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Thales on contract to provide sonar for US Navy future frigates

20th January 2023 - 12:30 GMT | by Harry Lye in London


The Captas-4 VDS is widely deployed internationally. (Photo: Thales)

Thales' Captas-4 is a low-frequency active and passive variable-depth sonar for platforms heavier than 3,000t.

Thales is on contract to build up to ten Captas-4 variable-depth sonars (VDS) for the USN's future Constellation-class (FFG-62) frigates under an agreement signed last year.

The sonar is being supplied to Fincantieri Marinette Marine under a contract with Thales' wholly owned US subsidiary Advanced Acoustic Concepts (AAC).

In total, Thales is set to build ten Captas-4 VDS for the USN. However, so far, only two systems have been ordered.

Thales is already building the sonar for the first-in-class ship in France. The second shipset, for which a contract option has been exercised, will also be integrated in France

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Harry Lye


Harry Lye

Harry Lye was Senior Naval Reporter at Shephard Media.

Harry joined the company in 2021, …

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