WATCH: U.S. Coast Guard Boards Suspected Narco-Sub In High-Speed Chase
The semi-submersible vessel was reportedly carrying more than 17,000 pounds of cocaine, worth some $232 million.
A high-speed chase involving a suspected narco-submarine out in the eastern Pacific Ocean offers a look into just how dangerous the U.S. Coast Guard's operations to combat drug smuggling can be.
The dramatic, one-minute video was on Thursday.
