At the outbreak of World War I the German government took control of the factory. Fokker remained as director and alleged designer of many aircraft for the Imperial German Army Air Service ("Luftstreitkräfte"), including the Fokker "Eindecker" and the Fokker Dr.I, the triplane made famous in the hands of aces such as Manfred von Richthofen (the Red Baron). In all, his company delivered about 700 military aircraft to the German air force as well as supplying the German navy and Austria-Hungary.