C159 How to Improve Seven Annihilations

The J-7 Combat Jet was a Replica produced by the Mi G-21 that the Han Country had introduced into the Bear Country.

In the Bear Country, MiG-21 was just a fleeting moment, and was quickly replaced by MiG-23 and the like. And in Han Country, this plane was the result of blooming. The continuous production formed a huge family of the Seventh Master, even the J-8