Ramba uchiverenga ndima ino - "I-4" pairi kuYokosuka, kurwisa kweAleutian Islands kwakatanga musi wa3 kusvika 4 June 1942 nechisimba chendege cheJapan
paDutch Harbour, Alaska, yakakurumidza kuteverwa nekupinda kweJapan muAleutian Islands yeAttu musi wa5 Chikumi uye Kiska musi wa7 Chikumi 1942. Musi wa 10 Chikumi 1942, "I-1", "I-2", "I-3", "I-4", "I-5", "I-6", uye "I-7" vakagoverwa kuNorthern Force kuti vaite basa muAleutians, uye musi wa 11 Chikumi 1942 "I-4" yakaenda kumvura yeAleutian mukambani ne "I-1", "I-2", "I-3", uye "I-7" kuti vatange hondo yavo yechina yehondo. Pana 20 June 1942, "I-1", "I-2", uye "I-4" vakabatana ne"K" patrol line muNorth Pacific Ocean pakati peChitatu neChishanu. "I-4" yakaramba iri pamutsetse wokuronda kusvikira pana 3 July 1942. Musi wa 20 Chikunguru 1942, akaendeswa kuAdvance Force ndokurayirwa kuti adzokere kuJapan. Yakasvika paYokosuka musi wa1 Nyamavhuvhu 1942 ndokutanga kugadziridzwa.