M16
... that the M16 rocket was used in only a single engagement of the Second World War?
... that the <b id="mwD2s"><a href="./M16_(rocket)" id="mwD2w" rel="mw:WikiLink" title="M16 (rocket)">M16</a></b> rocket was used in only a single engagement of the <a class="mw-redirect" href="./Second_World_War" id="mwD20" rel="mw:WikiLink" title="Second World War">Second World War</a>?