Having subs changes the range limitations of their missiles. I hadn't heard of this before...get your news first on Paranormalis! I watched a vid, 'Inside NK' done by National Geographic in 2006. The people from birth have been brainwashed. They live for their leader and will die for their leader, they are like robots, which in itself is dangerous with the large army they have. You almost have to blow their country off the map if they start any war to minimize the treat of fighting their large army.