Australia already possessed more naval and industrial support capacity than a map of its population might suggest, built through long Royal Navy and Royal Australian Navy investment. Those facilities could support an Allied buildup, even though the arrival of American and British Pacific forces would strain them. Darwin's distance from southern Australia would complicate reinforcement, but occupying the port would not remove the Allies' ability to respond across the Indian Ocean. One possible response would transfer a battle-experienced British armored brigade from the Middle East, whose heavier tanks would present a new problem for Japanese forces organized around lighter equipment and island campaigns. The discussion distinguishes a dramatic amphibious landing from the logistics and coalition response required to turn it into durable control.
Notable Point · 1:49:39-2:00:35
Why occupying Darwin would not mean conquering Australia
A Darwin counterfactual separates the initial seizure of a northern port from the much harder task of sustaining a campaign against Australia and its allies.