Radio Battalion

SIGINT unit of Marine Corps Intelligence

The 1st, 2d, and 3d Radio Battalions are United States Marine Corps Signals Intelligence (SIGINT) units whose missions are to provide tactical SIGINT, ground Electronic Warfare (EW), limited cyberspace operations, and Special Intelligence communications tasked by the Marine Expeditionary Force (MEF) to support MEFs and their subordinate elements. Radio Battalions function primarily as intelligence-gathering and analytic organizations with capabilities connected to and integrated with theater and national SIGINT communities.