A Silent Sub Runs Rings Around the US Navy

This link is to a video about a submarine that has the US Navy worried. It’s a new type of silent submarine and it is able to elude our most sophisticated detection devices. It has penetrated our best defenses repeated and in theory it has sunk our finest nuclear hunter- killer subs and even our largest aircraft carrier. It’s literally run rings our ships in war games. Now watch this amazing video:

http://www.youtube.com/watch?v=Khaa3y0i87s