Marine Corps Tactical Systems Support Activity



About Us

MCTSSA conducts testing, evaluation, engineering, and provides direct technical support to the Fleet Marine Forces for Marine Corps and Joint Service command, control, computer, communications, intelligence (C4I) systems and expeditionary combat vehicle systems in order to inform acquisition decisions to make Marines more capable.


We provide the only Marine Corps organic, operationally relevant, MAGTF Command, Control, Communications, Computers, and Intelligence (C4I) architecture for enterprise-level testing, engineering, analysis, troubleshooting, and solutions. This environment directly supports investment decisions for the Objective Network by establishing a rigorous and repeatable process to evaluate proposed changes and cyber vulnerabilities from the tactical edge and throughout the Marine Corps Enterprise Network. MCTSSA enables Joint Communications Exercises, Joint Interoperability Testing, Tactical Cloud Implementation, Cyber Developmental Testing, Naval Integration, tactical networking/voice, and System of Systems testing. This environment is also the sole solution in the Marine Corps for Link-16 Tactical Data Link Networks for air-to-air, ship, and shore targeting and messaging, validated at MCTSSA before Marine/Navy use in theater.


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Marine Corps Systems Command