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

According to Guinness World Records, the smallest submarine ever made is just 4mm, or 0.157 inches long, and was created in 1999 by the German company MicroTEC as a mini medical device.

often referred to as "narco-submarines." These semi-submersible or fully submersible vessels are built specifically for drug trafficking. They are designed to evade radar and sonar detection and ...

Narco-submarines, the clandestine vessels used by drug traffickers, represent one of the most sophisticated and elusive methods of smuggling drugs across international waters.