, ▁she ▁could ▁travel ▁ ▁at ▁. ▁U - 2 5 7 ▁was ▁fitted ▁with ▁five ▁ ▁tor ped o ▁tub es ▁( four ▁fitted ▁at ▁the ▁bow ▁and ▁one ▁at ▁the ▁stern ), ▁four teen ▁tor ped o es , ▁one ▁ ▁SK ▁C / 3 5 ▁naval ▁gun , ▁ 2 2 0 ▁r ounds , ▁and ▁two ▁tw in ▁ ▁C / 3 0 ▁anti - air craft ▁guns . ▁The ▁boat ▁had ▁a ▁complement ▁of ▁between ▁forty - four ▁and ▁si xty . ▁ ▁Service ▁history ▁The ▁boat ▁carried ▁out ▁six ▁pat rol s , ▁but ▁did ▁not ▁sink ▁or ▁damage ▁any ▁ships . ▁She ▁was ▁a ▁member ▁of ▁seven ▁w olf pack s . ▁▁ 1 st ▁pat rol ▁U - 2 5 7 s ▁first ▁pat rol ▁began ▁on ▁ 2 1 ▁September ▁ 1 9 4 2 ▁from ▁Ber gen ▁in ▁Norway . ▁Her ▁route ▁took ▁her ▁across ▁the ▁North ▁Sea , ▁through ▁the ▁gap ▁between ▁the ▁Far oe ▁and ▁Sh et land ▁Islands ▁and ▁into ▁the ▁Atlantic ▁Ocean . ▁She ▁dock ed ▁at ▁La ▁P all ice ▁in ▁occupied ▁France , ▁on ▁ 1 8 ▁October . ▁▁ 2 nd , ▁ 3 rd ▁and ▁ 4 th ▁pat rol s ▁These ▁sort ies ▁passed ▁without ▁major ▁incident . ▁▁ 5 th ▁pat rol ▁The ▁boat ▁was ▁attacked ▁from ▁the ▁air ▁twice ▁in ▁one ▁day . ▁U - 2 5 7 , ▁in ▁the ▁company ▁of ▁ ▁and ▁ ▁was ▁trans itting ▁the ▁Bay ▁of