SSN 774 Virginia
Initial Operational Capability (IOC) : October 23, 2004
Total Production : 66
Total Cost : USD $127 billion
The SSN 774 Virginia are the next generation US Navy (USN) nuclear-powered fast attack submarines designed to meet the 21st century submarine warfare requirements. The Virginia class ships are intended as the replacement for existing Los Angeles class attack submarines. These submarines feature advanced technologies to achieve improved firepower, maneuverability, endurance and emphasizing integrated acoustic and non-acoustic stealth. They are able to stay submerged for up to three months at a time. Powered by a nuclear pressurized water reactor (PWR) can achieve a top speed submerged of 25 knots with a maximum depth of 500 meters. The US Navy plans call for the procurement of up to 30 Virginia class submarines starting in 2004.
The submarine high data rate (Sub HDR) multi-band satellite communication (SATCOM) system is provided by Raytheon. The Sub HDR connects submarines to the above sea world by raising a mast-mounted antenna above the ocean's surface while the boat remains stealthy and submerged at periscope depth. It supports secure data, voice, multimedia, imagery and video teleconferencing via the Global Broadcast Service, the Milstar satellite constellation, and the Defense Satellite Communication System. The FORCEnet capability being inducted to existing and on order submarines allows to communicate using IP/Internet Protocol connectivity. It allows US submarine fleet to quickly and easily share and exchange information for military purposes, while submarine crew can connect to their families back home via email, web browsing, file transfer, etc.
Virginia nuclear submarines are used to seek and destroy enemy submarines and surface ships, intelligence collection, special forces delivery, and land-attack operations using Tactical Tomahawk missiles launched from 12 vertical launch system (VLS) tubes and four 533mm torpedo tubes. They perform the full-spectrum of open-ocean, blue water missions as well as littoral warfare missions. The SSN 774 Virginia class submarines goal is to maintain USN undersea superiority well into the 21st century. In addition to current torpedoes, mines and missiles these submarines will be armed with unmanned underwater vehicles (UUV). Virginia class boats can carry the Advanced SEAL Delivery System (ASDS) underwater vehicle for special forces infiltration.
Model | Status | Year | Produced |
---|---|---|---|
SSN 774 Virginia | Active | 2004 | 2 |
Virginia Block II | Active | 2007 | 8 |
Virginia Block III | Active | 2014 | 8 |
Virginia Block IV | Active | 2020 | 10 |
Virginia Block V | Under Development | 2028 | 12 |
Virginia Block VI | Under Development | 2039 | 26 |
SSN 774 Virginia
Group : Attack Submarines
Status : Active
Also Known As : Virginia Block I
Origin : United States of America
Contractors : General Dynamics Electric Boat, Newport News Shipbuilding
Initial Operational Capability (IOC) : October 23, 2004
Total Production : 2
Unitary Cost : USD $1.0 billion
On 30 July 2004, Virginia (SSN 774) nuclear-powered attack submarine completed its first open ocean voyage, also called Alpha Sea Trials (AST). The AST included a range of submarine and propulsion plant operations, submerging for the first time, and high-speed runs on the surface and submerged, to demonstrate that the ship’s propulsion plant is fully mission capable. The next test for Virginia were Bravo sea trials in August which played particular attention to the ship's underwater acoustics. The Virginia-class lead ship, SSN 774, was commissioned on Saturday, October 23, 2004, at the Norfolk Naval Base. At that time 10 submarines were under building contract of a planned 30 ships class. Only two hulls were commissioned of this Block I design.
Operators
Country | Status | State | Notes |
---|---|---|---|
![]() | Active | 2/2 |
Specifications
Notes | ||
---|---|---|
Crew | 134 | |
Number of Vertical Launch Systems | 12 | |
Number of Weapons | 38 | |
Torpedo Tubes | 4 | |
Dimensions | ||
Beam | 10.4 meter | |
Draft | 9.8 meter | |
Length | 115 meter | |
Mass | ||
Displacement Submerged | 7,835 ton | |
Performance | ||
Max Operating Depth | 500 meter | |
Speed | ||
Top Speed Submerged | 25 knot |
Gear
Anti-Ship Missiles | ||
---|---|---|
UGM-84L Harpoon | ||
Communications Devices | ||
Sub HDR | 2 | |
Cruise Missiles | ||
Tactical Tomahawk | 12 | |
Jamming Systems | ||
AN/BLQ-10 | 1 | |
mini-Submarines | ||
ASDS | 1 | |
Radar Systems | ||
AN/BPS-16 | ||
Sonar Systems | ||
A-RCI | ||
TB-29 | 1 | |
TB-34 | 1 | |
Torpedoes | ||
Mark 48 ADCAP | ||
Mark 48 CBASS |
Listing
Ship | Status | Com | Decom |
---|---|---|---|
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Active | October 23, 2004 | |
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Active | September 9, 2006 |
Virginia Block II
Group : Attack Submarines
Status : Active
Also Known As : SSN 776 USS Hawaii
Origin : United States of America
Contractors : General Dynamics Electric Boat, Newport News Shipbuilding
Initial Operational Capability (IOC) : May 5, 2007
Total Production : 8
Unitary Cost : USD $1.4 billion
The US Navy christened the USS Hawaii (SSN 776) boat on June 17, 2006, during a ceremony at General Dynamics Electric Boat, Groton, Connecticut. She was commissioned on May 5, 2007. The third ship of Virginia-class is the first ship of the Block II standard and features improved stealth, sophisticated surveillance capabilities and special warfare enhancements. The nuclear reactor plant powering these boats doesn't require to be refueled during the planned service life of the ship. The US Navy awarded General Dynamics Electric Boat a $1.35 billion contract for construction of the eighth ($1.1 billion for SSN 781) Virginia class submarine and initial funding for the 9th ($208 million SSN 782) and 10th ($40 million for SSN 783) January 30, 2006. This award modified an August 2003 contract covering construction of six boats with the six-ship contract value was set to $8.4 billion. The US Navy commissioned eight Virginia Block II submarines between 2007 and 2013.
Operators
Country | Status | State | Notes |
---|---|---|---|
![]() | Active | 8/8 |
Specifications
Notes | ||
---|---|---|
Crew | 134 | |
Number of Vertical Launch Systems | 12 | |
Number of Weapons | 38 | |
Torpedo Tubes | 4 | |
Dimensions | ||
Beam | 10.4 meter | |
Draft | 9.8 meter | |
Length | 115 meter | |
Mass | ||
Displacement Submerged | 7,835 ton | |
Performance | ||
Max Operating Depth | 500 meter | |
Speed | ||
Top Speed Submerged | 25 knot |
Gear
Anti-Ship Missiles | ||
---|---|---|
UGM-84L Harpoon | ||
Communications Devices | ||
Sub HDR | 2 | |
Cruise Missiles | ||
Tactical Tomahawk | 12 | |
Jamming Systems | ||
AN/BLQ-10 | 1 | |
mini-Submarines | ||
ASDS | 1 | |
Radar Systems | ||
AN/BPS-16 | ||
Sonar Systems | ||
A-RCI | ||
TB-29 | 1 | |
TB-34 | 1 | |
Torpedoes | ||
Mark 48 ADCAP | 26 | |
Mark 48 CBASS | 26 |
Listing
Ship | Status | Com | Decom |
---|---|---|---|
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Active | May 5, 2007 | |
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Active | May 3, 2008 | |
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Active | October 25, 2008 | |
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Active | March 27, 2010 | |
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Active | July 31, 2010 | |
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Active | October 29, 2011 | |
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Active | June 2, 2012 | |
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Active | September 7, 2013 |
Virginia Block III
Group : Attack Submarines
Status : Active
Also Known As : SSN 784 USS North Dakota
Origin : United States of America
Contractors : General Dynamics Electric Boat, Newport News Shipbuilding
Initial Operational Capability (IOC) : October 25, 2014
Total Production : 8
Unitary Cost : USD $1.8 billion
The USS North Dakota (SSN 784) scheduled for commissioning on 25 October 2014 in Groton is the first ship featuring a re-designed bow section to allow larger, more versatile weapons tubes under the Block III program. The USS North Dakota is the 11th ship of the Virginia class and the first Block III boat. The Virginia Block III submarines embody an industry commitment to reduce costs without decreasing capabilities through an initiative comprising a multi-year procurement strategy, improvements in construction practices and the Design For Affordability (DFA) program. The US Navy's plans call for the commissioning eight ships between 2014 and 2019.
The DFA program focuses primarily on the redesign of the submarine's bow, lowering program costs by $800 million, increasing capability and providing the capacity for additional growth at no additional cost. This redesign replaces a sonar sphere with a Large Aperture Bow (LAB) Array and the 12 individual vertical-launch missile tubes with two Virginia payload tubes (VPTs), which will each initially carry six missiles in multiple all-up round canisters. The new LAB Array eliminates hundreds of hull penetrations and replaces transducers with lower cost, life-of-the-ship hydrophones. By nearly doubling the payload space available from 1,200 cubic feet with the 12 vertical launch tubes to 2,300 cubic feet, the VPTs will enable Virginia-class ships to deploy a wider variety of payloads.
Operators
Country | Status | State | Notes |
---|---|---|---|
![]() | Active | 8/8 |
Specifications
Notes | ||
---|---|---|
Crew | 134 | |
Number of Vertical Launch Systems | 2 | with six missiles each |
Number of Weapons | 38 | |
Torpedo Tubes | 4 | |
Dimensions | ||
Beam | 10.4 meter | |
Draft | 9.8 meter | |
Length | 115 meter | |
Mass | ||
Displacement Submerged | 7,835 ton | |
Performance | ||
Max Operating Depth | 500 meter | |
Speed | ||
Top Speed Submerged | 25 knot |
Gear
Anti-Ship Missiles | ||
---|---|---|
UGM-84L Harpoon | ||
Communications Devices | ||
Sub HDR | 2 | |
Cruise Missiles | ||
Tactical Tomahawk | 12 | |
Jamming Systems | ||
AN/BLQ-10 | 1 | |
mini-Submarines | ||
ASDS | 1 | |
Radar Systems | ||
AN/BPS-16 | ||
Sonar Systems | ||
A-RCI | ||
TB-29 | 1 | |
TB-34 | 1 | |
Torpedoes | ||
Mark 48 ADCAP | 26 | |
Mark 48 CBASS | 26 |
Listing
Ship | Status | Com | Decom |
---|---|---|---|
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Active | October 25, 2014 | |
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Active | August 1, 2015 | |
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Active | October 29, 2016 | |
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Active | October 7, 2017 | |
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Active | March 17, 2018 | |
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Active | February 2, 2019 | |
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Active | September 29, 2019 | |
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Active | April 4, 2020 |
Virginia Block IV
Group : Attack Submarines
Status : Active
Also Known As : SSN 792 USS Vermont
Origin : United States of America
Contractors : General Dynamics Electric Boat, Newport News Shipbuilding
Initial Operational Capability (IOC) : April 18, 2020
Total Production : 10
Unitary Cost : USD $2.8 billion
The US Navy's plans call for the procurement of 12 Virginia Block IV submarines between 2020 and 2025 with a $17 billion contract already awarded for 10 boats through 2023/2024. Finally, the Block IV program includes 10 boats.
Operators
Country | Status | State | Notes |
---|---|---|---|
![]() | Active | 6/10 |
Specifications
Notes | ||
---|---|---|
Crew | 134 | |
Number of Vertical Launch Systems | 2 | with six missiles each |
Number of Weapons | 38 | |
Torpedo Tubes | 4 | |
Dimensions | ||
Beam | 10.4 meter | |
Draft | 9.8 meter | |
Length | 115 meter | |
Mass | ||
Displacement Submerged | 7,835 ton | |
Performance | ||
Max Operating Depth | 500 meter | |
Speed | ||
Top Speed Submerged | 25 knot |
Gear
Anti-Ship Missiles | ||
---|---|---|
UGM-84L Harpoon | ||
Communications Devices | ||
Sub HDR | 2 | |
Cruise Missiles | ||
SLCM-N | ||
Tactical Tomahawk | 12 | |
Jamming Systems | ||
AN/BLQ-10 | 1 | |
mini-Submarines | ||
ASDS | 1 | |
Radar Systems | ||
AN/BPS-16 | ||
Sonar Systems | ||
A-RCI | ||
TB-29 | 1 | |
TB-34 | 1 | |
Torpedoes | ||
Mark 48 ADCAP | 26 | |
Mark 48 CBASS | 26 |
Listing
Ship | Status | Com | Decom |
---|---|---|---|
![]() |
Active | April 18, 2020 | |
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Active | May 28, 2022 | |
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Active | June 25, 2022 | |
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Active | October 14, 2023 | |
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Active | September 14, 2024 | |
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Active | April 5, 2025 | |
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Under Construction | 2026 | |
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Under Construction | 2027 | |
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Under Construction | 2027 | |
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Under Construction | 2028 |
Virginia Block V
Group : Attack Submarines
Status : Under Development
Origin : United States of America
Contractors : General Dynamics Electric Boat, Newport News Shipbuilding
Initial Operational Capability (IOC) : 2028
Total Production : 12
Unitary Cost : USD $6.2 billion
The Virginia Block V class submarines are expected to increase the number of Tomahawk cruise missiles from 12 to 40 delivering outstanding land attack capabilities. These boats will be equipped with the Virginia Payload Module (VPM). The first Block V boat might be commissioned by the US Navy after 2025. The Block V program aim is to deliver 9 submarines plus another one as option.
Operators
Country | Status | State | Notes |
---|---|---|---|
![]() | Planned | 12 |
Specifications
Notes | ||
---|---|---|
Number of Vertical Launch Systems | 6 | two at the box with six missiles each and four with seven missiles each |
Number of Weapons | 66 | |
Dimensions | ||
Beam | 34 foot | |
Length | 460 foot | |
Mass | ||
Displacement Submerged | 10,200 ton | |
Performance | ||
Max Operating Depth | 800 foot | |
Speed | ||
Top Speed Submerged | 25 knot |
Gear
Cruise Missiles | ||
---|---|---|
SLCM-N | 40 | |
Tomahawk Block V | 40 | |
Jamming Systems | ||
AN/BLQ-10 | 1 |
Listing
Ship | Status | Com | Decom |
---|---|---|---|
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Under Construction | 2028 | |
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Under Construction | 2029 | |
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Under Construction | 2029 | |
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Under Construction | 2030 | |
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Under Construction | 2031 | |
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Under Construction | 2032 | |
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Planned | 2033 | |
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Planned | 2034 | |
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Planned | 2035 | |
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Planned | 2036 | |
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Planned | 2037 | |
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Planned | 2038 |
Virginia Block VI
Group : Attack Submarines
Status : Under Development
Origin : United States of America
Contractors : General Dynamics Electric Boat, Newport News Shipbuilding
Initial Operational Capability (IOC) : 2039
Total Production : 26
Unitary Cost : USD $8 billion
The Virginia Block VI is a new variant that provides additional stealth capability and is considered a bridge between the legacy Virginia class and the planned SSN(X) capability. The US Navy commission up to 26 boats beginning in the late 2030s or early 2040s.
Operators
Country | Status | State | Notes |
---|---|---|---|
![]() | Planned | 26 |
Listing
Ship | Status | Com | Decom |
---|---|---|---|
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Planned | 2039 | |
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Planned | 2040 | |
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Planned | 2041 | |
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Planned | 2042 | |
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Planned | 2043 | |
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Planned | 2043 | |
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Planned | 2044 | |
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Planned | 2044 | |
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Planned | 2045 | |
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Planned | 2045 | |
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Planned | 2046 | |
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Planned | 2046 | |
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Planned | 2047 | |
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Planned | 2047 | |
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Planned | 2048 | |
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Planned | 2048 | |
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Planned | 2049 | |
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Planned | 2049 | |
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Planned | 2050 | |
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Planned | 2050 | |
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Planned | 2051 | |
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Planned | 2051 | |
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Planned | 2052 | |
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Planned | 2052 | |
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Planned | 2053 | |
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Planned | 2053 |
News

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General Dynamics Electric Boat Corp., Groton, Connecticut is awarded a not-to-exceed $1,065,310,000 undefinitized contract action modification to a previously awarded contract

SAN DIEGO – 24 Feb 2025 - General Atomics Electromagnetic Systems (GA-EMS) announced today that it has been awarded a contract from General Dynamics Electric Boat to fabricate
General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a not-to-exceed $188,000,000 undefinitized contract action modification to previously awarded contract

General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a not-to-exceed $878,000,000 undefinitized contract action modification to a previously awarded contract

General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a not-to-exceed $349,776,000 undefinitized contract action modification to previously awarded contract

General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a $376,788,600 cost-plus-fixed-fee modification to previously awarded contract N00024-20-C-2120 for
General Dynamics Electric Boat, Groton, Connecticut, was awarded a not-to-exceed $243,799,854 cost-plus-fixed-fee undefinitized order against a previously issued basic ordering

General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a not-to-exceed $1,316,877,000 undefinitized contract action modification to previously awarded contract
General Dynamics Electric Boat Corp., Groton, Connecticut, is awarded a not-to-exceed $181,000,000 undefinitized contract action modification to a previously awarded contract

FAIRFAX, Va. – General Dynamics Mission Systems Progeny Systems announced today that it was awarded an $11,996,038 cost-plus, fixed-fee modification to a previously awarded
Photo Gallery
March 2025

Virginia-class submarine
February 2025

US Navy Virginia class submarine
August 2024

US Navy's Virginia class submarine
December 2019

Virginia Block V submarine
Notes
State Latest Known holdings/Original Procurement
Com - Date of Commissioning
Decom - Date of Decommissioning
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