Why do 5th generations fighter of Korea, Turkey, China and India look like the F22?

In the era of third- and forth-generation aircraft, the aerodynamic layouts of fighters in various countries are very different, such as the light MiG-21, the MiG-23 with variable swept wings, the F-104 with short and thin wings t(hat can cut even vegetables), The F-4 that ditched the cannon, the slender Su-27, the handsome F-14, and … Read more