[Alvin Walton]

I'd be of the opinion that they can do a helluva lot more damage than most say.
People talk about how we could kill them and push them back.
We would need to mobilize a lot of aircraft, carrier battle groups, and most of our Marines and a metric feckload of supplies half way around the world.
That will take some time.
I think Seoul will be overrun by then.
I'm sure we could liberate Seoul but the city would be trashed by then.