Thanks. So, if one wants to make O-6 and possibly command a cruiser someday, trying to command a smaller ship at a more junior rank is not the way to go? It's better to be department head and then XO of a larger vessel?
By the time this question is of any relevance to you, you will have the necessary experience and context to make an informed decision, as well as direct access to those who can offer much more experienced opinions.