▁the ▁Pacific ▁and ▁Indian ▁O ce ans . ▁Pat rolling ▁along ▁the ▁Mal ay ▁and ▁Th ai ▁coast s , ▁Gren ad ier ▁claimed ▁a ▁small ▁fre ighter ▁off ▁the ▁island ▁of ▁Ph uk et ▁on ▁ 6 ▁April . ▁She ▁remained ▁in ▁the ▁area ▁and ▁late ▁in ▁the ▁night ▁of ▁ 2 0 ▁April ▁sight ed ▁two ▁merchant men ▁and ▁closed ▁in ▁for ▁the ▁attack . ▁Running ▁on ▁the ▁surface ▁at ▁dawn ▁ 2 1 ▁April , ▁Gren ad ier ▁sp otted , ▁and ▁was ▁simultaneously ▁sp otted ▁by , ▁a ▁Japanese ▁plane . ▁The ▁sub marine ▁div ed , ▁and ▁as ▁it ▁passed ▁ ▁her ▁executive ▁officer ▁commented , ▁" We ▁ought ▁to ▁be ▁safe ▁now ." ▁Just ▁then , ▁explos ions ▁rock ed ▁Gren ad ier ▁and ▁he e led ▁her ▁over ▁ 1 5 ▁to ▁ 2 0 ▁degrees . ▁Power ▁and ▁lights ▁failed ▁completely ▁and ▁the ▁fat ally ▁wounded ▁ship ▁settled ▁to ▁the ▁bottom ▁at ▁. ▁She ▁tried ▁to ▁make ▁rep airs , ▁while ▁a ▁fier ce ▁fire ▁bla zed ▁in ▁the ▁man eu ver ing ▁room . ▁ ▁After ▁ 1 3 ▁hours ▁of ▁swe ating ▁it ▁out ▁on ▁the ▁bottom ▁Gren ad ier , ▁managed ▁to ▁surface ▁after ▁dark ▁to ▁clear ▁the ▁boat ▁of ▁smoke ▁and ▁inspect ▁damage . ▁The ▁damage ▁to ▁her ▁prop ulsion ▁system ▁was ▁irre par able . ▁Att empt ing ▁to ▁bring ▁his ▁ship ▁closer ▁to ▁shore ▁so ▁that ▁the ▁crew ▁could ▁sc utt le ▁her ▁and ▁escape ▁into ▁the ▁j ung