"8" brave Ukrainians in Western warbirds, hrmmm. AD assets aside that's worth times 3 in Russian equivalents I'd say. It doesn't take many Ukrainians to kill a lot of Russians, as we've seen. Take away the (non AESA) R-77 and what do those barely trained hungover Russian pilots have? Other than a hope an S-300/400 will bail them out? Jack shit. Remember what the Poles did to the Germans while flying for Britain? It might be something like that, we'll see. Apparently they are impressing the hell out of our AF guys, that's aside from learning English as well in most cases.
I do enjoy the surge of indignant denial from Kremlin ballsuckers whenever a potent system is given to Ukraine. F-16s on tankies, haha it's like what Hillary laughing does to magats. If the Russians keep getting clusterfucked like they did in Urozhaine, those F-16s might not have much to do by next year.