After defeat in World War I and the Treaty of Versailles, Germany was forbidden to build military aircraft. But the growing ambition of the Reich dictated the necessity of a new fleet of warplanes, so its gradual increase in aerial might was kept secret. Bombers of the 1930s were an example of this tactic, for example, the Junkers Ju 86 and Heinkel 111.
New stories from the Developers's Blog about history and gameplay of the German bombers released with update 2.0.7.