Welcome to the forum from Wash St Coast and thank you for your service My DAD was a Proud Shallow water sailor
,you mentioned it is leak prone and all of us here in this part of the Country know about all the rain ,Even when I had my Old 2012 it leaked in the bedroom when I first bought it all it takes is a little missed caulking from the factory to cause problems so go around ALL the seams on the roof and the cap,Slides and where mine was leaking was on the Bottom of the bed slide the little 1 inch strip all along the bottom was missing a little caulk and the rain traveled into the closet and next to the bed So Check All the caulking and Also be sure to put a few Dehumidifiers(DRI-EZ etc..) in the Closet to Ward off Mold it gets real bad here in the NW