The D Class or Danae Class was a class of British cruisers of 4850 tons displacement ordered under the Great War Emergency War Programme as developments of the Ceres Class, but lengthened by about six meters to accommodate an additional 6-inch gun between the foremast and the first funnel and to carry triple torpedo tubes. Twelve ships were ordered in the D Class, but four (Daedalus, Daring, Desperate and Dryad) were subsequently cancelled. Research D Class