To ask the Secretary of State for Defence pursuant to the answer of 9 June 2008, Official Report, columns 66-7W, on nuclear submarines, what X and Z berths are available to the Royal Navy; when the X and Z berths outside HMNB Devonport and HMNB Clyde referred to in the answer of 14 November 2000 to the hon. Member for Leyton and Wanstead, Official Report, column 575W, on berths, lost their designated status; for what reasons; and if he will make a statement. (211913)

The designation of nuclear powered warship berths was amended in 2006 to ensure clarity in responsibility and consistency of definition across all nuclear powered warship berths. Berths outside of HMNB Devonport and HMNB Clyde base ports are now termed operational berths.