Moving a 9,000-ton destroyer halfway around the world sounds impossible until you realize you can just float it onto another ship. Here's how semi-submersible heavy lift vessels use controlled ...

Add Yahoo as a preferred source to see more of our stories on Google. Authorities seized more than six tons of cocaine from a semi-submersible vessel — a so-called "narco sub" — and from two ...

For years, drug cartels built semi-submersible vessels with one purpose beyond smuggling cocaine: sinking themselves on command. This episode explains how narco submarines and low-profile vessels were ...

April 17, 2026: Over the last two decades, Colombian drug cartels have been moving illegal drugs to European and Asian countries using submarines of various types. A recent innovation was unmanned ...