Entitled: Aeroplane attacking troops from low height at Vierzy during Soissons attack. Sketch of German airplane firing on Allied troops at Vierzy, France, during World War I by Lucien Jonas. The Deutsche Luftstreitkrafte (German Air Force) was the air arm of the German Army during World War I. The fighters received the most attention in the annals of military aviation, since it produced high-scoring "aces".