THIS DOESN’T SOUND GOOD: As North Sails Subs, South Korea Gives Ships OK to Fire. “Pentagon officials are closely watching four North Korean submarines that recently went to sea, prompting South Korean commanders to give their navy a green light to retaliate if fired upon. Just days ahead of a controversial long-range rocket test and a major political conference in Pyongyang, North Korea reportedly quietly sent four of its diesel-electric submarines on deployment this week.”