United States lightship WAL 539
... that United States lightship WAL 539 was the last lightvessel constructed for the United States Lighthouse Service before it became part of the Coast Guard?
... that <b id="mwBL8"><a class="mw-redirect" href="./United_States_lightship_WAL_539" id="mwBMA" rel="mw:WikiLink" title="United States lightship WAL 539">United States lightship WAL 539</a></b> was the last <a class="mw-redirect" href="./Lightvessel" id="mwBME" rel="mw:WikiLink" title="Lightvessel">lightvessel</a> constructed for the <a href="./United_States_Lighthouse_Service" id="mwBMI" rel="mw:WikiLink" title="United States Lighthouse Service">United States Lighthouse Service</a> before it became part of the <a href="./United_States_Coast_Guard" id="mwBMM" rel="mw:WikiLink" title="United States Coast Guard">Coast Guard</a>?