http://www.freerepublic.com/focus/news/846130/posts
...you will see what the Japanese are up against. The Norkies have trained incessantly in order to create a lot of trouble in Japan if/when push came to shove; unfortunately, their targets also include American servicemen and servicewoman at all of our bases, and American civilians, not just the Japanese people themselves. The DPRK does not have to attack the US directly on our soil proper, in order to attack United States interests, and hence the United States itself, in which case we are then in a full fledged war with North Korea.