Analysis of information sources in references of the Wikipedia article "County-class destroyer" in English language version.
Mr. Trotter asked the Secretary of State for Defence what is the approximate cost of a long refit of (a) a Leander class frigate and (b) a County class destroyer
Mr. Trotter asked the Secretary of State for Defence what are the annual running costs of ships of the following 486W types. .. (h) county class destroyers ....