So I see that the US Harbor glitch from OM has not been fixed - fully.
For some reason, ships in US ports are duplicated as in this example.
In OM, most of the time, the second ship was superimposed on an angle which made them easier to see but also did not automatically sink the second ship. In the instance above one torpedo gave me credit for sinking both ships which is a) nice, but b) probably not historically accurate.
It is something about the harbor. British ships in US ports have the same problem. It does not seem to matter if they are warships or merchants. But I have looked at the harbor files and I'll be damned if I can find any obvious difference between US and other ports.
Anyone else ever have this issue?