14"/50 caliber gun
... that the 14"/50 caliber gun was slated to be the main armament for the Lexington-class battlecruiser, but that class was redesigned in 1917?
... that the <b id="mwDtA"><a class="mw-redirect" href='./14"/50_caliber_gun' id="mwDtE" rel="mw:WikiLink" title='14"/50 caliber gun'>14"/50 caliber gun</a></b> was slated to be the main armament for the <a about="#mwt18" data-mw='{"parts":[{"template":{"target":{"wt":"Sclass","href":"./Template:Sclass"},"params":{"1":{"wt":"Lexington"},"2":{"wt":"battlecruiser"}},"i":0}}]}' href="./Lexington-class_battlecruiser" id="mwDtI" rel="mw:WikiLink" title="Lexington-class battlecruiser" typeof="mw:Transclusion"><i>Lexington</i>-class</a><span about="#mwt18"> </span><a about="#mwt18" href="./Battlecruiser" id="mwDtM" rel="mw:WikiLink" title="Battlecruiser">battlecruiser</a>, but that <a href="./Ship_class" id="mwDtQ" rel="mw:WikiLink" title="Ship class">class</a> was redesigned in 1917?