it will be a disaster if war between china and US begins. that means end of the world. they have nuclear weapons. thin about this,
war begins --> china and u.s. throw nuclear bombs to each other --> they also throw nuclear bombs to russia and europe --> europe and russia throw nuclear bombs to...
I'd like to see that in the near future, Pakistan and China will jointly develop the F35 version of J20 for both Pakistan/Chinese air force. Don't think J20 fit for Pakistan considering the cost and strategy.