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 ...

Combating narco-subs and narco-terrorism in the U.S. and abroad 04:35. The Colombian navy seized a semi-submersible loaded with 3.3 tons of cocaine on Tuesday, marking the 20th such interception ...

Six so-called “narco subs” stuffed with cocaine were captured in a Colombian-led international anti-drug operation, authorities in the Latin American nation said Wednesday.

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.

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 ...