Introduction:
The MiG-21 was a continuation in the line of Soviet jet fighters built by Mikoyan-Gurevich, starting with the subsonic MiG-15 and MiG-17, followed by the supersonic MiG-19. Preliminary design studies for the MiG-21 began in the early 1950’s. The project was reworked after some tests discovered its planned engine was underpowered. Early prototypes also discovered that the best design for an interceptor and fighter was the combination of delta wings and a tailed fin with a design similar to the now familiar profile. This was also the first successful Soviet aircraft combining both fighter and interceptor characteristics in one aircraft.
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