General Dynamics press release
General Dynamics Electric Boat, a business unit of General Dynamics, announced today (06 Oct.) it was awarded a U.S. Navy contract modification for lead-yard support, development studies and design efforts related to Virginia-class attack submarines.
The contract modification has a value of $532.9 million. Work will be performed in Groton, Connecticut, and Newport News, Virginia, and is expected to be completed by October 2023.
“We are proud to continue to support the design and engineering of Virginia-class submarines to ensure they have the superior warfighting capabilities the U.S. Navy needs to defend our Nation. The continued evolution of the Virginia class over the last two decades guarantees our sailors the asymmetric advantage they deserve.”
Kevin Graney, President of Electric Boat
About Virginia-class Block I II III IV & V SSN
Block IV submarines (SSNs 792 to 801) incorporate design changes focused on reduced total ownership cost (RTOC). By making these smaller-scale design changes to increase the component-level lifecycle of the submarine, the U.S. Navy will increase the periodicity between depot maintenance availabilities and increase the number of deployments.
USS Delaware (SSN 791), the last and final of eight Block III Virginia-class submarines, was commissioned in April 2020.
The Block III submarines are fitted with the new Virginia Payload Tubes designed to lower costs and increase missile-firing payload possibilities. The first 10 Block I and Block II Virginia-class submarines have 12 individual 21-inch diameter vertical launch tubes able to fire Tomahawk Land Attack Missiles (TLAMS). The Block III submarines are built with two larger 87-inch diameter tubes able to house six TLAMS each.
Blocks I-III Virginias are planned to undergo four depot maintenance availabilities and conduct 14 deployments. Block IV RTOC efforts are intended to reduce planned availabilities by one to three and increase deployments to 15. The U.S. Navy refers to this as 3:15.
Block IV will be followed by the Block V configuration which involves 10 boats and may incorporate the Virginia Payload Module (VPM), which would give guided-missile capability when the SSGNs are retired from service. On 2 December 2019, the U.S. Navy announced an order for nine new Virginia-class submarines – eight Block Vs and one Block IV – for a total contract price of $22 billion with an option for a tenth boat. The Block V subs were confirmed to have an increased length, from 377 ft to 460 ft, and displacement, from 7,800 tons to 10,200 tons.
Submarines in Block IV configuration :
- Vermont (SSN 792) – Commissioned 18 April 2020
- Oregon (SSN 793) – Commissioned 26 May 2022
- Montana (SSN 794) – Commissioned 25 June, 2022
- Hyman G. Rickover (SSN 795) – Christened 31 July 2021
- New Jersey (SSN 796) – Launched 28 April 2022
- Iowa (SSN 797) – Keel laid August 20, 2019
- Massachusetts (SSN 798) – Keel laid December 11, 2020
- Idaho (SSN 799) – Keel laid 24 August 24, 2020
- Arkansas (SSN 800) – Construction began March 2018
- Utah (SSN 801) – Construction began March 2018