The Suffren class is planned to include six submarines with the following statuses: Suffren (S635): Launched in 2020 and in service. Duguay-Trouin: Delivered and operational.

Inside France’s Most Advanced Nuclear Submarines: The Suffren Class in Detail The F21 torpedo, with a diameter of 533 mm, is designed to equip nuclear attack submarines of the Rubis and Suffren ...