The MiG-31 is a supersonic interceptor aircraft developed by the Soviet Union in the 1970s. It is designed to engage high-speed aerial threats, such as cruise missiles and enemy bombers, at long ranges. The aircraft features advanced radar and missile systems, allowing it to operate effectively in various weather conditions and at high altitudes. Equipped with twin engines, the MiG-31 can reach speeds of over Mach 2.8, making it one of the fastest operational fighter jets. It has a distinctive design with a long fuselage and large wings, which contribute to its stability and performance during high-speed flight.