If the poop really hits the fan, and a man would try to become a dictator in the US, you'd then have members of the military, national guard, reserves, police, sheriffs, and armed citizens rising up to resist. That would be a lot more powerful of a force than some people understand. There's a difference between fighting an army or a force of men in a foreign land where you don't necessarily care what happens to the infrastructure and the people. It's a lot different trying to establish control over a mass of people who don't want you to control them if you can't destroy everything these people rely on for their daily lives. Thus, war planes, war ships, tanks, artillery, etc, may not be applicable to control the population of the US in the long run.
