▁time ▁on ▁December ▁ 7 . ▁At ▁ 0 3 : 4 2 ▁Hawai ian ▁Time , ▁the ▁mines we eper ▁ ▁sp otted ▁a ▁m idget ▁sub marine ▁per is cope ▁south west ▁of ▁the ▁Pear l ▁Har bor ▁entrance ▁bu oy ▁and ▁alert ed ▁the ▁destroy er ▁. ▁The ▁m idget ▁may ▁have ▁entered ▁Pear l ▁Har bor . ▁However , ▁Ward ▁s ank ▁another ▁m idget ▁sub marine ▁at ▁ 0 6 : 3 7 ▁in ▁the ▁first ▁American ▁sh ots ▁in ▁the ▁Pacific ▁Theater . ▁A ▁m idget ▁sub marine ▁on ▁the ▁north ▁side ▁of ▁Ford ▁Island ▁missed ▁the ▁se ap lane ▁tender ▁ ▁with ▁her ▁first ▁tor ped o ▁and ▁missed ▁the ▁attack ing ▁destroy er ▁ ▁with ▁her ▁other ▁one ▁before ▁being ▁s unk ▁by ▁Mon ag han ▁at ▁ 0 8 : 4 3 . ▁ ▁A ▁third ▁m idget ▁sub marine , ▁Ha - 1 9 , ▁ground ed ▁twice , ▁once ▁outside ▁the ▁har bor ▁entrance ▁and ▁again ▁on ▁the ▁east ▁side ▁of ▁O ahu , ▁where ▁it ▁was ▁captured ▁on ▁December ▁ 8 . ▁En sign ▁K azu o ▁Sak am aki ▁sw am ▁ash ore ▁and ▁was ▁captured ▁by ▁Hawai i ▁National ▁Guard ▁Corpor al ▁David ▁Ak ui , ▁becoming ▁the ▁first ▁Japanese ▁prisoner ▁of ▁war . ▁A ▁fourth ▁had ▁been ▁dam aged ▁by ▁a ▁depth ▁charge ▁attack ▁and ▁was ▁abandoned ▁by ▁its ▁crew ▁before ▁it ▁could ▁fire ▁its ▁tor ped o es . ▁Japanese ▁forces ▁received ▁a ▁radio ▁message ▁from ▁a