Britain's two-tier destroyers and global escort network

Extra peacetime iteration could let Britain adopt higher-pressure boilers and learn how to retrofit improved machinery before it settles on new escort designs. Fleet planning would probably follow a two-tier destroyer policy instead of asking one design to perform every task. The larger ships are envisaged at about postwar Daring-class size, with four twin gun mounts and two quintuple torpedo launchers. Smaller vessels closer to wartime emergency destroyers would provide numbers. Continued Black Swan-class sloop construction and successors to the Flower-class corvette would add anti-submarine and convoy-escort depth, perhaps evolving toward Castle-class corvettes or frigates. This mix supports Britain's strategy of denying a quick enemy success in each theatre until heavier forces can reinforce the threatened area. The delayed-war fleet depends as much on machinery, escorts, and distribution as on battleships and carriers.