> I'm guessing various countries' navies (underwater sound detection) probably can detect these vessels with some accuracy if they wanted to, they just don't have the resources/time to go after them as their top priority.
The ocean is huge and actual nation state subs are incredibly stealthy. It is far more feasible to just pay super close attention to all known subs and follow them out of known ports, focusing your tech on tracking them. Those narco "subs" just rely on how big the ocean is to avoid some patrol just happening to see them.
The ocean is huge and actual nation state subs are incredibly stealthy. It is far more feasible to just pay super close attention to all known subs and follow them out of known ports, focusing your tech on tracking them. Those narco "subs" just rely on how big the ocean is to avoid some patrol just happening to see them.