L3Harris secures US Navy contracts for towed array systems

April 17, 2026, by Fatima Bahtić

Defense company L3Harris has secured contracts from the Naval Sea Systems Command to continue production of TB-29C and TB-34A towed array systems for the US Navy.

These advanced passive sonar systems provide submarine commanders with enhanced detection capabilities where acoustic data is the key to mission success.

The contract awards ensure continuity of towed array production capabilities through the end of the decade, protecting vital industrial base capabilities that cannot be easily reconstituted.

L3Harris’ manufacturing infrastructure supports complete end-to-end array fabrication, from precision hydrophone assembly to final system integration and testing. Every towed array undergoes rigorous quality assurance and environmental testing prior to delivery, ensuring each system meets the demanding operational requirements of the submarine force.

“The awards reflect the Navy’s confidence in L3Harris’ ability to deliver the critical undersea systems that protect our sailors and maintain America’s undersea advantage,” said Nino DiCosmo, President, Maritime, L3Harris.

“Our sustained investment in specialized facilities and our skilled workforce ensure the submarine fleet has the capabilities needed to counter evolving threats.”

To remind, L3Harris recently received an other transaction authority contract by the US Defense Innovation Unit (DIU) to deliver its torpedo tube launch and recovery (TTLR) system. The system enables the deployment and retrieval of the company’s Iver4 900 autonomous underwater vehicles (AUVs) through submarine torpedo tubes.