▁enemy ▁personnel ▁in ▁the ▁future . ▁ ▁An ▁exchange ▁of ▁Japanese ▁and ▁Al lied ▁diplom atic ▁personnel ▁str and ed ▁in ▁the ▁oppos ing ▁nations ▁occurred ▁in ▁August ▁ 1 9 4 2 , ▁which ▁allowed ▁T ats uo ▁K aw ai , ▁the ▁Japanese ▁amb assador ▁to ▁Australia , ▁to ▁return ▁home ▁with ▁the ▁as hes ▁of ▁the ▁four ▁Japanese ▁sub mar in ers . ▁When ▁the ▁exchange ▁ship ▁Kam ak ura ▁Mar u ▁arrived ▁in ▁Y ok oh ama , ▁several ▁thousand ▁people ▁were ▁present ▁to ▁honour ▁the ▁four ▁men . ▁ ▁The ▁two ▁main ▁targets ▁of ▁the ▁attack , ▁USS ▁Chicago ▁and ▁H MA S ▁Can ber ra , ▁were ▁both ▁lost ▁within ▁the ▁next ▁year : ▁Can ber ra ▁s inking ▁on ▁ 9 ▁August ▁ 1 9 4 2 ▁during ▁the ▁Battle ▁of ▁Sav o ▁Island , ▁and ▁Chicago ▁on ▁ 3 0 ▁January ▁ 1 9 4 3 ▁following ▁the ▁Battle ▁of ▁R enn ell ▁Island . ▁None ▁of ▁the ▁Japanese ▁sub mar ines ▁involved ▁in ▁the ▁attack ▁surv ived ▁the ▁war . ▁ ▁and ▁ ▁s ank ▁I - 2 1 ▁on ▁ 5 ▁February ▁ 1 9 4 4 ▁off ▁the ▁Marshall ▁Islands . ▁An ▁American ▁tor ped o ▁boat ▁s ank ▁I - 2 2 ▁on ▁ 2 5 ▁December ▁ 1 9 4 2 ▁off ▁New ▁Guinea . ▁An ▁American ▁pat rol ▁craft ▁s ank ▁I - 2 4 ▁on ▁ 1 0 ▁June ▁ 1 9 4 3 ▁near ▁the ▁Ale ut