Originally Posted by Tark

i understand that... what i am saying is that it should still be worrysome. specially the way things are turning out with russia, NK, Iran, UAE, ect... you are right a invasion would probably fail and to be honest i dont think any country in the world would want to invade the USA. there is nothing to gain from such a invasion, but many countries want to attact and harm the USA; that can be done without stepping 1 foot on american soil.