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TDSI delivers industry-leading ship-based Command, Control, Computers, Communications, Intelligence, Surveillance and Reconnaissance (C4ISR) solutions into Naval and Maritime applications worldwide.  Our integrated C4ISR suites include Combat Management Systems, RADAR systems, Electro-Optic and Infrared Sensor systems, and SONAR systems.

Our for the Naval/Maritime C4ISR markets include technologies through two of our business areas.

System Solutions

  • Combat management systems
  • Surface search and tracking radars
  • Sonar systems
  • Bridge simulation systems


Thales Defense & Security, Inc. provides Spares, Repairs, and Consumables to the US Navy and multiple FMS countries for the AN/AQS-22 Airborne Low Frequency Sonar (ALFS), the Navy’s only in-service dipping sonar with multi-frequency operation and the primary undersea warfare (USW) sensor for the MH-60R multi-mission helicopter.  TDSI also provides the test equipment, training, and relevant technical data necessary to establish Intermediate and Depot Level Support at US Navy facilities.

Communication Systems

TDSI’s high-power, shipborne High-Frequency (HF) communications solutions have been used by the US Navy and the US Coast Guard for well over a decade, with systems installed on preeminent maritime platforms, like the Navy’s Independence Class Littoral Combat Ship and the USCG’s Sentry Class Fast Response Cutter.