They exist, but don't exactly live near by. Most if not all of these things are our toys. If it was exposed that these were US military there would be no parity on the global playing field. It would make the ballance of power globaly a moot point. This is why our toys suck. Imagine what it would have been like if the leaders of the last 70 years had full acess to the toy box? We would all be dead! Or would be slaves, even more than we are now.