Lauenburg
...that cryptologist Harry Hinsley's realisation that German weather ships were the Achilles' heel of the Enigma code led to the capture of the Lauenburg?
...that <a class="mw-redirect" href="./Cryptologist" id="mwBzU" rel="mw:WikiLink" title="Cryptologist">cryptologist</a> <a href="./Harry_Hinsley" id="mwBzY" rel="mw:WikiLink" title="Harry Hinsley">Harry Hinsley</a>'s realisation that German <a href="./Weather_ship" id="mwBzc" rel="mw:WikiLink" title="Weather ship">weather ships</a> were the <a href="./Achilles'_heel" id="mwBzg" rel="mw:WikiLink" title="Achilles' heel">Achilles' heel</a> of the <a href="./Cryptanalysis_of_the_Enigma" id="mwBzk" rel="mw:WikiLink" title="Cryptanalysis of the Enigma">Enigma code</a> led to the capture of the <i id="mwBzo"><b id="mwBzs"><a class="mw-redirect" href="./German_ship_Lauenburg" id="mwBzw" rel="mw:WikiLink" title="German ship Lauenburg">Lauenburg</a></b></i>?