How US plans to stop a hypersonic missile as Trump sets out 'Iron Dome' blueprint
The Ground-Based Midcourse Defence (GMD) system, widely regarded as the backbone of US missile defence, is designed to intercept intercontinental ballistic missiles (ICBMs) with a range of over 1,500 miles. However, as China, Russia, and Iran develop more advanced weapons, its ability to counter hypersonic threats remains uncertain.