The resemblance between late-1930s studies and Implacable was not accidental. Design M and Design A already contained features that carried into the wartime ship. Henderson's long tenure as Third Sea Lord and Stanley Goodall's work in naval construction established designs that could be adapted under pressure. The Navy therefore built from tested concepts rather than suddenly discovering carrier design after 1939.
Chapter · 42:57-46:13
Prewar studies become wartime carrier designs
Design M, Design A, and Henderson's construction program show continuity between 1930s studies and wartime British carriers.