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The Office of Naval Intelligence is a division of the UNSC Navy that is responsible for counter-espionage and propaganda.

Although it is under the jurisdiction of the Navy, ONI appears to report directly to HIGHCOM. It is responsible for intelligence matters across the UNSC. As such, ONI employs members of other military branches, and even civilians, to complete the Division’s shadowy work.

Many of its functions and subdivisions are enigmatic, and its personnel are regarded as mysteries by mainstream naval officers. ONI personnel, especially officers, are often referred to as “spooks”. Agents appear to enjoy significant latitude in the discharge of their duties, often violating moral boundaries or acquiring vast amounts of UNSC resources to achieve their ends.


The Office of Naval Intelligence often operates independently of other UNSC branches. At times it contravenes the law and UNSC protocol to complete top-secret missions. It appears to have an unusually large amount of military equipment for an intelligence service, and has a strong fleet presence. The Office of Naval Intelligence possesses a destroyer-sized prowler-class starship, the UNSC Point of No Return, which is used as a command vessel and a secure conference location. ONI also manages field intelligence with units such as ONI Recon 111 liaising with mainstream UNSC military units.

Intra-ONI dynamics are often strained with intense competition amongst its own personnel. Agents operate under heavy scrutiny with mistakes often leading to demotion or termination of employment.


Section I

Section One is the main branch of ONI and the branch most often utilized by the UNSC. Most operations and intelligence gathering fall under section I’s auspices


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