This is sort of incorrect, it is possible to flag a foreign built ship under the American flag, it just isn’t eligible for Jones Act trade. There are a few reas

This is sort of incorrect, it is possible to flag a foreign built ship under the American flag, it just isn’t eligible for Jones Act trade. There are a few reasons why a company might want to do this but for the most part, companies will choose a flag of connivence over American flag if they can sail between US ports anyways.