Programme

Barracuda

Development and production of 6 on-board nuclear steam supply systems for the new generation of nuclear-powered attack submarines and their support system

©Marine Nationale

Barracuda Programme

The first ship of the « Le Suffren » series, was delivered to the French Navy in November 2020 and successfully accepted into service in June 2022.The nuclear reactor of the second submarine, le Duguay-Trouin, was commissioned in September 2022.

Main services

Development of the submarine nuclear steam supply system: design and dimensioning studies, layout of installations, definition and qualification of steam supply system equipment
Safety studies and production of official documentation to obtain operating authorizations (in particular the safety report)
Manufacture of the steam supply systems for the 6 submarines: procurement of equipment, assembly of steam supply systems, I & C and start-up tests
Development and manufacture of the support system including the tooling for loading and unloading the core and the training platforms for training Marine personnel

©Naval Group

Main stages:

January 2007 : Launch and construction of Barracuda-type submarines
August 2012 : Steam supply system pre-assembled in-factory on the Nantes-Indret site delivered by sea to Cherbourg
July 2013 : Nuclear steam supply system closed up, after integration into the hull section in late 2012
2015-2018 : Installation and tests of the I&C of the steam supply system and overall steam supply system tests
December 17, 2019 : 1^st commissioning of the Suffren
2020 : Sea test
November 6, 2020 : The Suffren officially delivered to the French Navy
September 30, 2022 : 1^st commissioning of the Duguay-Trouin