Question to the Ministry of Defence:

To ask the Secretary of State for Defence, under the Lunna House Agreement, by when does he plan to deliver innovative offshore support vessels, which will act as motherships for uncrewed mine hunting and undersea warfare systems.

The Lunna House announcement on 4 December 2025 highlighted the UK's intent, conveyed to the Prime Minister of Norway, Jonas Støre, to deliver the Offshore Support Vessel as the mothership for the Mine Hunting Capability programme.

The delivery and in service dates of the Offshore Support Vessels is to be determined as part of the Defence Investment Plan and the development of the Anglo-Norwegian Memorandum of Understanding.