Lets look at these: 1) It is both an armed and uniformed organization - This is the case. 2) It is established by the the laws of the state - The Starfleet Charter is definately there, and it is certainly established and maintained by the laws of the state (in this case, the Federation) 3) Its statutory/founding mission is to successfully perpetrate wars and defend against foreign aggression. - It is implicit, but the fact that it routinely engages in military activities, and certainly in DS9 is the primary defensive organisation in the event of war, that this is part of it's mission from a statutory basis. Certainly, no other organisation is given the primary responsibilities in item 3. Therefore, your interpretation of this last point, the one you imply Starfleet does not meet, is in error by your definition. That certainly does not mean it is starfleet's primary mission, but it is certainly part of it's mission profile. Otherwise, Starfleet would not be caled upon for such military activities, and Section 31 would not be part of Starfleet's charter upon founding. Whether by founding or evolution, it does, on its face, meet all 3 items.