Nit pick on the crew break down. First off, you list six each of officers and enlisted instead of 5/7. And also, I doubt Starfleet would have an enlistedman (or even an NCO) as XO and in charge of several officers. You might want to consider making the XO a JG or Ensign and even having fewer officers by making some of the department heads be NCOs/enlisted instead of JGs.
YMMV, of course...
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