The Russians Can't Conquer and Hold Ukraine Without Tanks

I think russia can't conquer and hold ukraine when there are that many anti tank weapons in country. You can't do it without tanks, because there are enough missiles to take em all out. Now, i think they can control the sky. They can do artillery forever. Is artillery easily targeted by? I mean, you'd have to find it first, but is it easily targeted by the same types of missiles? Can you use an anti tank weapon on artillery? I see some yeses. It would have a heve sign so i would think so. But you would have people hunting for it behind, behind the front lines. So here's where i think things going