▁sight ed ▁two ▁burning ▁enemy ▁aircraft ▁carri ers , ▁but ▁could ▁not ▁close ▁for ▁attack ▁because ▁of ▁heavy ▁air ▁cover . ▁On ▁that ▁day , ▁she ▁was ▁st raf ed ▁by ▁f ighter ▁plan es ▁and ▁driven ▁deep ▁in ▁a ▁series ▁of ▁aircraft ▁and ▁destroy er ▁attacks ▁which ▁saw ▁over ▁ 1 7 0 ▁depth ▁charges ▁and ▁bomb s ▁dropped ▁on ▁the ▁nov ice ▁sub marine . ▁▁ ▁The ▁next ▁day , ▁as ▁the ▁battle ▁still ▁ra ged , ▁Gr ou per ▁crash - d ived ▁to ▁avoid ▁heavy ▁bom bers . ▁She ▁then ▁put ▁in ▁at ▁Mid way ▁for ▁three ▁days ▁for ▁fuel ▁and ▁prov isions ▁before ▁sail ing ▁on ▁her ▁first ▁war ▁pat rol ▁on ▁ 1 2 ▁June . ▁She ▁tor ped o ed ▁and ▁dam aged ▁two ▁Japanese ▁mar u ▁ ▁( c ivil ian ) ▁ships ▁before ▁returning ▁to ▁Pear l ▁Har bor ▁on ▁ 3 0 ▁July . ▁ ▁On ▁her ▁second ▁pat rol ▁( 2 8 ▁August ▁– ▁ 9 ▁October ), ▁Gr ou per ▁s ank ▁two ▁fre igh ters , ▁T one ▁Mar u ▁on ▁ 2 1 ▁September ▁and ▁Lis bon ▁Mar u ▁on ▁ 1 ▁October . ▁It ▁was ▁later ▁learned ▁that ▁Lis bon ▁Mar u ▁was ▁carrying ▁ 1 8 0 0 ▁British ▁P OW s ▁from ▁Hong ▁Kong ; ▁over ▁ 8 0 0 ▁died ▁in ▁the ▁s inking . ▁ ▁On ▁her ▁third ▁pat rol ▁( 1 2 ▁November ▁– ▁ 3 1 ▁December ) ▁to ▁Br is b