Mig-31

The Mikoyan MiG-31 is a supersonic interceptor aircraft developed for the Soviet Air Forces by the Mikoyan design bureau as a replacement for the MiG-25. It is one of the fastest known operational combat aircraft in the world, with a top speed of around 3,000 km/h, and continues to be operated by the Russian Aerospace Forces. The MiG-31 is based on and shares design elements with the MiG-25, and was developed to address its predecessor's limitations, including lack of maneuverability at low altitudes and limited speed.learn more on wikipedia