Vanguard-class ballistic missile submarines

E69707

ballistic missile submarine nuclear-powered submarine strategic deterrent platform

Vanguard-class ballistic missile submarines are the United Kingdom’s nuclear-powered, nuclear-armed submarines that form the seaborne leg of its strategic deterrent force.

Aliases (1)

Vanguard-class ballistic missile submarine ×48

Statements (47)

Predicate	Object
instanceOf	ballistic missile submarine → nuclear-powered submarine → strategic deterrent platform →
armament	Spearfish heavyweight torpedo → Trident II D5 submarine-launched ballistic missile →
base	Faslane →
beam	approximately 12.8 metres →
builder	Barrow-in-Furness shipyard → Vickers Shipbuilding and Engineering Ltd →
constructionStart	late 1980s →
countryOfOrigin	United Kingdom →
crewComplement	approximately 135 → approximately 160 including officers →
designFeature	anechoic tiles for acoustic stealth → double-hull sections →
designPurpose	to carry Trident missile system →
displacementSubmerged	approximately 15900 tonnes →
draught	approximately 12 metres →
enteredService	1990s →
flagCountry	United Kingdom NERFINISHED →
formsPartOf	Continuous At-Sea Deterrent → United Kingdom strategic nuclear deterrent →
homePort	HMNB Clyde →
length	approximately 149.9 metres →
maximumSubmergedSpeed	over 25 knots →
missileTubes	16 →
nationalProgram	UK Trident programme →
nuclearCapability	nuclear-armed →
nuclearWarheadCarrier	yes →
numberOfUnitsBuilt	4 →
operator	Royal Navy →
plannedSuccessorClass	Dreadnought-class ballistic missile submarine →
primaryMissileSystem	Trident II D5 →
propulsion	nuclear-powered →
reactorSupplier	Rolls-Royce →
reactorType	Pressurised water reactor →
replaced	Resolution-class ballistic missile submarine →
role	ballistic missile launch platform → strategic nuclear deterrent →
serviceBranch	Royal Navy Submarine Service →
status	in active service →
strategicPolicyContext	Continuous At-Sea Deterrent policy of the UK government →
strategicRole	seaborne leg of UK nuclear triad →
unit	HMS Vanguard → HMS Vengeance NERFINISHED → HMS Victorious → HMS Vigilant →

Referenced by (3)

Subject (surface form when different)	Predicate
Trident II D5 ("Vanguard-class ballistic missile submarine") →	deploymentPlatform
HMNB Clyde →	hosts
United Kingdom defence policy →	nuclearSystem