MCTSSA provides 24/7 global technical support for Command, Control, Computer, Communications, Cyber, Intelligence, Surveillance, Reconnaissance, and Targeting (C5ISRT) systems; and conduct research and development, engineering, testing and evaluation, and support experimentation for C5ISRT systems and littoral platforms in order to inform acquisition decisions and make the Fleet Marine Force more capable.
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CAMP PENDLETON, Calif. (June 24, 2025) A U.S. Marine helps assemble a unmanned aerial system (UAS) during a UAS demonstration at Marine Corps Tactical System Support Activity (MCTSSA), June 24. (U.S. Marine Corps photo by Joseph Vincent, CTR/Released. - CAMP PENDLETON, Calif. (June 24, 2025) A U.S. Marine helps assemble a unmanned aerial system (UAS) during a UAS demonstration at Marine Corps Tactical System Support Activity (MCTSSA), June 24. (U.S. Marine Corps photo by Joseph Vincent, CTR/Released.