I Don't Think You Can Conquer a Country Without Tanks

i thought russian tanks couldn't survive american technology, meaning the shoulder mounted stuff and the dromes. So i believe that ukraine would have enough of the good technology that the russia tanks would be stopped cold. I don't think you can conquer a country without tanks. And ther o cong o have em. That tells me that the ukranians will eventually stall their tanks and start picking them off until the russian army has to dissolve or e disappear. What would ever stop from losing? I'm in russia for losing. How in the world?