Fleet class USVs
... that the Fleet class USVs are the first unmanned vessels to receive U.S. Navy hull numbers?
... that the <b id="mwAVI"><a class="mw-redirect" href="./Fleet_class_USV" id="mwAVM" rel="mw:WikiLink" title="Fleet class USV">Fleet class USVs</a></b> are the first <a href="./Unmanned_surface_vehicle" id="mwAVQ" rel="mw:WikiLink" title="Unmanned surface vehicle">unmanned vessels</a> to receive U.S. Navy <a href="./Hull_number" id="mwAVU" rel="mw:WikiLink" title="Hull number">hull numbers</a>?