Impressive! It very well could mean that you don't want to seriously fÃ¼ck with these guys. They very much look as if they know what they're doing.
But, of course, the Septic end of things will conjecture that all this is bollocks and the troops in question are monsters, or especially trained, or diabolical formations of the home troops. However, maybe they're just tired old hands. Who knows?
Iranian version of river dancing? Does anyone really see this as a viable military skill?
Americans view on Iranians are this: Anyone with a rifle is to be taken seriously, however, on the worry meter seeing as how these guys had an 8 year war with a country that we beat conventionally in a few months leaves something to be said.