HMS Stratagem
... that the British submarine HMS Stratagem sank only one ship in its 13-month-long career—only three days before it was itself sunk?
... that the British submarine <b id="mwArU"><a href="./HMS_Stratagem" id="mwArY" rel="mw:WikiLink" title="HMS Stratagem">HMS <i id="mwArc">Stratagem</i></a></b> sank only one ship in its 13-month-long career<span id="mwArg" typeof="mw:Entity">—</span>only three days before it was itself sunk?