Original: The term wehrmacht is in Article 47 of the 1919 Weimar Constitution, establishing that: Der Reichspräsident hat den Oberbefehl über die gesamte Wehrmacht des Reiches ("The National President holds supreme command of all armed forces of the nation").
Simplified: Around three hundred German pilots received training at Lipetsk, some tank training took place near Kazan and toxic gas was developed at Saratov for the German army.