Tag Archives: Virginia-class submarine

Huntington Ingalls Concludes SSN 789 Initial Sea Trials


Huntington Ingalls Indutries‘ Newport News Shipbuilding division has finished conducting initial sea trials of its latest Virginia-class submarine. In this phase of testing, the SSN 789 or Indiana submarine performed its first submergence and exhibited high-speed maneuvers under and above water, HII said Friday. “We are pleased with how Indiana performed and look forward …

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General Dynamics Awards $468M Contract to Huntington Ingalls to Support Process Devt Work on Navy Submarines

Huntington Ingalls Industries has received a potential $468 million contract from General Dynamics to support integrated product and process development work on the U.S. Navy‘s fleet of Columbia-class submarines. HII said Tuesday it will help complete the design of the Navy Columbia-class submarines as well as provide component development, detail …

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Navy Tests Northrop-Made Submarine Flank Array Sonar

The U.S. Navy has tested an underwater acoustic technology Northrop Grumman  designed to help address the service branch’s flank array requirements for submarines as part of a Work for Private Parties agreement. Northrop said Nov. 14 the Advanced Flank Array sonar works to integrate with the service branch’s Virginia-class fast attack and Ohio-class ballistic missile submarines. The company invested …

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General Dynamics Subsidiary to Help Navy Replace Virginia-Class Submarine Propulsion Control Tech

A General Dynamics subsidiary has received a $40.7 million “undefinitized contract action” from the U.S. Navy to conduct the second phase of a project to redesign the main propulsion machinery control systems of Virginia-class submarines. General Dynamics Electric Boat will help the Navy plan and facilitate the replacement of legacy MPM …

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Huntington Ingalls Tests Navy’s Washington Submarine at Sea

Huntington Ingalls Industries has tested the components, systems and compartments of the U.S. Navy‘s future nuclear-powered attack submarine Washington (SSN 787) during an initial round of sea trials. Washington is built through a teaming agreement between HII’s Newport News Shipbuilding division and General Dynamics’ Electric Boat subsidiary. HII said Monday. The Virginia-class submarine …

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