Opinion | The U.S. is losing its military edge in Asia, and China knows it

As China’s armed forces grow in strength, sophistication and confidence, U.S.-led military deterrence in the Indo-Pacific is losing its bite.

Take the United States’ military presence in the region. It has about 55,000 military personnel in Japan and 28,000 in South Korea. Several thousand more are deployed across Australia, the Philippines, Thailand and Guam. This posture has barely changed since the 1950s. But plans to reinvigorate the U.S. presence have been stymied by inadequate budgets, competing priorities and a lack of consensus in Washington on how to deal with China.

The Pentagon has increased investments in cutting-edge technologies like artificial intelligence, and cyber- and space-based systems to prepare for a possible high-tech conflict with China in the 2030s. But the balance of power is likely to shift decidedly in China’s favor by the time they are deployed…