M51.3
France2025 - Present
The M51.3 is the latest variant of France's submarine-launched ballistic missile. Deployed on Triomphant-class submarines, it ensures France's independent nuclear deterrent with improved range, accuracy, and penetration capability.
Primary Specifications
Range
9000 km
Strategic deterrent range
Speed
Mach 25
High-speed ballistic profile
Propulsion
Solid-fueled, Three-stage
Three-stage solid propulsion
Weight
52000 kg
Submarine tube optimized
Payload
1000 kg
French SLBM payload capacity
Primary Guidance
Stellar-inertial
Quick Summary
What it is?
A submarine-launched nuclear missile for strategic deterrence
Who uses it?
French Navy (Marine Nationale)
Role
Strategic nuclear deterrent from Triomphant-class submarines
What's different?
Extended range over 10,000 km with new TN-75 warheads - improved penetration aids defeat modern missile defenses
Why it matters?
Guarantees France's independent nuclear deterrent capability, separate from NATO, for decades to come.
Real-World Impact
1
Independent Deterrent
Provides France with nuclear capability independent of any alliance
2
Continuous Patrol
At least one submarine always at sea ensures retaliation capability
3
Extended Range
Can strike targets over 10,000 km away from patrol areas worldwide
4
Stealth Launch
Submarines are virtually undetectable, guaranteeing second-strike capability
Additional Features
Secondary Systems
Advanced penetration aids
Special
Submarine-launched
FAQs
1. What submarines carry M51?
Four Triomphant-class submarines (Le Triomphant, Le Téméraire, Le Vigilant, Le Terrible) each carry 16 M51 missiles.2. What is the TN-75 warhead?
3. What's new in M51.3?
4. How many warheads per missile?
5. When will M51.3 deploy?
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