The Pentagon is positioning a high-tech artillery round originally engineered for offense as a cornerstone of its Golden Dome initiative, adapting a novel cannon technology for point defense as part of a sprawling new architecture aimed at shielding U.S. airbases, cities and critical infrastructure from missile and drone attacks. According to a late-April draft of the Defense Department’s plan to implement congressional appropriations guidance for executing the fiscal year 2025 continuing resolution spending law, the Hypervelocity Gun Weapon System is...