Pedzisa mutsara unotevera: Musi wa7 December 1941, "I-122" yakaisa zvimbambaira makumi mana nezviviri zveType 88 Mark 1 kuchamhembe kwakadziva kumabvazuva kweSingapore, ndokuzotora nzvimbo yayo yekufambisa pamusuwo wekumabvazuva kweJohore Strait pamwe chete ne "I-121". MuEast Asia, Hondo Yenyika II yakatanga pana 8 December 1941, uye mauto eJapan
vakapinda muBritish Malaya kuchamhembe kweSingapore zuva iroro. Yakagoverwa kuSouthern Submarine Force musi wa12 Zvita 1941, yakasvika paCam Ranh Bay muJapan-yakapambwa French Indochina musi wa14 Zvita 1941. Musi wa 18 December 1941, vakadzokera kunotsigira kurwisa kweJapan kwePhilippines, vakananga kunharaunda yeDavao kuMindanao mukambani ne "I-124". Reassigned kuti Submarine Group "A" pamwe "I-121", "I-123", uye "I-124" musi 26 December 1941, iye akapedzisa patrol wake musi 31 December 1941 apo iye uye "I-124" kusvika panguva ichangobva vakatora Davao apo "Chōgei" serviced "I-121", "I-122", uye "I-124".