▁Despite ▁these ▁concerns , ▁Yam am oto ▁decided ▁to ▁press ▁ahead . ▁ ▁Japanese ▁confidence ▁in ▁their ▁ability ▁to ▁achieve ▁a ▁short , ▁vict orious ▁war ▁also ▁meant ▁other ▁targets ▁in ▁the ▁har bor , ▁especially ▁the ▁n avy ▁yard , ▁oil ▁tank ▁far ms , ▁and ▁sub marine ▁base , ▁were ▁ignored , ▁since — by ▁their ▁thinking — the ▁war ▁would ▁be ▁over ▁before ▁the ▁influence ▁of ▁these ▁facilities ▁would ▁be ▁felt . ▁ ▁Appro ach ▁and ▁attack ▁ ▁[[ File : A 6 M 2 ▁on ▁car rier ▁Ak agi ▁ 1 9 4 1 . jpeg | th umb | An ▁Imperial ▁Japanese ▁Navy ▁M its ub ishi ▁A 6 M ▁Zero ▁f ighter ▁on ▁the ▁aircraft ▁car rier ▁Ak agi ]] ▁ ▁On ▁November ▁ 2 6 , ▁ 1 9 4 1 , ▁a ▁Japanese ▁task ▁force ▁( the ▁St rik ing ▁Force ) ▁of ▁six ▁aircraft ▁carri ers — , ▁, ▁, ▁, ▁, ▁and ▁— de part ed ▁Hit tok ap u ▁Bay ▁on ▁Kas at ka ▁( now ▁Iter up ) ▁Island ▁in ▁the ▁Kur ile ▁Islands , ▁en ▁route ▁to ▁a ▁position ▁north west ▁of ▁Hawai i , ▁int ending ▁to ▁launch ▁its ▁ 4 0 8 ▁aircraft ▁to ▁attack ▁Pear l ▁Har bor : ▁ 3 6 0 ▁for ▁the ▁two ▁attack ▁waves ▁and ▁ 4 8 ▁on ▁def ensive ▁combat ▁air ▁pat rol ▁( C AP ), ▁including ▁nine ▁f igh ters ▁from ▁the ▁first ▁wave . ▁ ▁The ▁first ▁wave