Navantia Unveils LASV75, a Fully Autonomous Warship for the Royal Navy's Hybrid Fleet
Key Takeaways
- ▸Navantia designed the LASV75, a 75-meter fully autonomous warship with modular mission payloads and sensor systems
- ▸The vessel uses Integrated Full Electric Propulsion (IFEP) and requires no crew, reducing operational costs and crew risk
- ▸Intended to support the Royal Navy's 'hybrid navy' concept combining crewed and uncrewed vessels for enhanced coverage
Summary
Spanish defense contractor Navantia has unveiled the design for the LASV75, a 75-meter unmanned surface vessel intended to operate alongside crewed warships in the Royal Navy's emerging 'hybrid navy' concept. The vessel features no bridge or crew spaces, relying instead on autonomous operation with modular payloads and sensor configurations that can be tailored for different missions—from escort duties to anti-submarine operations and undersea infrastructure protection.
The LASV75 displaces approximately 1,000 tonnes and is roughly half the length of a Type 45 destroyer. It employs Integrated Full Electric Power and Propulsion (IFEP), using diesel generators to drive electric motors, with waterline exhausts for a cleaner visual signature. The modular design allows rapid reconfiguration of mission systems, weapons, and sensor arrays via a distinctive mast capable of hosting various sensor packages.
Navantia positions the LASV75 as a solution for the Royal Navy's Atlantic Bastion strategy—protecting undersea cables and pipelines while tracking Russian submarines. The vessel could fulfill the Navy's Type 92 sloop requirement, effectively replacing the surveillance role currently handled by Type 23 frigates with a flotilla of uncrewed vessels capable of indefinite ocean patrols. The company emphasizes that autonomous vessels are "fundamental to the future of sovereign defence capabilities," signaling a broader industry shift toward unmanned naval operations.
- Could serve as the basis for Type 92 sloops to patrol the North Atlantic for submarine and cable protection, replacing crewed frigate patrols
Editorial Opinion
The LASV75 represents a pragmatic next step in autonomous naval systems, addressing real operational gaps in submarine detection and underwater infrastructure protection—missions currently requiring expensive, crewed vessels. However, the absence of concrete cost estimates or timeline from Navantia raises questions about feasibility and whether this design will actually attract Royal Navy funding amid competing procurement priorities. The success of this program will largely depend on autonomous systems performing reliably in adverse North Atlantic conditions, an environment that has historically challenged unmanned platforms.



