The Ukrainians aren't some ragtag group. Literally thousands of antitank weapons have been supplied to them.
The Ukrainian military, and even their air force, are still coordinated and operational.
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This means that rifle militia aren't there to kill a tank. They are there to force the tank commander inside with small arms fire. Tanks are famously difficult to see out of.
Once in there, the tank is a sitting duck to a Javelin or Panzerfaust will kill the tank reliably.
This isn't 100 poorly trained militia vs tank.
The situation is closer to 100 poorly trained militia + 5 professional soldiers armed with NATO top of the line antitank missiles vs tank.
The Ukrainian military, and even their air force, are still coordinated and operational.
---------
This means that rifle militia aren't there to kill a tank. They are there to force the tank commander inside with small arms fire. Tanks are famously difficult to see out of.
Once in there, the tank is a sitting duck to a Javelin or Panzerfaust will kill the tank reliably.
This isn't 100 poorly trained militia vs tank.
The situation is closer to 100 poorly trained militia + 5 professional soldiers armed with NATO top of the line antitank missiles vs tank.