"Leutnant August Hanko was a World War I flying ace credited with five aerial victories."@en . . "Unknown"@en . . . . . "Infantry, then flying service"@en . . "August Hanko"@en . . . "FFA 38, KG II, Jasta 20, Jasta 28"@en . "Leutnant"@en . . . "Germany"@en . "August Hanko"@en . "Unknown"@en . "Leutnant August Hanko was a World War I flying ace credited with five aerial victories."@en . .