After playing through Modern Warfare 2 again today, I started to wonder just what would actually happen. So, act of Alien Space Bats, Russia and the US go to war next Thursday. Neither side will use nuclear weapons unless Captain Price turns out to be real, and no other nations will get involved, although American or Russian bases on foreign soil can still be used. Now what happens? Is there any way Russia could actually invade the US? Will America invade Russia? Or since the two nations don't really share a border, will there just be naval and air battles and some smaller fights in odd places?