▁contact . ▁At ▁ 1 8 3 9 ▁hours , ▁the ▁sub marine ▁sur fac ed ▁in ▁full ▁view ▁of ▁the ▁entire ▁task ▁group . ▁It ▁was ▁immediately ▁fired ▁on ▁by ▁the ▁attack ing ▁ships ▁and ▁plan es ▁from ▁the ▁car rier . ▁At ▁ 1 8 4 4 ▁hours , ▁the ▁ ▁sl id ▁under ▁the ▁water , ▁stern ▁first . ▁Tw enty - three ▁surv iv ors ▁were ▁picked ▁up ▁by ▁Hob son ▁and ▁Ha ver field . ▁During ▁the ▁action , ▁Sw en ning ▁maintained ▁her ▁station ▁in ▁the ▁esc ort ▁screen . ▁The ▁task ▁group ▁ref ue led ▁and ▁provision ed ▁at ▁Cas ab lan ca ▁from ▁ 1 8 ▁to ▁ 2 2 ▁March ▁and ▁continued ▁their ▁off ensive ▁pat rol . ▁The ▁group ▁re pl en ished ▁at ▁Tr in idad ▁on ▁ 1 2 ▁April ▁and ▁sa iled ▁to ▁Nor folk ▁where ▁the ▁esc ort s ▁were ▁det ached ▁to ▁proceed ▁to ▁New ▁York ▁for ▁yard ▁avail ability . ▁Sw en ning ▁remained ▁at ▁New ▁York ▁from ▁ 2 0 ▁April ▁to ▁ 3 ▁May ▁when ▁she ▁returned ▁to ▁Ham pton ▁Ro ads ▁to ▁re join ▁the ▁Bog ue ▁group , ▁now ▁designated ▁as ▁task ▁group ▁T G ▁ 2 2 . 2 . ▁The ▁ships ▁sort ied ▁on ▁ 5 ▁May ▁on ▁ant is ub marine ▁pat rol . ▁They ▁called ▁at ▁Cas ab lan ca ▁again ▁to ▁re pl en ish ▁from ▁ 2 9 ▁May ▁to ▁ 4 ▁June ▁and ▁put ▁to ▁sea