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,
Junkers J 2 fuselage framing, primarily as an engineering exercise, were finished shortly before the end of 1916. It is also thought that the contrasting promise of the advanced, low drag features of the Junkers monoplane aircraft designs, versus the Junkers firm's usage of experimental non-traditional sheet metal materials, and the firm's habit of almost constant experimentation obstructing any future hope of producing its advanced designs for the "Luftstreitkräfte", compelled "IdFlieg" to create the "Junkers-Fokker Aktiengesellschaft", abbreviated as "Jfa" and pronounced as if spelled "iefa" in German, on 20 October 1917, to allow Anthony Fokker, who even flew one of the J 2