What Happens When U.S. Defense Strategies Evolve for a New Era of Threats? In 2025, America’s defense strategy pivots toward modernization, deterrence, and homeland protection against increasingly complex global threats. The Pentagon prioritizes countering hypersonic missiles from China and Russia, strengthening cyber defenses, and addressing weaponized drone warfare that reshapes the modern battlefield. Advanced AI-driven command systems and autonomous technologies are transforming joint operat