I think that a large number of retiring European F-16 are pledged to Ukraine. Without checking, I think 75+. Of course, transfer to Ukraine can be blocked by the US.All NATO would have do is give Ukraine a proper airforce. Each country could spare ten jets and Russia is probably cooked. Has Zelensky ever brought up the fact that the way his country is being armed is basically designed to drag the war out and stop eitherside from claiming victory?
In the long term a fighter force based on Gripen C/Gripen E would suit Ukraine best IMO. US could block those, too.