military cannot detect them? These “black hole” submarines can freely approach the coastlines of the United States without fear of being detected whenever they want.
In fact, a “nuclear-powered attack submarine armed with long-range cruise missiles” sailed around in the Gulf of Mexico for several weeks without being detected back in 2012. And now Russia is launching a new class of subs that have “advanced stealth technology”.
The U.S. Navy openly acknowledges that they cannot track these subs when they are submerged .... http://investmentwatchblog.com
