Clash of Wings would provide a glimpse at the speed and efficiency of what was to come throughout the rest of World War II. Aircraft featured: Hawker Hurricane, Supermarine Spitfire, Messerschmitt Bf 109, Messerschmitt Bf 110, Junkers Ju 88, Heinkel He 111, Dornier Do 17, Dornier Do 217, Junkers Ju 87, Bristol Blenheim, Fairey Battle and Junkers Ju 52. The Russian Front: Operation Barbarossa and Germany's failure to bring a quick resolution to that particular campaign was arguably the turning point of the war in Europe. Aircraft featured: Polikarpov I-153, Tupolev SB-2, Il-2, PE-2, Bf 109F/G, Ju 88, Ju 87, Ju 52/3m, Yak-9,
Hugo Junkers in Dessau. The iron wings were patented one year later. Junkers had a wind tunnel built and invented a hydraulic brake. He had far-sighted ideas of metal aeroplanes and flying wings, but the necessities of the war held him back. During World War I, the government forced him to focus on aircraft production. In 1915, he developed the world's first practical all-metal aircraft design, the Junkers J 1 "Blechesel" (Sheetmetal Donkey), which survived on display in Deutsches Museum in Munich until World War II. His firm's first military production design in 1916–17 was the armored-fuselage, two-seat, all-metal sesquiplane known by