Really? A standing Army, without desertions(of which they would be many perhaps 50%), of 500,000 will occupy 20+ states with 180 million people(mostly armed)? It is you that are the dreamer. Our Army while it does contain a few pocket of professionalism, is tiny and is mostly deployed overseas. A good thing looking at our current CIC.
Air power, AWACS, armor, artillery, snipers that practice hours every day, ability to track and shut down all communications and transportation, armed drones, AC-130 Spooky gunship, new automatic weapons, grenades of all sorts...
Reserves, National Guard, various alphabet agencies, state police, city police, UN, foreign militaries...