French submarine Duguay-Trouin

History
France
NameDuguay-Trouin
BuilderNaval Group
Laid down26 June 2009
Launched9 September 2022
Commissioned28 July 2023
In service4 April 2024
General characteristics
Class & 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 &
processing systems
  • Hull and flank sonar Thales UMS-3000
  • SYCOBS
  • SEACLEAR
  • Velox-M8
Armament

Duguay-Trouin (S636) is a French nuclear attack submarine and the second boat of the Suffren class. The vessel was laid down on 26 June 2009 and launched on 9 September 2022 at Cherbourg. It was commissioned on 28 July 2023.