Authorities seize "narco sub" and illegal drugs, chemicals worth $1.6 billion

Authorities in Guyana seized a so-called "narco sub" traversing one of the nation's dense jungles. The subs are often used for international drug trafficking.

source https://www.cbsnews.com/news/narco-sub-guyana-seize-illegal-drugs-chemicals-drug-trafficking-crackdown/