No. 491 Squadron
... that the Royal Australian Air Force's No. 491 Squadron was never based in Australia?
... that the <a href="./Royal_Australian_Air_Force" id="mwCAA" rel="mw:WikiLink" title="Royal Australian Air Force">Royal Australian Air Force</a>'s <b id="mwCAE"><a href="./No._491_Squadron_RAAF" id="mwCAI" rel="mw:WikiLink" title="No. 491 Squadron RAAF">No. 491 Squadron</a></b> was never based in Australia?