Friedrich Hefty
... that Friedrich Hefty could not become an officer in the Austro-Hungarian Aviation Troops because of his interest in aviation?
... that <b id="mwAos"><a href="./Friedrich_Hefty" id="mwAow" rel="mw:WikiLink" title="Friedrich Hefty">Friedrich Hefty</a></b> could not become an officer in the <a href="./Austro-Hungarian_Aviation_Troops" id="mwAo0" rel="mw:WikiLink" title="Austro-Hungarian Aviation Troops">Austro-Hungarian Aviation Troops</a> because of his interest in aviation?