I think those Ukrainians really had nothing to lose. If the Russians mowed them down, it would be in front of the eyes of the world, a war would have started, and they would be immortalized as being martyrs. I think if we were in their position, we would do the same. We would be crapping in our pants, sure, but we would do the same.
And here is the badass commander, Colonel Yuri Mamchur: