OFFICE OF NAVAL INTELLIGENCE
 OFFICIAL ORGANIZATION POSITIONS & HIERARCHY
| TITLE OF AUTHORITY
Title of authority, title of office or title of command is the official designation of a position held in ONI associated with certain duties of authority. Semi-formally, the title of office may be referred to as "position", or "office", as, e.g., in the expression "the office of admiral". Titles are not new, however never explained as the relationship to hierarchy is closely tied to UNSC rank with assumed duties of said rank.
The hierarchy of ONI is as follows below.
OFFICE OF NAVAL INTELLIGENCE
Office of the Commander-in-Chief of ONI, leader of ONI.
UNSC HIGH COMMAND
Public Trust-level decision-making body of senior military figures that is in overall control of the UNSC.
Confidential-level decision-making body of senior navy officers divided into FLEETCOM, NAVLOGCOM, NAVSPECWAR/NAVSPECWEP.
∟ Marine Corps. (ARMA), Signal Corps, Prowler Corps, Engineering Corps, Medical Corps, Press Corps, Judge Advocate General's Corps, Operational Testing and Evaluation Center, Ordnance Committee, Procurement, Commercial Shipping, Astrophysics.
HEAD OF SECTION ZERO/DIRECTOR OF OPERATIONAL INTELLIGENCE
Office of the Director of operational intelligence;
ONI SECURITY COUNCIL
Top Secret decision-making body meeting on technical analysis and internal operations.
HEAD OF SECTION ONE/DIRECTOR OF INFORMATION SERVICES
Office of the Director of information services
Office of the Commander-in-Chief of Fleet
Office of the Deputy Commander-in-Chief
Office of the Chief of Naval Personnel
Office of the Senior Enlisted Advisor
Office of the Commander-in-Chief of Spartan Operations (Spartan)
Office of the Chief of Staff of Spartan Operations
HEAD OF SECTION TWO/DIRECTOR OF TECHNICAL ANALYSIS
Office of the Director of technical analysis.
DIRECTOR OF IRREGULAR WARFARE
Office of the Director of Irregular Warfare
HEAD OF SPECIAL FORCES
HEAD OF SECTION THREE/DIRECTOR OF SPECIAL ACTIVITIES (IR
ONI SECURITY-HEAD OF SECURITY
Leading security official.
COMMANDER-IN-CHIEF OF THE OFFICE OF NAVAL INTELLIGENCE
The Commander-in-Chief of the Office of Naval Intelligence (CINCONI) is the leading flag officer of the Office of Naval Intelligence (ONI) who serves as the command's administrative and operational director. The CINCONI oversees the day-to-day operations of the command and deploys its assets. Under the CINCONI's command exists a microcosm of the UNSC's warfighting capability with its various direct action and covert special operations units, security forces, and warships. Although ONI maintains numerous security councils and a number of checks and balances within the organization proper, the CINCONI still holds the most power within the Office of Naval Intelligence. This office is currently held by @ADM S Osman following the Halo story.
CHIEF OF NAVAL OPERATIONS / COMMANDER-IN-CHIEF OF THE FLEET
The Chief of Naval Operations (CNO) is an office of the UNSC Naval Command held by a high-ranking flag officer, typically a fleet admiral, who is the UNSC Navy's senior officer. the Chief of Naval Operations is also dual-hatted as Commander-in-Chief Fleet (CINCFLEET), and in this capacity, presides over the Navy's primary combatant command with authority over the Fleet's vast array of warships and small craft. The CNO is the Navy representative to the UNSC Security Council at HIGHCOM Facility Bravo-6 in Sydney, Australia; the Commander-in-Chief of the Office of Naval Intelligence (CINCONI) who leads the UNSC's intelligence service, despite being a subordinate command of the Navy, sits on the council in an equal capacity. This office is currently Vacant as of 2020.
DEPUTY CHIEF OF NAVAL OPERATIONS
The Deputy Chief of Naval Operations (DCNO) is a title held by a high-ranking officer of the UNSC Navy—traditionally a vice admiral. The position is also called the Chief of Naval Personnel (CNP) performing the similar duties to the modern term. The DCNO performs all strategy and resource policies and serves as a single resource sponsor for all manpower and training program matters. The DCNO also performs all administrative related duties, including supervisory roles in testimony for matters pertaining to the Manpower, Personnel, Training, & Education command of the UNSC Navy and Marine Corps. This office is currently Vacant as of 2020.
COMMANDER-IN-CHIEF OF SPARTAN OPERATIONS
The Commander-in-Chief of the Spartans (CINCSPAR) is an office held by the director of Spartan Operations, a service branch of the UNSC Armed Forces. In this capacity, the CINCSPAR holds the authority of a four-star general. This office is currently held by @Shawn4Japan previously known as SPARTAN-III, WO JUN A266 SIII.
CHIEF OF STAFF OF SPARTAN OPERATIONS
The Chief of Staff of Spartan Operations is an office held by the administrative head of Spartan Operations, a service branch of the United Nations Space Command's Armed Forces. The Chief of Staff serves as the operational manager and head recruiter of Spartan Operations, reviewing potential Spartan candidates and serving as the branch's representative to the UNSC Security Council for routine administrative tasks. The Chief of Staff is subordinate only to the Commander-in-Chief of the Spartans (CINCSPAR), the director of Spartan Operations. While not necessary the Chief of Staff is asked to be SR152 (the final rank) on Halo 5: Guardians. This office is currently Vacant as of 2020.