Gorgon IV
... that the Gorgon IV was the first ramjet-powered aircraft to successfully fly in the United States?
... that the <b id="mwBwY"><a href="./PTV-N-2_Gorgon_IV" id="mwBwc" rel="mw:WikiLink" title="PTV-N-2 Gorgon IV">Gorgon IV</a></b> <i id="mwBwg">(pictured)</i> was the first <a href="./Ramjet" id="mwBwk" rel="mw:WikiLink" title="Ramjet">ramjet</a>-powered aircraft to successfully fly in the United States?