No problem here JS, glad you did it. It helps explain things some of us don't realise or know about SHIII Commander, and the real way things worked in command on U-boats. You did good so don't worry about it... it wasn't a hyjacking as far as I'm concerned.
I only started this as some of the guys were missing that 5th Officer and the only way anyone found to get him back was to go back to a previous patrol. Tho I can't get him back as some would like, I did find by accident how to replace him and get another who show's up for a patrol. LOL If it wasn't for your SHIII Commander, it wouldn't have been possible. If you want you can add how to solve the problem to your readme, I don't mind.