DIY Submarines

The DIY Submarines Smuggling Millions of Dollars of Cocaine Into the U.S.

Smuggling, meet innovation.

Dan Dubno

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Wet mangroves line the rivers that meet the ocean along ­Colombia’s Pacific coast. The dense tropical canopy beneath them makes for stifling heat—and the perfect cover from prying U.S. satellites. For the past 25 years, drug smugglers have hidden entire manufacturing operations beneath these trees. Not drug-manufacturing operations—they’re making submarines. In the middle of the jungle. And, for the first time ever, they’ve gone electric. Last summer, the Colombian military captured a drug sub powered by smaller, quieter electric engines and more than 100 batteries.

Choco, Panama, July 2017. Although prototypes were found in the mid-1990s, the first drug-carrying sub wasn’t captured until 2006. Models have ranged from sealed and covered go-fast boats to fully functional submarines. Last year, one was captured with an electric engine.

Daily Mail

 

At the building sites, smugglers ferry in thousands of pounds of materials, a labor force, and, sometimes, Russian submarine designers. They construct subs up to 100 feet long, typically made of wood, fiberglass, and Kevlar to avoid radar detection, and capable of carrying as much as eight tons of cargo. Filled with cocaine, that’s a street value of nearly $200 million. The subs themselves can cost $2 million to build and often feature snorkels, radar, and air-conditioned sleeping quarters for at least a captain, navigator, and a guard. Although a few are built with twin hulls and periscopes to allow them to submerge hundreds of feet, the majority travel just at or beneath the surface of the ocean, their blue-gray paint camouflaging them with the sea. To keep from showing up on thermal scans, some even have lead-lined heat shields and exhaust systems that are routed underneath the sub, giving the exhaust time to cool before it rises to the surface.

According to the DEA, Colombia produced as much as 910 metric tons of cocaine in 2016, a 32 percent increase from 2015. By some estimates, one third of that travels via these vessels. At a Senate Armed Services Committee hearing in February, Admiral Kurt Tidd, commander of U.S. Southern Command, estimated that the U.S. intercepts only 25 percent of the drug subs coming to the U.S.—a number that has not improved in years. The challenge, says Erik Soykan of the U.S. Department of Homeland Security, is not only finding the subs. It’s having someone close enough to catch them. “The subs are so low to the water that it takes an airborne radar system to detect them,” Soykan says. U.S. Customs and Border Protection has more than a dozen such systems, but the area they must cover is vast: larger than the entire United States. “When we do get them on the radar, we can track them,” Soykan says. “The hope is that there’s an interdiction force on the water that is able to intercept. There are many times when we know they’re out there, and there’s just nobody there to go after them. That’s frustrating.”

Cartagena, Colombia, October 2014

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Sometimes the Coast Guard intercepts a sub only to have the drugs disappear. Smugglers will drag an unmanned vessel behind the main boat, 100 feet below the surface. Once discovered, they sink the cocaine-stuffed drone so that another group can later track it on encrypted transmitters, recover the drugs, and continue delivery. DHS, Soykan says, is developing technology to fight drug subs and other smuggling innovations. He just can’t talk about it. Much: “What I can say is that there is technology out there that allows you to listen to other radios. You put it on scan and listen to other people talking.” It’s a constant cycle of technological one-upping. With no end in sight.