Written Question·Ministry of Defence·UIN 115085

Arctic: Navy

Tabled: 23 February 2026

Answered: 4 March 2026

Question

James Cartlidge

To ask the Secretary of State for Defence, what assessment he has made of the adequacy of the Royal Navy's operating capability under ice.

Answer

Al Carns

The Royal Navy (RN) has maintained an under‑ice capability centred on the Submarine Service through Swiftsure and Trafalgar class submarines and is certifying the new Astute Class to uphold this capability.HMS Trenchant conducted the last Ice Exercise in ...

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