Carrier lessons as a transnational synthesis

British wartime experience centred on operations against land-based aviation in the Mediterranean, while the United States accumulated more experience of carrier-versus-carrier warfare. Neither experience answered every design question, so the two navies exchanged observations and adapted what suited their own doctrine, force structure, and geography. Deputy First Sea Lord Sir Charles Edward Kennedy-Purvis provided an institutional channel for gathering that evidence into British future-ship planning. His committee linked operational demands with design work that the wartime First and Third Sea Lords no longer had time to supervise directly. The exchange shows how allied evidence entered British ship requirements without erasing national priorities.