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Drones: Industry & Defence
26OCT

Type 91 to 94 robot fleet takes shape

2 min read
15:07UTC

The Ministry of Defence attached £1.5 billion and a 2030 target to the Royal Navy's four new uncrewed classes, publishing their first size figures.

TechnologyDeveloping
Key takeaway

Britain put £1.5 billion and firm sizes behind four uncrewed warship classes, though no builder is yet named.

The Ministry of Defence attached a £1.5 billion, four-year funding line and a 2030 delivery target to the Royal Navy's four newly designated uncrewed hulls on 16 July 2026, publishing their first size figures.⁠1 The classes were first named in the 30 June Defence Investment Plan; the detail now firms up what each hull is for.

Type 91 is an uncrewed missile platform of roughly 70 to 75 metres; Type 92 an autonomous anti-submarine warfare platform near 90 metres; Type 93 an extra-large uncrewed submarine (XLUUV) grown from the existing Excalibur trials programme for long-endurance surveillance; Type 94 an uncrewed sensor platform of up to 3,000 tonnes for fleet and homeland air defence. The Ministry targets the first large autonomous vessels, including a prototype missile platform and XLUUVs, in service by 2030.

That architecture sits alongside the at least six Common Combat Vessels recast as drone-control hubs, sketching a surface fleet where crewed motherships direct uncrewed shooters and sensors rather than fighting alone. No contractor is named and no in-service date beyond the 2030 aspiration is set, which leaves the delivery risk on a programme now sized in metres and billions but not yet in signed steel.

Deep Analysis

In plain English

Britain has given more detail about four new types of uncrewed warship it plans to build, numbered Type 91 to Type 94. One will fire missiles, one will hunt submarines, one is a large underwater robot for long missions, and one will carry sensors to spot threats from the air. The government has promised at least £1.5 billion over four years for this work, and wants the first of these robot ships working by 2030. But no company has yet been chosen to actually build them, so the plan is still on paper rather than in a shipyard.

Deep Analysis
Root Causes

The Ministry of Defence is naming four distinct hull types rather than one flexible class because each mission set, missile strike, anti-submarine sensing, extra-large underwater surveillance, and air sensing, demands a different hull form and sensor fit that a single uncrewed platform cannot combine without unacceptable compromises in size or endurance.

Type 93's design is growing directly out of the Excalibur trial vehicle rather than starting fresh, because the Submarine Delivery Agency's 2026-to-2028 Excalibur contract already generated hull and endurance data the Ministry of Defence can reuse rather than re-fund from scratch.

What could happen next?
  • Risk

    Four hull classes advancing at once concentrates budget and schedule risk in one spending review period rather than spreading it across sequential builds.

First Reported In

Update #7 · Thales buys Exail; UK retires a minehunter

The News (Portsmouth)· 18 Jul 2026
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Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Editorial standards.