Semisubmersible vessels, also known as 'narco subs,' cannot fully submerge beneath the water surface.
October 18, 2025
high
temporal
Definition and operational characteristic of semisubmersible vessels used in illicit maritime trafficking.
International drug traffickers have increasingly used semisubmersible vessels because such vessels can sometimes elude detection by law enforcement.
October 18, 2025
high
temporal
Trend in narcotics trafficking methods involving semisubmersible vessels.