Integrated Communications Command Center. One of the most important components in planning security for major special events is to develop an integrated communications command center. he integrated communications command center brings together key leaders and actors from all the agencies and jurisdictions involved in supporting security at the event. At the federal level, examples of integrated communications command centers include the DHS Joint Field Oice (JFO); DHS/. Secret Service’s Multi-Agency Command Center (MACC); and the FBI’s Joint Operations Center (JOC). On-scene coordination is most often managed in accordance with the principles of the Incident Command System (ICS), a.