The evolution of the iconic MiG-21 The Mikoyan-Gurevich MiG-21, a small delta-winged supersonic interceptor first flown in 1955, is possibly the most recognizable military aircraft of its era. It is also the most numerous, with over 10,000 manufactured in the Soviet Union, 800+ in India, almost 200 in Czechoslovakia and another 2,000 in China. …