HMS Aldborough
... that two future Admirals of the Royal Navy began their careers aboard HMS Aldborough, a sixth-rate coastal survey vessel?
... that two future <a href="./Admiral_(Royal_Navy)" id="mwCXY" rel="mw:WikiLink" title="Admiral (Royal Navy)">Admirals</a> of the Royal Navy began their careers aboard <b id="mwCXc"><a href="./HMS_Aldborough_(1727)" id="mwCXg" rel="mw:WikiLink" title="HMS Aldborough (1727)">HMS <i id="mwCXk">Aldborough</i></a></b>, a <a href="./Sixth-rate" id="mwCXo" rel="mw:WikiLink" title="Sixth-rate">sixth-rate</a> coastal survey vessel?