questionText: To ask the Secretary of State for Defence, per year how many days does an average (a) batch 1 River class (b) batch 2 River class (c) Type 23 frigate (d) Type 45 Destroyer spend at sea.
answerText: The Ministry of Defence provides the House of Commons Defence Committee (HCDC) with Royal Navy Surface Fleet readiness days broken down by vessel output category on a six-monthly basis. This was last shared with the HCDC on 18 May 2026 and is readily avai...
heading: Warships: Deployment