Yeah, well the thing about going to a bigger boat is that you will eventually end up on a smaller boat. The SWO career pipeline likes you to be diverse, so they don't typically like you to stay in one platform your whole career. If you don't want a career out of it, then go out and try for one of the newer LHDs. Then after that, try for another one, or maybe an LHA. If you want excitement and adventure for your second tour, go be an OIC of a special boat team or an NGLO with the Marines.
Then again, if you really wanted excitement, you'd just go into aviation from the beginning and we wouldn't have to have this conversation.
And for God's sake...don't go Surface Nuke!!! Those guys are the most uptight guys you've ever met. I guess if you're the anal, uptight type then it's for you, but if you're not, the money's not worth it (it is a LOT of money, though).