3fe986ad_ive____Departments___Positions___Starfleet_and_the_Federation_
[Commanding Officer] Chief of Security
Aboard a Starbase, the Chief of Security is perhaps the most important position of all. S/he is responsible for enforcing Federation law and station policy among residents and businesses.
Borderlands Defense Initiative :: Departments & Positions
Ultimately responsible for the station and crew, the Commanding Officer is the most senior officer. S/he is responsible for carrying out the orders of Starfleet, and for representing both Starfleet and the Federation.