New Russian Submarines Are So Silent That The U.S. Navy Calls Them ‘Black Holes’

FYI. - New Russian Submarines Are So Silent That The U.S. Navy Calls Them “Black Holes” (The Truth, Dec 1, 2013): Did you know that Russia is building submarines that are so quiet that the U.S. military cannot detect them?  These “black hole” submarines can freely approach the coastlines of the United States without fear [...] continue reading the breaking news