The Cal OES Fire and Rescue Mutual Aid Coordination Network is known as "FIRE Net." It was formerly known as the Office of Emergency Services (OES) FIRE. FIRE Net is a dedicated radio network to support the Fire and Rescue Mutual Aid System. Cal OES FIRE Net supports the 65 Fire Operational Areas and the 6 Mutual Aid Regions as well as all Cal OES fire engines and support vehicles. For sustained operations authorization, permission must be obtained from the Fire and Rescue Duty Officer at the California State Warning Center (CSWC).