Oswald Boelcke: Germany's First Fighter Ace and Father of Air CombatCarte audioOswald Boelcke: Germany's First Fighter Ace and Father of Air CombatdinBGen R. G. HeadEvaluare: 4 din 5 stele4/5Salvați Oswald Boelcke: Germany's First Fighter Ace and Father of Air Combat pentru mai târziu