Dreadnought Class

Dreadnought Class

Type: submarine

Domain: sea

Country of Origin: United Kingdom

Manufacturer: BAE Systems

First Deployed: 2030

Overview

Next-generation nuclear-powered ballistic missile submarine (SSBN) that will replace the Vanguard class as the United Kingdom's continuous at-sea nuclear deterrent (CASD). Displacement of approximately 17,200 tonnes submerged, making them the largest submarines ever built for the Royal Navy. Will carry 12 Trident II D5 submarine-launched ballistic missiles (reduced from 16 on Vanguard class). Features the Rolls-Royce PWR3 reactor with a life-of-boat core. Four boats planned with HMS Dreadnought expected to enter service in the early 2030s. Represents the UK's most expensive single defence procurement programme.

Technical Specifications

cost~£31 billion+
crew~130
typeNuclear-Powered Ballistic Missile Submarine (SSBN)
length153 m
planned4 boats
reactorRolls-Royce PWR3 (lifetime core, no refueling)
armament12x Trident II D5 SLBM tubes; torpedo tubes
displacement~17,200 tonnes (submerged)

Operators

Related sea Weapon Systems