Vanguard-class submarine

E235138
Royal Navy submarine class ballistic missile submarine class nuclear-powered submarine class

The Vanguard-class submarine is a class of British nuclear-powered ballistic missile submarines that form the seaborne leg of the United Kingdom’s strategic nuclear deterrent.

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All labels observed (2)

Label Occurrences
Vanguard-class submarine canonical 10
Vanguard-class submarines 1

Statements (48)

Predicate Object
instanceOf Royal Navy submarine class ⓘ
ballistic missile submarine class ⓘ
nuclear-powered submarine class ⓘ
armament Spearfish heavyweight torpedoes ⓘ
surface form: Spearfish torpedo

Trident II D5 missile ⓘ
surface form: Trident II D5 submarine-launched ballistic missile
baseOfOperations Faslane ⓘ
surface form: Faslane Naval Base
beam approximately 12.8 metres ⓘ
branch Royal Navy Submarine Service ⓘ
builder Barrow-in-Furness shipyard ⓘ
Vickers-Armstrongs ⓘ
surface form: Vickers Shipbuilding and Engineering Ltd
constructionStart late 1980s ⓘ
countryOfOrigin United Kingdom ⓘ
crewComplement approximately 135 ⓘ
designedBy Vickers-Armstrongs ⓘ
surface form: Vickers Shipbuilding and Engineering Ltd
designedFor continuous at-sea deterrent ⓘ
designedToReplace Resolution-class ballistic missile submarine ⓘ
surface form: Resolution-class submarine
deterrentPosture continuous at-sea deterrent (CASD) ⓘ
displacementSubmerged approximately 15,900 tonnes ⓘ
displacementSurfaced approximately 15,000 tonnes ⓘ
firstUnitCommissioned HMS Vanguard ⓘ
surface form: HMS Vanguard (S28)
flag United Kingdom ⓘ
hasPart HMS Vanguard ⓘ
surface form: HMS Vanguard (S28)

HMS Vengeance ⓘ
surface form: HMS Vengeance (S31)

HMS Victorious (S29) ⓘ
HMS Vigilant ⓘ
surface form: HMS Vigilant (S30)
homePort HMNB Clyde ⓘ
launchPlatformFor Trident nuclear missile system ⓘ
surface form: Trident nuclear warhead
length approximately 149.9 metres ⓘ
maximumDivingDepth classified ⓘ
missileTubes 16 ⓘ
natoReportingName Vanguard class ⓘ
nuclearReactorType pressurised water reactor ⓘ
nuclearWarheadSystem Trident nuclear missile system ⓘ
surface form: UK Trident nuclear weapons system
numberOfUnitsBuilt 4 ⓘ
operator Royal Navy ⓘ
partOf Nuclear weapons policy of the United Kingdom ⓘ
surface form: United Kingdom strategic nuclear deterrent
periodOfService 1990s–present ⓘ
powerPlant Rolls-Royce PWR2 nuclear reactor ⓘ
primaryMissile Trident II D5 missile ⓘ
surface form: UGM-133 Trident II
propulsion nuclear reactor ⓘ
role seaborne nuclear deterrent ⓘ
serviceEntry 1993 ⓘ
speedSubmerged over 25 knots ⓘ
speedSurfaced over 20 knots ⓘ
status in active service ⓘ
strategicRole nuclear deterrence ⓘ
successor Dreadnought-class submarine ⓘ
type SSBN ⓘ

Referenced by (11)

Full triples — surface form annotated when it differs from this entity's canonical label.

Trident nuclear missile system → platform → Vanguard-class submarine ⓘ
Royal Navy Submarine Service → operates → Vanguard-class submarine ⓘ
this entity surface form: Vanguard-class submarines
Dreadnought-class submarine → predecessor → Vanguard-class submarine ⓘ
Dreadnought-class submarine → replaces → Vanguard-class submarine ⓘ
Trident → deploymentPlatform → Vanguard-class submarine ⓘ
subject surface form: Trident II
HMS Vanguard → partOf → Vanguard-class submarine ⓘ
Dreadnought-class nuclear-powered ballistic missile submarines → predecessor → Vanguard-class submarine ⓘ
Dreadnought-class nuclear-powered ballistic missile submarines → replaces → Vanguard-class submarine ⓘ
Rolls-Royce PWR2 nuclear reactor → usedOnPlatform → Vanguard-class submarine ⓘ
subject surface form: Rolls-Royce PWR2
Thales Sonar 2076 suite → usedOnVesselClass → Vanguard-class submarine ⓘ
Resolution-class ballistic missile submarine → followedBy → Vanguard-class submarine ⓘ