staff. The office is headed by the chief of staff who is accountable to the director, via the daily supervision of the deputy director of operational support, for the effective operation and administration of the office of the director. Other components reporting directly to the director and/or deputy directors are: NCIS Inspector General NCIS Counsel, Office of the General Counsel of the Navy NCIS Comptroller Chief Diversity Officer / Deputy Equal Employment Opportunity Officer Operational directorates The operational directorates of NCIS are supervised by the deputy director of operations who is the Chief Operations Officer of NCIS, responsible for criminal investigations, counterintelligence, counterterrorism, tri-service operations (Atlantic, Pacific, and Global), biometrics, technical surveillance countermeasures, behavioral science, technical services, Regional Enforcement Action Capabilities Training (REACT), polygraph services, and forensics. The NCIS currently has two types of operational directorates: functional and field. The functional directorates are the National Security Directorate and the Criminal Operations Directorate. These directorates are responsible for outlining the goals and objectives of NCIS relating to their functional area through the Program Direction Document. The executive assistant directors exercise direction and supervision of their Program Direction Document through the three field directorates. The EAD's also advise the deputy director of operations on the three field directorate executive assistant directors' performance in meeting the outlined goals and objectives. The field directorates are the Atlantic Operations Directorate, Pacific Operations Directorate, and the Global Operations Directorate. The geographic Atlantic Operations and Pacific Operations directorates are divided into field offices, each headed by a Special Agent in Charge (SAC), while the functional Global Operations Directorate is divided into field offices and field operational support elements, headed by Special Agents in Charge or division chiefs. The SAC / division chief is responsible for all operational, investigative, and administrative activities within their geographical/functional area of responsibility. They exercise leadership of geographic implementation of NCIS' goals and objectives through the direction and supervision of Assistant Special Agents in Charge (ASAC) and Supervisory Special Agents (SSA). In field offices with only one ASAC, the ASAC is the Chief Operations Officer of the field office, responsible for the day-to-day oversight and management of its activities. In field offices with multiple ASAC's, the ASAC's serve as the heads of specific functions within the field office (e.g. ASAC of Criminal Investigations or ASAC of Atlantic Operations). The field office headquarters also has specialized teams, headed by Supervisory Special Agents, ready to