Well, at least when the defender is surrounded.

One thing I've noticed is the extreme nimbleness of the Ukrainians, in contrast to the Russians, who appear to be stuck in the mud, sometimes literally. Last night, on CNN, they had a piece on the volunteer force of drone operators. When the Russians finally caught on that they were not safe, parked on the highway from Belarus to Kyiv, and pulled off into the woods, these guys sniffed them each out and gave the coordinates to the Ukrainian artillery and predator drones. Then they mopped them up, one tank and APC at a time. One officer commented that it appeared that the Russians were fighting a 20th century war and the Ukrainians a 21st...