Japan on Tuesday unveiled its biggest overhaul of defence export rules in decades, scrapping restrictions on overseas arms sales and opening the way for exports of warships, missiles and other weapons. The move aimed at strengthening Japan’s defence industrial base marks another step away from the pacifist restraints that have shaped its postwar security policy. It has been made in tandem with efforts to deepen ties with other nations in Asia to counter China’s growing regional influence. Wars in Ukraine and the Middle East are also straining US weapons production, expanding opportunities for Japan. At the same time, US allies in Europe and Asia are looking to diversify suppliers as Washington’s long-held security commitments look less certain under President Donald Trump. “No single country can now protect its own peace and security alone, and partner countries that support each other in terms of defence equipment are necessary,” Japanese Prime Minister Sanae Takaichi said in a p...