One type of submarine that you may not have considered is the narco submarine, used in the illicit trade of drug smuggling around the world.

A federal grand jury indicted six Colombian nationals for operating a narco-submarine fleet to bring 5,000 kilograms of ...

An curved arrow pointing right. A U.S. aircraft was flying over open water off the coast of El Salvador when they noticed a submarine at the water's surface. The U.S. Coast Guard seized the "narco ...

One type of submarine that you may not have considered, though, is the narco submarine. These subs have a connection to narcotics, being used in the illicit trade around the world. Often ...