Welcome aboard Andycts! You're the second newby I welcomed today. We like newbies, their easy to push around.
It sounds like you're having fun. The mods do an incredible job improving the game.
Since you're an experienced submariner, then you need a job with responsiblity. Cap Wernher VonTrapp needs a new XO, I think you'll do well. The last one had a mental breakdown of some sort. The details are ugly.