HMS Benbow's
...that HMS Benbow's class, the Iron Dukes, were the first Royal Navy battleships to mount anti-aircraft guns?
...that <b id="mwECM"><a href="./HMS_Benbow_(1913)" id="mwECQ" rel="mw:WikiLink" title="HMS Benbow (1913)">HMS <i id="mwECU">Benbow</i></a>'s</b> <i id="mwECY">(pictured)</i> class, the <a class="mw-redirect" href="./Iron_Duke_class_battleship" id="mwECc" rel="mw:WikiLink" title="Iron Duke class battleship"><i id="mwECg">Iron Duke</i>s</a>, were the first <a href="./Royal_Navy" id="mwECk" rel="mw:WikiLink" title="Royal Navy">Royal Navy</a> <a href="./Battleship" id="mwECo" rel="mw:WikiLink" title="Battleship">battleships</a> to mount anti-aircraft guns?