Ramba uchiverenga ndima ino - "I-1" 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-1" yakaenda kumvura yeAleutian mukambani ne "I-2", "I-3", "I-4", uye "I-7" kuti vatange kutenderera kwavo kwechina kwehondo. Pana 20 June 1942, "I-1", "I-2", uye "I-3" vakabatana ne"K" patrol line muNorth Pacific Ocean pakati peChitatu neChishanu. Pakati paJuly 1942, ngarava yehondo yeAmerica isingazivikanwi - zvichida United States Coast Guard cutter - yakarwisa "I-1" muNorth Pacific Ocean kumaodzanyemba kweAdak Island uye yakamutsvaga kwemaawa 19 "I-1" isati yapinda uye yakatiza. Musi wa 20 Chikunguru 1942, "I-1" yakadzoserwa kuAdvance Force uye yakagamuchira mirairo zuva iroro kuti idzokere kuYokosuka, iyo yakasvika musi wa 1 Nyamavhuvhu 1942.