Written Question·Ministry of Defence·UIN 17805

Navy and Marines

Tabled: 10 July 2026

Answered: 21 July 2026

Question

Stuart Anderson

To ask the Secretary of State for Defence, how many of the Royal Navy and Royal Marines regular personnel are not deployable or medically downgraded.

Answer

Mr Calvin Bailey

At 1 April 2026 (most recently available data) 10.4% of Royal Navy personnel and 7.2% of Royal Marines personnel were graded Medically Non-Deployable (MND). Personnel graded as MND are not fit to deploy on Operations, they may be deployable on UK based ex...

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