Mihajlo Petrović
... that Mihajlo Petrović was the second combat casualty in the history of military aviation?
... that <b id="mwAzQ"><a href="./Mihajlo_Petrović_(pilot)" id="mwAzU" rel="mw:WikiLink" title="Mihajlo Petrović (pilot)">Mihajlo Petrović</a></b> was the second combat casualty in the history of military aviation?