The <a href="https://en.wikipedia.org/wiki/Boeing_367-80" id="mw_g" rel="mw:WikiLink" title="Boeing 367-80">Boeing 367-80</a>, the prototype for both the <a href="https://en.wikipedia.org/wiki/Boeing_707" id="mw_w" rel="mw:WikiLink" title="Boeing 707">Boeing 707</a> and <a href="https://en.wikipedia.org/wiki/Boeing_C-135_Stratolifter" id="mwAQA" rel="mw:WikiLink" title="Boeing C-135 Stratolifter">C-135</a> series, takes its first flight.