Dogfighting itself is obselete, and has been for decades. Modern missiles are simply too good.
It seems that bombing still remains the most in-demand task for the airforce (fighters included). Should that be done by AI too?
The new air threat appears to stem from the ability to fit nuclear power sources onboard of cruise missiles. Which basically turns each such missile into a very determined UCAV. Kind of revisiting the project Pluto [1].