These subs can travel 10,000 miles without refueling. More than 400 people have been arrested in the operation, which deprived the drug cartels out of more than $8.4 billion.

The six-week global naval operation dubbed ‘Orion’ resulted in the seizure of 1,400 tonnes of drugs including a massive 225-tonne haul of cocaine from a ’narco sub.’ The massive bust led by Colombia involved the security agencies of the United States,

A semi-submersible carrying 5 tons of cocaine from Colombia to Australia was seized in an international operation that netted six ‘narco subs’ and 1,400 metric tons of drugs in seven weeks.