French submarine Suffren

Suffren (Q284/S635) is a French nuclear attack submarine. It is the lead ship of the Suffren class, stemming from the Barracuda programme. The vessel was laid down on 19 December 2007 and launched on 1 August 2019 at Cherbourg. It was commissioned on 6 November 2020; while full operational service had originally been anticipated in 2021, this was pushed back into 2022 after further testing/trials by the French Navy. Pursuant to testing the submarine was then declared fully operational on 3 June 2022.

For other ships with the same name, see French ship Suffren.
Suffren at Cape Brun off Toulon on 26 July 2020
History
France
NameSuffren
NamesakeAdmiral comte Pierre André de Suffren de Saint Tropez, bailli de Suffren
BuilderNaval Group
Laid down19 December 2007
Launched1 August 2019
Commissioned6 November 2020
In service3 June 2022
General characteristics
Class and typeSuffren-class submarine
Displacement
  • 4,765 t surfaced
  • 5,300 t submerged
Length99.5 m (326 ft 5 in)
Beam8.8 m (28 ft 10 in)
Draught7.3 m (23 ft 11 in)
Propulsion
  • K15 nuclear reactor, 150 MW (200,000 hp)
  • 2 x Turbo-generator groups: 10 MW (13,000 hp) each
  • 2 x emergency diesel generators 480 kW (640 hp) each
  • 1 x pump-jet electrically driven
Speed
  • >25 kn (46 km/h; 29 mph), submerged
  • 14 kn (26 km/h; 16 mph), surfaced
RangeUnlimited
Endurance70 days of food
Complement
  • 12 officers
  • 48 petty officers
Sensors and
processing systems
  • Hull and flank sonar Thales UMS-3000
  • SYCOBS
  • SEACLEAR
  • Velox-M8
Armament
  • 4 × 533 mm (21.0 in) tubes
  • 20 storage racks, including
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