I am not sure if it worths your time on this matter. It is more a personal matter that I told you the other day in Frankfurt. If you remember, I was talking about behaviours that made me wonder about my idea of Rheinland. This time, it is not a Military but more an agent. I don't think the agent in question is under your command but the vessel's callsign is Maximilian.
The IFF of the ship might be broken but it is up to you if you want to investigate or not. All will be in the attachements to give you the full picture. In my place, let's be honest, it can be concerning don't you think?