It is the first reported discovery in South American waters of an unmanned semisubmersible vessel, Colombia's navy said.

Narco-submarine technology continues to improve and now the biggest players can carry over a dozen tons of cocaine worth tens of millions of dollars aboard a vessel. Some even go all the way to ...

Narco-submarine crew arrested in plot to ferry thousands of kilos of coke on the high seas A federal grand jury indicted six Colombian nationals for operating a narco-submarine fleet to bring ...

Two months before that, the U.S. Coast Guard said it had offloaded more than $54 million worth of cocaine — including over 1,200 pounds of drugs that were seized from a narco sub.

Combating narco-subs and narco-terrorism in the U.S. and abroad 04:35. Authorities seized more than six tons of cocaine from a semi-submersible vessel — a so-called "narco sub" — and from two ...

Six alleged drug traffickers accused of using "narco subs" and aircraft to transport large quantities of cocaine were slapped with U.S. sanctions earlier this week, according to the U.S ...