The Royal Navy wanted Arethusa-type ships to replace the D class and Dido-type anti-aircraft cruisers to replace the C class, or earlier 1930s equivalents of both. Treaty commitments prevented that replacement cycle, while politicians valued the headline total of 70 cruisers and avoided its cost. The C, D, E, and Hawkins classes therefore remained in service when World War II began. A numerical total could look adequate even when many hulls were over age. Fleet size on paper said little about the age, role, or fighting value of the ships counted.
Notable Point · 20:24-21:12
Modern replacements versus the 70-cruiser headline
Arethusa and Dido replacements show why a nominal total of 70 cruisers concealed the age, role, and combat value of the force.