MCTSSA provides 24/7 global technical support for Command, Control, Computer, Communications, Cyber, Intelligence, Surveillance, Reconnaissance, and Targeting (C5ISRT) systems; and conducts research and development, engineering, testing and evaluation, and supports experimentation for C5ISRT systems and littoral platforms in order to inform acquisition decisions and make the Fleet Marine Force more capable.
Get Tactical System Support Call (760) 725-0533 https://usmc.sharepoint-mil.us/sites/MCSC_MCTSSA_WSD
260608-M-TH074-1174 (June 8, 2026) Col. Chris Stephenson receives the U.S. Marine Corps Flag from Col. Craig M. Clarkson during a change of command ceremony at Marine Corps Tactical Systems Support Activity (MCTSSA) on Camp Pendleton, Calif., June 8, 2026. During the ceremony, Col. Craig M. Clarkson relinquished command of MCTSSA to Col. Chris Stephenson. (U.S. Marine Corps photo by Joseph R. Vincent, CTR) - 260608-M-TH074-1174 (June 8, 2026) Col. Chris Stephenson receives the U.S. Marine Corps Flag from Col. Craig M. Clarkson during a change of command ceremony at Marine Corps Tactical Systems Support Activity (MCTSSA) on Camp Pendleton, Calif., June 8, 2026. During the ceremony, Col. Craig M. Clarkson relinquished command of MCTSSA to Col. Chris Stephenson. (U.S. Marine Corps photo by Joseph R. Vincent, CTR)