Trident II D5 missile

E77491

The Trident II D5 missile is a submarine-launched, nuclear-capable ballistic missile used by the U.S. and U.K. navies as a key component of their strategic deterrent forces.


Statements (49)
Predicate Object
instanceOf Trident missile family member
nuclear-capable ballistic missile
strategic weapon system
submarine-launched ballistic missile
abbreviation Trident D5
countryOfOrigin United States
deploymentConcept continuous at-sea deterrent
deploymentPattern multiple missiles per submarine
deploymentPlatform Ohio-class ballistic missile submarine
Vanguard-class ballistic missile submarine
designedFor high accuracy
long-range nuclear strike
family Trident missile system
fuelType solid propellant
guidanceSystem GPS-aided guidance (later upgrades)
inertial guidance
stellar (astro-inertial) guidance
launchEnvironment sea-based
launchMethod cold launch from submarine launch tube
launchMode submerged launch
launchPlatformType ballistic missile submarine
manufacturer Lockheed Martin Space Systems
missionType strategic strike
natoDesignation UGM-133A
operator UK Strategic Command
US Strategic Command
partOf United Kingdom strategic nuclear deterrent
United States nuclear triad
predecessor Trident I C4
primaryTargets countervalue targets
hardened strategic targets
propulsionType three-stage solid-fuel rocket
rangeCategory intercontinental
role strategic nuclear deterrent
serviceEntry 1990
status in service
strategicRole sea-based leg of nuclear triad
treatyRelevance subject to New START counting rules
upgradeProgram D5 Life Extension Program
usedBy Royal Navy
United States Navy
userNation United Kingdom NERFINISHED
United States
warheadDelivery reentry vehicle
warheadModel UK-designed thermonuclear warhead
W76 thermonuclear warhead
W88 thermonuclear warhead
warheadType MIRV
multiple independently targetable reentry vehicles

Referenced by (11)
Subject (surface form when different) Predicate
Dreadnought-class submarine ("Trident II D5 ballistic missile")
Vanguard-class ballistic missile submarine ("Trident II D5 submarine-launched ballistic missile")
armament
Atomic Weapons Research Establishment, Aldermaston ("Trident missile warheads")
associatedWithWeaponSystem
Trident nuclear missile system ("U.S. Navy Trident II D5 system")
basedOn
Trident nuclear missile system
component
Royal Navy Submarine Service
currentWeaponSystem
Lockheed Martin
majorProduct
Nuclear weapons policy of the United Kingdom ("Trident II D5 missiles leased from the United States")
missileSupplyArrangements
Draper Laboratory ("Trident missile guidance system")
notableProject
Vanguard-class ballistic missile submarine ("Trident II D5")
primaryMissileSystem
Prompt Global Strike ("Conventional Trident Modification")
relatedTo

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