(Photo: NATO)In the post-World War II period, the U.S. maintained nearly uncontested supremacy over the vast Asia-Pacific region. His ‘America First’ policy is reshaping U.S. relations with Asia-Pacific countries in defense, alliance patterns, and economic domains. The disconnect in U.S. relations with key strategic allies Japan, Australia, and India raises doubts about the future of both the Quad and AUKUS. Expressing concerns against U.S. policies by allies such as Japan, South Korea, Australia, and India, the fate of the Quad and AUKUS signals this erosion. Japan, South Korea, Australia, and India, among others, had started to warm up to China by 2024.