba aṣẹ lati darapọ mọ awọn ọkọ oju-omi kekere ti Submarine Division 33 ,, ati  ni iṣọṣọ ni St. Georges Channel lakoko ti awọn ọmọ ogun Japan de Rabaul, ṣugbọn wọn ko ri awọn ibi-afẹde. Ro-65 dé sí Truk ní 29 January 1942. 