The Dewoitine D.520 In the late 1930s, the major European powers all undertook the development of a new generation of fighter aircraft. In Germany, this development resulted in the Messerschmitt Bf 109. In Britain, the Hawker Hurricane and Supermarine Spitfire. And in France, this development coalesced, too late, around the Dewoitine D.520. The lack of…