▁B isc ay , ▁out bound ▁on ▁ 1 4 ▁June ▁ 1 9 4 3 , ▁when ▁a ▁S under land ▁flying ▁boat ▁of ▁ 2 2 8 ▁Squadron ▁R AF ▁un success fully ▁depth ▁charged ▁the ▁three ▁boats . ▁In ▁the ▁afternoon , ▁it ▁was ▁much ▁the ▁same ▁story , ▁but ▁this ▁time ▁a ▁Wh itle y ▁from ▁No . ▁ 1 0 ▁O T U ▁was ▁involved . ▁One ▁man ▁from ▁the ▁U - bo at ' s ▁crew ▁was ▁wounded . ▁A ▁second ▁Wh itle y ▁from ▁the ▁same ▁unit ▁arrived , ▁but ▁could ▁only ▁exchange ▁fire ▁with ▁the ▁sub marine ▁as ▁it ▁had ▁exp ended ▁all ▁its ▁depth ▁charges ▁in ▁a ▁previous ▁eng agement , ▁the ▁boat ▁escaped . ▁▁ 6 th ▁pat rol ▁and ▁loss ▁The ▁sub marine ▁had ▁moved ▁to ▁St . ▁Naz aire ; ▁she ▁depart ed ▁from ▁this ▁French ▁Atlantic ▁port ▁on ▁ 2 ▁January ▁ 1 9 4 4 . ▁On ▁ 2 4 ▁February , ▁she ▁was ▁attacked ▁and ▁s unk ▁in ▁mid - At l antic ▁by ▁the ▁Canadian ▁fr ig ate ▁, ▁assist ed ▁by ▁. ▁( A ▁former ▁crew ▁member ▁from ▁W ask es iu ▁has ▁stated ▁that ▁N ene ▁merely ▁picked ▁surv iv ors ▁up ). ▁Th irty ▁men ▁died ▁in ▁the ▁s inking , ▁there ▁were ▁nin ete en ▁surv iv ors . ▁ ▁Wolf pack s ▁U - 2 5 7 ▁took ▁part ▁in ▁seven ▁w olf pack s , ▁namely . ▁ ▁L uchs ▁(