Akagi's reconstruction and Japan's industrial limits

Warships after London traces the reconstructions of Akagi and Kaga, including retained casemate guns, revised anti-aircraft batteries, and displacements well above their original treaty figures. Akagi received new boilers but kept her old turbines because funding delayed and limited the refit. A faster Akagi might have altered tactical details, including whether a third wave was sent at Pearl Harbor, without reversing the Pacific War's outcome. Japan still lacked the maritime infrastructure, construction continuity, resources, and industrial depth available to Britain and the United States. Roads and railways mattered because the navy could not fully mobilise an economy without the transport capacity to sustain shipbuilding and war.