ma duce and tracers, along with being aware of yer surroundings while in 'indian' country would make the pirates think twice...
its my understanding that the biggest prob is the various gun laws in differing countries, and many/most wouldnt allow even stowed/locked guns in their waters, much less in port, with penalties that make NYC look like candyland for any offense...
kinda screwed unless yer willin to toss yer weapons overboard everytime time ya make port...
This is one of those problems where you have to be suspicious over the ‘easy solution just not being taken’. Clearly this is a difficult one.
I remember my neighbors (and FNC BoR) telling me years ago that ethanol and windmills would make us energy independent. Try putting that windmill on a jet-liner.