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Submarines2020–present
Nuclear attack submarine
Suffren-class submarine is a nuclear attack submarine. It was built by Naval Group.
FranceTechnical data
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 99.5 m | Wikipedia contributors | superseded |
Suffren class
Naval Group
French Navy
Rubis class
Orka class
€ 10.42 billion (2014) (equivalent to € 12.61 billion in 2025) for 6 units (about € 1.73 billion (2014) (equivalent to € 2.09 billion in 2025) per unit )
2007–present
2020–present
6
2
4
3
Nuclear attack submarine
4,765 t (4,690 long tons ) surfaced 5,300 t (5,200 long tons) submerged
99.5 m (326 ft 5 in)
8.8 m (28 ft 10 in)
7.3 m (23 ft 11 in)
1 × K15 nuclear reactor , 150 MW (200,000 hp) 2 × turbo generator groups : 10 MW (13,000 hp) each 2 × SEMPT Pielstick emergency diesel generators 480 kW (640 hp) each 1 × pump-jet electrically driven
≤ 23 kn (43 km/h; 26 mph) submerged 14 kn (26 km/h; 16 mph) surfaced
Unlimited range
~ 70 days (food storage can be increased)
>350 m (1,150 ft)
12 officers 48 petty officers
System: Naval Group SYCOBS combat management system NEMESIS electronic countermeasure system with CANTO-S decoys and automatic evasive manoeuvres (confusion/dilution principle) Thales PARTNER communications management system Masts: Safran Series-30AOM / SOM attack and search optronics mast (equipped with integral RESM antennas) Safran Series 10 CSR mast with Sentinel-U radar Safran SIGMA 40 XP gyrolaser navigation systems Sonars: Thales UMS-3000 hull and flank array sonar suite Thales ETBF DSUV 62C towed array sonar Thales SEACLEAR mine and obstacle avoidance sonar Thales VELOX-M8 broadband sonar interceptor Thales NUSS-2F Mk2 navigation echo sounder Communications: Thales DIVESAT communications satellite mast with Syracuse satellite link Data links: Link 11 , Link 16 and Link 22 Thales TUUM-5 MK2 distressed submarine (DISSUB) communication system
4 × 533 mm (21.0 in) torpedo-tubes and 20 storage racks for: F21 Artemis heavyweight torpedoes MdCN land-attack missiles Exocet SM39 Mod2 anti-ship missiles Naval Group D-19T UUV FG29 multi-influence mines
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Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Suffren-class submarine equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
FranceNavy exact named equipment holdings: Suffren. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: SUBMARINES / SSN. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.
Navy exact named class holdings of Suffren. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only, not a national or parent-force total or combat-readiness measure. Source role(s): SUBMARINES / SSN. No heading aggregate, carried armament, crew, payload, factory production or future order count inherited. The own fetched design source declares this exact class and its PDF operator country; ship capacities and fitted launcher/armament counts are retained as source scope, not added to hull quantities.