The UK government is weighing up an unusual fix for a stretched Royal Navy: hiring commercial cargo ships to keep its warships supplied. Behind the bureaucratic language and strategic reviews lies a simple truth – Britain’s support fleet is too small, too old and too often unavailable, while France quietly sails circles around its allies on readiness.
Britain’s former giant forced to rent civilian cargo ships
The Ministry of Defence has confirmed it is studying the use of civilian vessels to bolster the Royal Fleet Auxiliary (RFA), the support arm that fuels, feeds and equips Royal Navy task groups at sea.
Britain is considering chartering commercial cargo ships to carry food, spare parts and fuel in safe waters so limited military support ships can focus on frontline tasks.
Defence Secretary Luke Pollard signalled in mid‑October that talks are already underway with British maritime companies through the Shipping Defence Advisory Council. The idea is straightforward: when a carrier group or destroyer heads out, some of the “easy” logistics would be handled by civilian hulls.
These commercial ships would be used only for “non-contested” missions. That means no front-line danger, no hostile coasts, and no sailing into missile range. Instead, they would resupply bases, shuttle cargo between friendly ports and operate on predictable sea lanes far from combat zones.
In theory, this frees up the RFA’s dwindling number of specialist vessels for the tough, high‑risk work only a military ship can do: replenishment at sea, support for amphibious forces, and presence missions in tense areas like the Baltic, the Red Sea or the South China Sea.
The strategic review that pushed London to this point
This shift is not a sudden gimmick but flows from the UK’s Strategic Defence Review 2025. The review pushes for a navy that is “more flexible and more affordable,” code for doing more with less by pulling in the private sector.
Britain’s challenge is stark. The Royal Navy has cutting‑edge kit on paper – two modern aircraft carriers, high-end Type 45 destroyers, and new frigates coming. Yet the support structure behind them has thinned out over decades of cuts, delays and cancelled programmes.
Ships that refuel and rearm the fleet, especially the RFA solid support ships, are either ageing or missing. When one goes into maintenance, there is often no easy substitute. That gap leaves carrier groups relying on careful scheduling, allied help or, soon, rented civilian cargo ships.
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Three long‑awaited support ships, still years away
A big part of the problem sits in British shipyards and design offices rather than at sea. The RFA is waiting for three new Fleet Solid Support (FSS) ships being built under the “Team Resolute” contract, a £1.6 billion programme involving BMT, Harland & Wolff and Navantia UK.
These large vessels are meant to act as floating warehouses, transferring ammunition, fuel and supplies to warships while both are under way. They are crucial if the UK wants its carriers to operate independently for long periods, far from friendly ports.
The catch is timing. The FSS ships are not expected to be operational until the late 2020s. Until then, London faces an uncomfortable gap: either limit deployments or improvise. Hence the move toward chartered commercial tonnage as a stopgap.
Without enough dedicated support ships, Britain risks fielding “showpiece” carriers that struggle to sustain serious operations without improvising their logistics.
France quietly schools its allies on readiness
Across the Channel, France offers a very different picture. Its navy, the Marine nationale, is smaller in total hulls but ruthlessly focused on availability. Paris has invested less in dramatic headlines and more in making sure its ships can actually sail when needed.
For 2025, French first‑rank combatants – frigates, destroyers and other core units – show availability rates of around 80%. That means most of the fleet can go to sea on short notice.
By contrast, British figures are sobering. Out of 62 active naval vessels, only around 19% are assessed as “combat ready” at any moment, and roughly 43% if you include ships in some form of maintenance but still usable. The US Navy, despite its far larger fleet and budget, sits somewhere in between.
| Country | Availability rate (2025) | Active fleet size | Ships realistically deployable |
|---|---|---|---|
| France | ~80% | ~100 ships (including 9 submarines) | ~80 ships |
| United Kingdom | 19% combat ready / 43% incl. maintenance | 62 ships | ~8 to 27 ships |
| United States | ~62.5% | ~480 ships | ~300 ships |
How France keeps more ships at sea with fewer hulls
French naval planners have focused on three main levers to keep their fleet ready without breaking the bank.
- Dual crews on key ships: Some French frigates use dual crewing, rotating two full crews through one hull. The ship can stay deployed up to 180 days per year while sailors still get rest and training.
- Tight, competitive maintenance contracts: Major yards like Naval Group and Chantiers de l’Atlantique compete under clear performance-based contracts overseen by the Fleet Support Service. That narrows delays and cost overruns.
- Maintenance at sea: Certain technical operations, known as PDO10 in French planning, are done while the ship remains deployed, cutting the time it spends tied up in dry dock.
The result is blunt: fewer platforms, but each one spends more time operational. That contrasts with the British pattern of high-profile platforms that are frequently sidelined by maintenance, crew shortages or technical issues.
A “humiliating” move that still makes military sense
Among naval traditionalists in London, the idea of Royal Navy operations depending on civilian cargo ships grates badly. For a service that once guaranteed global sea lanes, having to rent merchant hulls feels like an admission of decline.
Yet, viewed coldly, the scheme is logical. Moving food and spare parts between safe ports does not require a highly trained RFA crew and complex replenishment systems. In peacetime, subcontracting that work to commercial operators can save money and let scarce military assets focus on riskier tasks.
Using civilian ships for low-threat logistics is a pragmatic fix, but it throws an unflattering spotlight on years of underinvestment and delay in the Royal Navy’s support fleet.
There are also political optics at play. British defence spending has already provoked rows in Parliament, especially around the cost and reliability of the two Queen Elizabeth-class carriers. One or both have at times been docked by technical faults just when London wanted to show the flag abroad. Turning to commercial shipping risks feeding a narrative that the UK has built prestige assets without funding the boring, unglamorous backbone they need.
The French “Royale” pushes ahead while London improvises
While London juggles budgets and charters, Paris has mapped out a long-term naval rebuild backed by serious money. The 2024‑2030 French defence spending plan allocates around €413 billion, with a major share for maritime forces.
Projects include new FDI-class frigates, the next generation of nuclear attack submarines, a future aircraft carrier to replace Charles de Gaulle, fresh ocean patrol vessels, naval drones and expanded satellite coverage. Each programme is framed not only in terms of raw firepower but also maintainability and operational availability.
French officials often stress a simple idea: wars are not won by the number of impressive silhouettes in a brochure, but by how many ships can actually leave the quay at short notice and stay out there.
What “non-contested” really means – and where the risks sit
The label “non-contested” will matter a lot if Britain starts leaning heavily on civilian cargo ships. In military jargon, it refers to areas where there is no credible threat of enemy action – no hostile submarines, anti-ship missiles or mines.
In practice, that definition can shift quickly. A route considered safe in peacetime can become risky once tensions flare. Civilian‑crewed ships lack self-defence weapons and are not trained to operate under fire. That raises several concerns:
- If a conflict spreads unexpectedly, civilian supply ships could find themselves exposed before the navy can protect or replace them.
- Adversaries could target them with cyberattacks or economic pressure, disrupting logistics without firing a shot.
- Insurance and crew safety rules might limit where these ships are legally allowed to sail once risk ratings change.
One likely scenario is a mixed model. In calm regions – say, between UK ports and secure Mediterranean hubs – civilian ships handle bulk resupply. Closer to flashpoints, RFA vessels take over, bringing supplies the last few hundred miles into contested zones.
Why logistics, not shiny hulls, shapes real naval power
For readers less familiar with maritime jargon, the debate here is really about logistics. Warships burn fuel at enormous rates, require constant technical support and depend on a steady flow of munitions and spare parts. A carrier strike group is less like a car and more like a small, mobile city.
History repeatedly shows that fleets fail when supply chains crack. From the Pacific campaigns in World War II to current operations in the Red Sea, the navies that keep their tankers and support ships flowing tend to control events.
France’s numbers suggest that a mid‑sized fleet, carefully maintained and consistently deployable, can rival or outperform a larger but less available one. Britain’s turn to civilian cargo ships underlines the same point from the other side: the most glamorous carrier or destroyer means little if the fuel line behind it falters.
If London’s experiment succeeds, it might become a permanent feature and spread to other allies. If it fails, it could deepen doubts about the Royal Navy’s ability to act as a reliable partner at sea – especially when its closest rival, the French “Royale”, keeps quietly showing up on time with ships that are ready to sail.