The design draws on the nuclear-powered Barracuda attack submarines in service with the French Navy. Naval Group developed the conventional variant to hunt submarines and surface ships, strike targets deep inland, gather intelligence and support special forces.
The hull is shaped to improve manoeuvrability, while onboard systems reduce the boat’s acoustic and magnetic signatures. Lithium-ion batteries developed with Saft, a TotalEnergies subsidiary, store more energy than traditional lead-acid batteries, allowing the boat to stay submerged for longer, Naval Group said.
The submarine is designed to operate with a crew of about 35, with room for commandos or technical specialists when needed. A dedicated space can be configured for special forces, fitted with additional intelligence-gathering equipment or used to carry underwater drones.
The combat system and equipment installed inside and outside the hull are designed to support the deployment of aerial and underwater drones. The modular design also allows navies to choose onboard systems and fittings to suit their missions and incorporate equipment from their own suppliers.
The Netherlands selected the Blacksword Barracuda as the basis for its four conventionally powered Orka-class attack submarines, which will carry F21 heavyweight torpedoes. The Dutch programme brings together French and Dutch suppliers, with work spanning battery and propulsion systems, sonar, hull structures, electrical systems and logistics support.




