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HII hits significant milestone in construction of new Virginia class sub.


| 2022

According to information published by Huntington Ingalls Industries on August 11, 2022, the company shared that its Newport News Shipbuilding division has achieved a significant milestone in the construction of the Virginia-class submarine Massachusetts (SSN 798).
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 Future Virginia class submarine USS Massachusetts (Picture source: HII)


Shipbuilders working on Massachusetts recently reached pressure hull complete, meaning that all of the hull sections were joined to form a single, watertight unit. This is the last major construction milestone before the submarine is launched.

About the Virginia class submarines

The Virginia class, also known as the SSN-774 class, is a class of nuclear-powered cruise missile fast-attack submarines, in service in the United States Navy. Designed by General Dynamics Electric Boat (EB) and Huntington Ingalls Industries.

Virginia-class submarines incorporate dozens of new technologies and innovations that increase firepower, maneuverability and stealth to significantly enhance their warfighting capabilities. These submarines are capable of supporting multiple mission areas and can operate at speeds of more than 25 knots for months at a time.

The Virginia-class submarine has a length of 114.8 m, and a beam of 10.36 m. The submarine can reach a top speed of 28 miles per hour (45 km/h). She has a crew of 132 people including 15 officers and 117 enlisted.

The Virginia Class is equipped with twelve Vertical Launch System (VLS) tubes and four torpedo tubes (starting with SSN 784 North Dakota [Block II], the 12 VLS tubes are replaced by 2 large-diameter payload tubes).

The submarines also carry Mk 48 ADCAP Torpedoes, UGM-109 Tomahawk cruise missiles, Mk 60 CAPTOR mines, advanced mobile mines, and unmanned underwater vehicles.


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