The Signals Intelligence (SIGINT), Electronic Warfare (EW), and Cyberspace Operations (CO) OccFld includes the employment of SIGINT, EW, CO, and Intelligence Surveillance Reconnaissance (ISR) Systems Engineering capabilities. Marines in this field conduct collection, analysis, production, and dissemination of collected data and intelligence.

 

Marines are responsible for providing support to the planning for and execution of electronic attack (EA) and offensive cyberspace operations (OCO). Marines in this field are required to set up and operate collection and communications electronic equipment, manage intelligence data, prepare EW and intelligence reports, extend and mesh intelligence services, conduct preventive maintenance on assigned equipment, execute EA and OCO fires, and assist in the operational control and management of SIGINT/EW/CO personnel, equipment, and facilities.

 

Duty assignments include Marine Special Operations Command, Marine Forces Cyber Command, Marine Cryptologic Support Battalion, Radio Battalions, Intelligence Battalions, and the staff sections of the MEF information groups, Marine Divisions, Marine Logistics Groups, and Marine Aviation Wings.