By 1939 the scenario yields modernised battleships and carriers alongside new cruisers, destroyers, Ark Royal, Illustrious-class carriers, and King George V battleships using the new machinery. County-class cruisers could also receive machinery upgrades for greater speed or use the saved margin to accept thicker armour earlier. That visible strength complicates Axis and Japanese planning before combat begins. At destroyer scale, the Tribal class might pursue much greater power or use a two-boiler, two-shaft layout for separation and survivability, spending saved weight on weapons or protection instead of speed alone. Possible uses include more torpedoes or 40 mm anti-aircraft guns, showing that propulsion savings can be traded into combat capability without chasing maximum speed.
Chapter · 1:02:56-1:08:32
A stronger fleet changes deterrence and destroyer design
Fleet-wide adoption makes the prewar Royal Navy more formidable and gives Tribal-class destroyers choices between extreme power, fewer boilers, survivability, and added weapons.