If You Change the Model, What the Hell Are These Fourth-Generation Fighters?

Parallel world, Blue Star. Eucommia was reborn in the 1990s and became the director of the Red Sun Aviation Experience Center. Received an order to repair and modify a MiG-21 aircraft. The requirements are very simple, just look powerful and sturdy, and be able to fly. "Be more powerful, right? Just be able to fly, right?" Du Zhong expressed dissatisfaction and directly launched the scientific research and manufacturing platform: "Scientific research and transformation system, show me what can be modified!" The improvement plans for this aircraft are as follows: Power system: Replacement of turbofan-10B engine Navigation system: Replacement with Beidou satellite navigation system ? Weapon system: equipped with air-to-air missiles, rockets, anti-ship missiles... ?...... What, someone dares to cause trouble for a rabbit? Immigration harassment by Eagle Sauce? The fighter plane is close to the face and opened wide! ! Monkey border trouble? The tanks crushed them all the way! ! Foot pot chicken island clamor? The aircraft carrier is coming to your home! ! Do you still dare to say that this is just an ordinary aviation museum? Not a military factory? It's almost like a military base! ! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.