Trident II D5
USA1990 - Present
The Trident II D5 is a submarine-launched ballistic missile that forms the sea-based leg of the US and UK nuclear triads. With a range of over 12,000 km and exceptional accuracy, it is the most reliable strategic missile ever deployed.
Primary Specifications
Range
12000 km
Global reach from submarine platforms
Speed
Mach 24
High speed ballistic trajectory
Propulsion
Solid-fueled, Three-stage
Three-stage solid propellant
Weight
58500 kg
Optimized for submarine launch tubes
Payload
2800 kg
Submarine-launched payload capacity
Primary Guidance
Stellar-inertial + GPS
Quick Summary
What it is?
A submarine-launched nuclear missile with intercontinental range
Who uses it?
US Navy Strategic Systems Programs, Royal Navy
Role
Strategic nuclear deterrent from Ohio and Vanguard class submarines
What's different?
Over 215 test launches with 97% success rate - carries up to 8 W88 (475 kt) or 12 W76 (90 kt) warheads with near-ICBM accuracy
Why it matters?
Provides the most survivable leg of nuclear deterrence - submarines are virtually undetectable, ensuring guaranteed retaliation.
Real-World Impact
1
Hidden Deterrent
Launched from submarines that cannot be found - the ultimate second-strike guarantee
2
Surgical Accuracy
CEP of around 90 meters - can destroy hardened military targets like enemy missile silos
3
Flexible Response
Can carry high-yield W88 for cities or low-yield W76-2 for battlefield use
4
Global Coverage
14 US and 4 UK submarines provide continuous worldwide deterrent patrol
Additional Features
Secondary Systems
Mk 6 navigation system
Special
Submarine-launched
FAQs
1. What is a SLBM?
Submarine-Launched Ballistic Missile - a ballistic missile capable of being launched from submarines, providing a hidden and survivable nuclear deterrent.2. How accurate is Trident?
3. How many warheads per missile?
4. What is the W76-2?
5. How long will Trident serve?
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