Le Triomphant Class (SNLE)
Type: Submarine
Domain: sea
Country of Origin: France
Manufacturer: DCNS / Naval Group
Overview
France's strategic nuclear-powered ballistic missile submarine (SSBN) class, forming the backbone of the national nuclear deterrent under the Force Océanique Stratégique (FOST). Displacement of 14,335 tonnes submerged with a crew of 111. Armed with 16 M51 submarine-launched ballistic missiles, each carrying multiple independently targetable re-entry vehicles (MIRVs) with thermonuclear warheads. Powered by a K15 pressurized water reactor with pump-jet propulsion for ultra-quiet operations. Four boats in class: Le Triomphant, Le Téméraire, Le Vigilant, and Le Terrible. At least one boat is permanently at sea maintaining continuous at-sea deterrence (CASD) since 1972.
Technical Specifications
| Crew | 111 |
|---|---|
| Type | Nuclear Ballistic Missile Submarine (SSBN) |
| Speed | >25 knots (submerged) |
| Length | 138 m |
| Warheads | Up to 160 TN75/TNO (6-10 per missile × 16 missiles) |
| Propulsion | 1x K15 nuclear reactor (150 MW) |
| SLBM Tubes | 16x M51 SLBM |
| Displacement | 14,335 tonnes (submerged) |
| Torpedo Tubes | 4x 533mm (L5 torpedoes) |
Operators
- France
Related sea Weapon Systems
- Pohjanmaa Class Corvette (Squadron 2020) - Corvette (Finland)
- Type 212CD Submarine (Germany-Norway) - Submarine (Norway)
- Asahi Class Destroyer (DD) - Destroyer (Japan)
- HTMS Chakri Naruebet - Aircraft Carrier (Spain)
- RIM-162 Evolved Sea Sparrow Missile (ESSM) - Long-Range Air Defense System (United States)
- TCG Işın - Support Ship (Türkiye)
- Haeseong (C-Star / SSM-700K) - Ballistic Missile (ICBM) (South Korea)
- Nongo-class Hovercraft - Amphibious Fighting Vehicle (North Korea)
- Neptune R-360 Anti-Ship Missile - Ballistic Missile (ICBM) (Ukraine)
- Riachuelo Class Submarine (Scorpène) - Submarine (France)