After lightly browsing /history/units, I am pretty sure many more countries might have this problem (mostly countries that would have gotten their fleet from another country like the ones mentioned above). as I have tried to refit ships from Canada, Portugal, and German East Asia and I got the same result (GEA requires a licence from Germany). This issue is not localized to West Indies Fed. can't refit any of these M-Class DDs without a licence from the Union of Britain. This is the same in Kaiserreich as you can't refit any ship from another country without a licence. In vanilla HOI4, New Zealand can't refit the cruisers it gets from focuses unless it gets a licence from the UK. From my testing, HOI4 has trouble with ships that belong to other countries. Below is and example from the West Indies Fed. Browsing the files in \history\units, Many nations have ships from other countries. An issue I have is that I am unable to refit some ships from most nations and I think I know why.