The legacy TVSS is the primary communication system for the USMC that has the Integrated Services Digital Network (ISDN) switch capabilities to provide voice and data switched system subscriber service for command, control, administrative, and logistic communications support for all MAGTF command echelons down to the regimental, group, and battalion levels.
TVSS is employed at all levels of the MAGTF to effect voice and limited data switching capability. The modular design allows units to implement the system according to the mission needs. The equipment is operated and maintained by Major Subordinate Command, Marine Expeditionary Unit, Marine Expeditionary Brigade, and MEF communications personnel.
- ACAT & Designation: ACAT IV(M) 22 March 2010
- IOC – 4QFY07
- FOC – 4QFY08