Complex sentence: Flying from forward airfields at Monchy-Breton, "Hauptmann" (Captain) Wilhelm Balthasar led "JG" 1 against the British Spitfires and claimed two of the four from his unit but lost one pilot killed.
Split into simpler sentences: Flying from forward airfields at Monchy-Breton, "Hauptmann" Wilhelm Balthasar led "JG" 1 into battle against Spitfires. He claimed two of the four from his unit but lost one pilot killed.