8NOV

France signs Naval Group for combat UUV

2 min read

19:26UTC

France's DGA signed Naval Group for an air-transportable combat underwater drone, with sea trials from 2028 on money not yet found.

← Back to UK names HII at £303m; its tender said £125m Jump to analysis ↓

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Key takeaway

France has signed for a combat drone submarine whose build money is still unsecured.

France's arms procurement agency, the Direction Générale de l'Armement (DGA), signed on 3 November with the Defence Innovation Agency and Naval Group for an ocean-going combat uncrewed underwater vehicle demonstrator⁠¹. None of the parties disclosed the sum. The vehicle will be over 10m long yet fit inside an Airbus A400M transport aircraft, and sea trials are due from 2028.

Naval Group's Steeris OnBoard software will steer it, with a human supervising. Fitting the A400M means the French Navy could fly the boat to a distant theatre rather than sail it there. DARPA set a similar portability goal for its own AUV solicitation in August.

Naval News understands that France has not yet secured most of the build money. The final allocation is expected in 2027, after France's presidential election, so the 2028 trial date rides on a budget a new government will write.

Deep Analysis

In plain English

An uncrewed combat underwater vehicle is a robot submarine that can gather intelligence or attack targets without anyone aboard. People supervise it from a distance. The Direction Générale de l'Armement is France's arms procurement agency. It has asked Naval Group, the main French warship builder, to build one test vehicle. It must be small enough to fly in an A400M, a large military transport plane. France has not yet found most of the money to build it.

Deep Analysis

Root Causes

The A400M limit drives the design. A vehicle that fits an A400M can reach a distant port or a partner navy in hours instead of weeks on a ship's deck.

The funding gap follows the French budget cycle. Major equipment money for 2028 onwards will be set by a government elected in 2027, so a contractor cannot treat a trial date as firm until that budget passes.

What could happen next?

Risk
The 2028 trial date could slip if the 2027 budget does not fund the build.
Consequence
France will have a home-built robot submarine design largely free of foreign components if the build is funded.

Source Landscape

This story draws on neutral-leaning sources from Netherlands

Netherlands

Primary parallel: Britain's Submarine Delivery Agency gave M Subs of Plymouth a sole-source £6.68m contract in June 2026 to trial XV Excalibur, a 12m, 19-tonne extra-large uncrewed underwater vehicle, until May 2028. Both countries are testing a single large demonstrator over the same period before committing to a fleet.

Counter-parallel: Australia funded production first. The first Ghost Shark arrived in January 2026 under a production contract signed the year before, with many more promised, so trials and fleet build run together rather than in sequence.

The contract value is undisclosed, and Naval News understands most build funding is not yet allocated. The demonstrator contract signed on 3 November is the only priced commitment so far.

For Naval Group, the deal extends its Steeris software family from surface drones such as Seaquest into underwater vehicles, letting one autonomy product serve several hull types.

Consensus view: Naval News reports the contract builds on a December 2023 framework agreement between the Direction Générale de l'Armement and Naval Group, and that its industrial content is 'French or almost entirely French'. The vehicle will gather intelligence and carry out defensive and offensive missions, launched from a harbour or a surface ship.

Counter-view: The same report says the weapon is not specified and most build funding is missing. A signed demonstrator with no named weapon and an unfunded build gives the next government an easy line to cut or delay.

Key tension: Whether the A400M size limit, chosen so the vehicle can fly to a crisis, leaves enough room inside a 10m hull for the range and weapons an ocean-going combat role needs.

Sources:Naval News

Mentions:French Navy →Steeris OnBoard →Naval Group →Direction Générale de l'Armement →Defence Innovation Agency →Airbus A400M →France →Ghost Shark →Plymouth →DARPA →Airbus →XV Excalibur →Naval News →Australia →United Kingdom →

First Reported In

Update #14 · UK names HII at £303m; its tender said £125m

Naval News· 8 Nov 2026

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Different Perspectives

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Elbit Systems

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Defense Acquisition Program Administration

DAPA's 179th committee cleared a 591bn won mine-warfare USV programme on 6 November, alongside the Jangbogo-N nuclear submarine. HD Hyundai's Long Beach trial with Anduril shows Korean industry pitching hulls abroad while Seoul funds its own.

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Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Editorial standards.