The Tripoli Rocketry Association is made up of "Prefectures." These are local groups geographically, that organizes meetings, events and launches for the benefits of their members and those from other prefectures. The head of a Prefecture is called a Prefect. This is usually the one responsible for the formation of the Prefecture. It could be the local President, or a designated member. The Prefect must be a responsible person, 21 or older, been a member of Tripoli Rocketry Association for at least 1 current and continuous year, and Certified Level 2 or greater with the Tripoli Rocketry Association, Inc.