Huntington Ingalls Industries’ (HII) Newport News Shipbuilding division has received a contract modification for the construction of the US Navy’s Columbia-class submarines.
Earlier this month, General Dynamics Electric Boat (GDEB) received a contract worth $9.474bn from the US Navy for the construction and testing of the lead and second ships of its Columbia-class submarines.
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The modification contract was awarded by GDEB and is worth around $2.2bn.
It outlines continued design support efforts, along with the construction and delivery of six module sections for the first two submarines.
Newport News will provide the completed modules for the final contract. Delivery is expected to commence in November 2022 and the last module will be delivered in January 2028.
Newport News Columbia-class Submarine Construction vice-president Charles Southall said: “We are pleased to be a crucial design and manufacturing contributor to the Columbia-class programme.
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By GlobalData“This contract continues NNS’ longstanding and strong commitment to the navy’s undersea enterprise through the design and construction of major modules and assemblies necessary to achieve program objectives.”
In May last year, HII started advance construction work on Columbia (SSBN 826), the US Navy’s lead ballistic missile submarine.
Previously called the SSBN-X Future Follow-on Submarine, a class of 12 new Columbia-class submarines will replace the US Navy’s existing force of 14 ageing Ohio-class ballistic missile submarines.
The first ship, Columbia (SSBN 826), is slated to be delivered in 2027 to the US Navy.
