{
  "id": "suffren",
  "name": "Suffren Class (Barracuda Class)",
  "aliases": [],
  "domain": "naval",
  "country": "FRA",
  "category": "Nuclear attack submarine",
  "status": null,
  "fielded": 2020,
  "operators": [
    "FRA"
  ],
  "prolif_count": 1,
  "summary": "The Barracuda class (or Suffren class) is a nuclear attack submarine, designed by the French shipbuilder Naval Group (formerly known as DCNS and DCN) for the French Navy. It is intended to replace the Rubis-class submarines.",
  "specs": [
    {
      "k": "",
      "label": "Units built",
      "section": "system",
      "v": "Ships Planned: 6 Ships Completed: 1",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 60,
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 99.5,
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "beam_m",
      "v": 8.8,
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Draft",
      "section": "dims",
      "v": "7.3 m",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Displacement (surface)",
      "section": "dims",
      "v": "4,680 tons",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "displacement_t",
      "v": 5300,
      "src": [
        "weg-suffren"
      ],
      "conf": "medium",
      "label": "Displacement (submerged)"
    },
    {
      "k": "propulsion",
      "v": "1 x modified K-15 pressurized water reactor.",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Engine power",
      "section": "mobility",
      "v": "41,500 total shp",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "range_km",
      "v": 10,
      "src": [
        "weg-suffren"
      ],
      "conf": "low",
      "note": "Unlimited range, 10 years (nuclear fuel) Automated check: outside the expected range for this type; verify against the source."
    },
    {
      "k": "",
      "label": "Endurance",
      "section": "mobility",
      "v": "70 days",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Navigation Radar",
      "section": "firecontrol",
      "v": "1 x Sagem/Kelvin Hughes Series 10 CSR navigation",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Hull and Flank Sonar",
      "section": "firecontrol",
      "v": "1 x Thales UMS-3000 integrated sonar suite",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Active Protection System",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Decoys",
      "section": "protection",
      "v": "1 x Canto-S decoy dispenser",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Main Armament: torpedo tubes",
      "section": "armament",
      "v": "4 x 533-mm Torpedo Tubes",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Main Armament: total armament",
      "section": "armament",
      "v": "20 total Weapons of either SCALP Naval cruise missiles; SM 39 Exocet anti-ship missiles; F21 heavyweight torpedoes; or FG-29 type mines in lieu of torpedoes.",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Mines",
      "section": "armament",
      "v": "FG-29 type mines can be carried in lieu of torpedoes.",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "v": "SM 39 Exocet; Missile de Croisière Naval (Storm Shadow CASOM); F21",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium"
    },
    {
      "k": "hulls",
      "v": 6,
      "src": [
        "weg-suffren"
      ],
      "conf": "medium",
      "note": "Hulls listed in the source card"
    }
  ],
  "payloads": [
    {
      "name": "SM 39 Exocet",
      "role": "Anti-Ship Cruise Missile",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Anti-Ship Cruise Missile",
        "Warhead": "363 lb. (165 kg) Hexolite blast fragmentation",
        "Speed": "594 kt (684 mph; 1,100 km/h) or Mach 0.93",
        "Length": "5.80 m"
      },
      "range_km": 50,
      "qty": "See total Armament"
    },
    {
      "name": "Missile de Croisière Naval (Storm Shadow CASOM)",
      "role": "Long-Range Cruise Missile",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Long-Range Cruise Missile",
        "Guidance": "inertial guidance, topographic (TERCOM/TERPROM), active radar homing and infrared guidance, GPS",
        "Speed": "800 km/h (500 mph; 430 kn; Mach 0.65)",
        "Length": "6.5 m"
      },
      "range_km": 1000,
      "qty": "See total Armament"
    },
    {
      "name": "F21",
      "role": "Heavy Torpedo",
      "src": [
        "weg-suffren"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Heavy Torpedo",
        "Speed": "50 kn (58 mph; 93 km/h)",
        "Length": "6.0 m"
      },
      "range_km": 50
    }
  ],
  "variants": [
    {
      "name": "Note",
      "text": "Ships Planned: 6 Ships Completed: 1",
      "src": [
        "weg-suffren"
      ]
    },
    {
      "name": "Suffren",
      "text": "Commissioned: Expected in 2020",
      "src": [
        "weg-suffren"
      ]
    },
    {
      "name": "Duguay-Trouin",
      "text": "Commissioned: Expected in 2025",
      "src": [
        "weg-suffren"
      ]
    },
    {
      "name": "Tourville",
      "text": "Commissioned: Expected in 2025",
      "src": [
        "weg-suffren"
      ]
    },
    {
      "name": "De Grasse",
      "text": "Commissioned: Expected in 2025",
      "src": [
        "weg-suffren"
      ]
    },
    {
      "name": "Rubis",
      "text": "Commissioned: Expected in 2030",
      "src": [
        "weg-suffren"
      ]
    },
    {
      "name": "Casabianca or Dupetit-Thouars",
      "text": "Commissioned: Expected in 2030",
      "src": [
        "weg-suffren"
      ]
    }
  ],
  "art": "submarine",
  "image": null,
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-10",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN), bulk import"
    }
  ],
  "url": "https://www.defensepedia.com/systems/suffren.html",
  "sources": {
    "weg-suffren": {
      "title": "Suffren Class (Barracuda Class) French Nuclear Attack Submarine",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/Suffren_Class_Barracuda_Class_French_Nuclear_Attack_Submarine",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}