Like the Russians would allow that.
The only option the Russians have to stop it are nukes.
Their military, particularly their Air Force, are demonstrably inept.
Imagine if we invaded Mexico, got pushed back from half the territory we seized in the first three weeks, and were still putzing around a year and half later while Mexican drones hit D.C. and Blackwater contractors went on a road trip shooting down military planes and helicopters while threatening to overthrow the Chairman of the Joint Staff because of the suicidal front line orders issued month after month?
Putin’s Special Military Olympics have been a sight to behold.