This would have been obvious to anyone following the war in Vietnam, even.
The Iranians have explicitly tweeted:
"For years, we've been awaiting the Americans' entry into the designated points, and for over two decades, we've been training with the asymmetric warfare strategy for this very moment. Now, we have just one message for the American soldiers: Come closer."
The Iranians have explicitly tweeted:
"For years, we've been awaiting the Americans' entry into the designated points, and for over two decades, we've been training with the asymmetric warfare strategy for this very moment. Now, we have just one message for the American soldiers: Come closer."
Also the war games from a quarter century ago: https://en.wikipedia.org/wiki/Millennium_Challenge_2002