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USS New Jersey Attack Submarine (SSN-796)

USS New Jersey Attack Submarine (SSN-796)

Manufacturer: General Dynamics Electric Boat
Category: Submarines
  • Power Nuclear reactor propulsion
  • Stealth Advanced acoustic quieting and anechoic coating
  • Weapons Tomahawk missiles, Mk 48 torpedoes
  • Sensors Integrated sonar suite and combat system

Full Specifications

1. General Information

Name / Class USS New Jersey (SSN-796) / Virginia-class Block IV
Country of Origin United States
Type Nuclear-powered attack submarine (SSN)
Manufacturer General Dynamics Electric Boat
Operators United States Navy
In Service 2024
Status Active

2. Dimensions & Design

Length ~115 m
Beam (Width) ~10.4 m
Draught / Draft ~9.8 m
Displacement (Surfaced) ~7,800 tons
Displacement (Submerged) ~8,700 tons
Hull Material HY-100 steel
Crew ~132

3. Propulsion & Performance

Power Source Nuclear
Engine / Reactor Type S9G reactor
Propulsion System Pump-jet propulsor
Speed (Surfaced) ~25 knots
Speed (Submerged) 25+ knots
Range Unlimited
Endurance 90 days
Operational Depth >240 m
Test Depth ~300 m
Maximum Depth Classified

4. Armament

Torpedo Tubes 4 × 533 mm
Torpedoes / Missiles Mk 48 torpedoes
Cruise / Ballistic Missiles BGM-109 Tomahawk
Mines Supported
Decoys / Countermeasures Integrated systems

5. Sensors & Electronics

Sonar System Spherical, towed array, flank arrays
Radar Surface search radar
Combat Management System AN/BYG-1
Electronic Warfare System AN/BLQ-10
Communication Systems Satellite and secure comms
Navigation Systems Inertial navigation, GPS

6. Stealth & Defense

Anechoic Coating Yes
Noise Reduction Features Pump-jet, isolated machinery
Magnetic Signature Reduction Yes
Acoustic Signature Level Very low

7. Payload & Capacity

Weapons Payload Multi-role loadout
Special Forces Accommodation Yes
UUV / Drone Capability Supported

8. Notable Technologies

Reactor / AIP Type S9G nuclear reactor
Automation Level High
Special Features Modular design, improved maintenance cycles

9. Operational History

Major Deployments Indo-Pacific and Atlantic patrols
Combat / Exercises Joint naval exercises
Upgrades Block IV lifecycle enhancements

10. Cost & Production

Unit Cost ~$3.4 billion
Number Built Part of Virginia-class fleet
Production Period 2010s–present

11. Media & Credits

Image / Video Source U.S. Navy
Official Website U.S. Navy
Reference Credit Public naval data sources

Our Rating

The overall rating is based on review by our experts

8.3
  • Combat Effectiveness 9 / 10
  • Electronic Warfare 8 / 10
  • Technology 8 / 10
  • Range & Endurance 8 / 10

PROS

  1. Exceptional stealth and low acoustic signature
  2. Long endurance with nuclear propulsion
  3. Versatile mission profile (ASW, ISR, strike)
  4. Advanced sensor and combat systems
  5. High survivability in contested environments

CONS

  1. High acquisition and maintenance cost
  2. Limited crew capacity for extended missions
  3. Complex maintenance requirements
  4. Slower surfaced speed compared to surface ships
  5. Dependence on logistics for long deployments

The USS New Jersey (SSN-796) is a Virginia-class fast attack submarine designed to deliver stealth, precision strike capability, and multi-mission flexibility for modern naval warfare. Built for the U.S. Navy, it supports anti-submarine warfare, intelligence gathering, surveillance, and land-attack missions. Its design reflects evolving undersea combat needs, combining low acoustic signatures with advanced sensors and weapons systems.

Manufacturer and Origin

The submarine was constructed by General Dynamics Electric Boat in partnership with Huntington Ingalls Industries in the United States. As part of the Virginia-class Block IV series, USS New Jersey incorporates lifecycle cost reductions and improved maintenance cycles, allowing more deployments over its service life.

Speed and Range

Powered by a nuclear reactor, USS New Jersey offers virtually unlimited range, constrained mainly by crew endurance and supplies. It can reach speeds exceeding 25 knots while submerged, enabling rapid repositioning and pursuit operations. Its endurance allows extended deployments without refueling, a key advantage in global operations.

Capabilities and Systems

The submarine is equipped with 12 vertical launch system cells for Tomahawk cruise missiles and four torpedo tubes capable of launching Mk 48 torpedoes. It also supports unmanned underwater vehicles and special operations forces. Advanced sonar arrays, electronic warfare systems, and integrated combat management systems enhance situational awareness and targeting accuracy.

Cost

The estimated unit cost of a Virginia-class submarine like USS New Jersey is approximately $3.4 billion, reflecting its advanced nuclear propulsion, stealth technologies, and combat systems.

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