"Unknown"@en . "Kumbor Naval Air Station, Durazzo Naval Air Station, Pola Naval Air Station"@en . "Austro-Hungary"@en . "Fregattenleutnant Friedrich Lang was a World War I flying ace credited with five aerial victories. He was one of only two naval aces of the Austro-Hungarian Empire."@en . "Friedrich Lang (World War I ace)"@en . . . . "Unknown"@en . . . . "Flying service"@en . . "Order of the Iron Crown, Medal for Bravery, 2 awards of Military Merit Cross, Military Merit Medal"@en . . "Friedrich Lang"@en . "Austria"@en . "Fregattenleutnant Friedrich Lang was a World War I flying ace credited with five aerial victories. He was one of only two naval aces of the Austro-Hungarian Empire."@en . .