If it is so good why are systems from s-400 on down be taken down at large numbers by a few western weapons, and good number of the weapons Russians Air Force is designed to take down are failing
Big plus though they are pretty good at taking down their own aircraft.
Pretty soon no awacs for Russia and the Sam units and Russia aircraft will be scurrying
Any air defence is vulnerable to attack. As soon as it is turned on, it signals its presence.
That is different from whether USA/NATo can establish air superiority. If they can’t, the West will certainly lose in an all out conventional war against Russia - as the Counter-Offensive showed.