Halo Story Page | Structure of the UNSC

- Unified Earth Government
-- United Nations
-- United Nations Space Command
--- HIGHCOM (High Command)
---- UNSC Security Committee
--- CENTCOM (Central Command)
---- UNSC Navigation Command
---- UNSC Personnel Command
---- UNSC Engineering Corps
---- UNSC Astrophysics
---- UNSC Medical Corps
---- UNSC Logistical Corps (Logistics Operations Command)
----- Office of Investigations
---- UNSC Ordnance Committee
---- UNSC Operational Evaluations
---- UNSC Navy
----- Fleet Command
----- Office of Naval Intelligence
------ Section 0
------ Section 1
------ Section 2
------ Section 3
------ ONI Signal Corps
------ Naval Special Warfare (NavSpecWar)
------- ORION Project
-------- SPARTAN-I Program
------- SPARTAN-II Program
------- Beta-5 Division
-------- SPARTAN-III Program
----- UNSC Prowler Corps
----- UNSC Marine Corps
------ UNSC Marine Military Police
------ UNSC Marine Special Forces
------- Orbital Drop Shock Troopers
---- UNSC Army
---- UNSC Air Force
---- UNSC Department of Commercial Shipping