▁found ered ▁and ▁s ank ▁during ▁exer cis es ▁in ▁the ▁North ▁Sea , ▁killing ▁ 2 0 ▁of ▁the ▁ 2 1 ▁member ▁crew . ▁ ▁The ▁British ▁tra w ler ▁St . ▁Martin ▁res cu ed ▁the ▁l one ▁surv iv or ▁about ▁ 2 0 0 ▁miles ▁east ▁of ▁T yn em outh . ▁The ▁U - H ai ▁had ▁been ▁the ▁U - bo at ▁U - 2 3 6 5 ▁in ▁Naz i ▁Germany ' s ▁Kriegs marine ▁during ▁World ▁War ▁II , ▁and ▁was ▁sc utt led ▁in ▁ 1 9 4 5 ▁after ▁the ▁German ▁surrender . ▁ ▁It ▁had ▁been ▁raised ▁and ▁rep a ired ▁and , ▁on ▁August ▁ 1 5 , ▁ 1 9 5 7 , ▁recomm ission ed ▁as ▁the ▁first ▁sub marine ▁in ▁West ▁Germany ' s ▁Bundes marine ▁fleet . ▁ ▁When ▁" a ▁w eld ed ▁se am ▁of ▁the ▁pre fab ric ated ▁boat ▁split ", ▁the ▁compart ment ▁instantly ▁flo oded . ▁Richard ▁F . ▁Gordon , ▁Jr . ▁performed ▁a ▁stand - up ▁E VA ▁from ▁Gem ini ▁XI , ▁extending ▁through ▁the ▁h atch ▁to ▁take ▁astronom ical ▁photos . ▁Pil ot ▁P ete ▁Con rad ▁reported ▁that ▁the ▁space walk ▁was ▁so ▁relax ing ▁they ▁both ▁fell ▁as leep ▁for ▁a ▁moment ▁after ▁sun r ise . ▁Born : ▁A amer ▁So h ail , ▁Pak ist ani ▁cr ick eter , ▁in ▁L ah ore ▁D ied : ▁ ▁Ger tr ude