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HII announces contract modification for USS Zumwalt hypersonics

HII’s Ingalls Shipbuilding division has been awarded a US$154.8 million contract modification for the modernisation of United States Navy guided missile destroyer USS Zumwalt (DDG 1000).

HII’s Ingalls Shipbuilding division has been awarded a US$154.8 million contract modification for the modernisation of United States Navy guided missile destroyer USS Zumwalt (DDG 1000).

The lead Zumwalt Class destroyer will be modernised with a Conventional Prompt Strike (CPS) weapon system and receive technological upgrades under the agreement announced by the American military shipbuilder on 29 August.

The CPS system has been outlined as a US Navy booster rocket and US Army hypersonic weapon glide body designed to deliver a conventional explosive airstrike at hypersonic speed.

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Ingalls Shipbuilding DDG 1000 ship construction manager Bruce Knowles said installation and modernisation of the ship and Conventional Prompt Strike weapon system will ensure USS Zumwalt remains one of the most technologically advanced and lethal ships in the US Navy.

“It is an honour to serve the sailors of Zumwalt and to welcome them to our community,” he said.

“The Ingalls team is ready to support you in completing this important work.”

USS Zumwalt arrived in Pascagoula earlier this month on 19 August after transferring from its former home port of San Diego.

In January this year, Ingalls was awarded a $10.5 million contract for the modernisation period planning of Zumwalt Class guided missile destroyers USS Zumwalt (DDG 1000) and USS Michael Monsoor (DDG 1001), while the USS Lyndon B Johnson (DDG 1002) is currently undergoing combat systems activation at Ingalls. USS Michael Monsoor will have CPS installed at Ingalls during a future modernisation period.

It’s understood the modernisation work will involve removal of the existing twin 155mm Advanced Gun Systems and replacement with four 87-inch missile tubes. Each missile tube is expected to hold three common hypersonic glide bodies (total of 12 missiles per ship).

The US Navy has outlined an expected weapons installation and destroyer deployment date by 2025.

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