Pictured Above: Pipagot Naval Base  (Google Earth: 38°35’40.17″N, 124°58’38.49″E) UPDATE (3/28/2011): According to Strategy Page: North Korea has apparently been building an improved version of its Song (Shark) class mini-sub. The 250 ton Sang is actually a coastal sub modified for special operations. The original design is a 34 meter (105 feet) long boat with … Continue reading DPRK expanding submarine force