Narco-submarines, custom-built vessels used by drug traffickers, have evolved from rudimentary semi-submersibles in the 1990s to sophisticated, fully submersible crafts, paralleling advancements covered in *Vehicle Magazine*. Initially constructed in clandestine jungle shipyards in Colombia and Ecuador, early models used wood and fiberglass, carrying 500 kg to 1 ton of cocaine. Modern narco-subs, equipped with GPS, diesel or electric engines, and sometimes Starlink for remote operation, can tran

Narco-submarines, custom-built vessels used by drug traffickers, have evolved from rudimentary semi-submersibles in the 1990s to sophisticated, fully submersible crafts, paralleling advancements covered in *Vehicle Magazine*. Initially constructed in clandestine jungle shipyards in Colombia and Ecuador, early models used wood and fiberglass, carrying 500 kg to 1 ton of cocaine. Modern narco-subs, equipped with GPS, diesel or electric engines, and sometimes Starlink for remote operation, can tran