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Type 45 Destroyers

Asked by Andrew BowieConservativeMinistry of DefenceTabled Answered 10 July 2026UIN 15401

The question

To ask the Secretary of State for Defence, whether he has made an assessment of the potential risks in maritime air defence capability as the Type 45 destroyers approach retirement without a replacement.

Answered by Luke Pollard

The role of Maritime Air Defence, currently delivered by Type 45 Destroyers, will be delivered in the future by a mix of crewed Common Combat Vessels and uncrewed, autonomous missile (Type 91) and sensor (Type 94) ships.

The decision to move to this hybrid approach was taken after detailed analysis of current and future threats, including lessons from ongoing conflicts. The specific analysis is necessarily classified, but the mix of crewed and uncrewed systems will produce a more flexible force, with greater missile capacity while also improving mass. The alternative, an expensive, exquisite platform such as the Type 83, would have resulted in too few ships to cover all the Royal Navy’s tasks, increasing risk. Detailed planning for the transition between Type 45 and the Hybrid Navy Maritime Air Defence capability will be undertaken in consultation with industry, which will determine whether a Type 45 extension is implemented. A final decision is not expected until 2027-28.

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