First UK autonomous XL military submarine is put through in-water testing
The Herne XLAUV was tested off the UK's south coast. (Picture: BAE Systems)
BAE Systems in the UK has demonstrated the operation of its new XLAUV (Extra Large Autonomous Underwater Vessel), the Herne, during an assessment process off the English south coast near Portsmouth.
The Herne XLAUV was designed to give navies a sturdy “off board sensor” that could inspect undersea infrastructure, support anti-submarine warfare and deliver covert subsea surveillance.
The Herne, when deployed in the wild, has a degree of on board decision-making within its makeup, “deciding” for itself whether discovered information requires immediate surfacing and sending or whether sustained station-keeping is the more effective course of action.
The trial process involved the Herne conducting
Our news & analysis is now part of Defence Insight®
A Basic-level or higher Defence Insight subscription is now required to view this content.
More from Naval Warfare
-
ST Engineering makes Euronaval debut with MRV European export campaign
A six-ship home order, agreements with Saab, Naval Group and Babcock and spare yard capacity underpin the group’s first Euronaval bid for smaller European navies.
-
Navies need cheaper ways to defeat drones, but can they sustain merchant protection?
New interceptors and launchers could help navies preserve missile stocks during prolonged escort operations. Yet lower engagement costs will only improve merchant protection if the weapons are available where ships need defending.
-
Euronaval 2026: Red Cat’s Blue Ops follows USV demand from Asia to the Andes
With its B-26 USV in full-rate production, Blue Ops is seeking to turn overseas interest into orders through a combination of lower operating costs, UAV integration and local manufacturing.