Jester, it's great to hear you're wanting to do some modeling. And, it looks like you're a quick learner with the game....Yes the Conning Towers are in the "Objects" folder.
I've done some modeling attempts with Blender (my "hobby" pocket book can't afford the 3Ds Max price tag). Since Blender works differently, there's always problems with getting models put into an .obj format so it can be imported back into the game. I understand 3Ds Max makes it easier. S3D has its limitations, and quirks too, which can be a stumbling block.
When you have the time
......making 3D models of the American Medals (the medals that the stock game
doesn't use) would be a benefit. The models go in the Captain's Award Box found in the Captain's Office, on the desk.
See, we already have a list for you to work on!!
Welcome to SubSim!