Combine two separate pre-marriage accounts into one? That's a question for the BDC.
As far as the normal stuff goes, I know my Dog Tag stuff is all in my name, and much of it can be altered through the website if I were to die, which is what I would expect my wife to do rather than go through a transfer process.
Bracky will tell you straight up and down that the spouse of a booster is considered a booster, but since Tee Martin was ruled eligible despite receiving a $10k check from the wife of a booster and my efforts to get us crowned 1998 SEC Champs have failed to date, I'm not sure that rule is universally applied.