Golden Dome Explained: Ambition, Reality, Risk

In January 2025, US President Donald Trump signed Executive Order 14186, directing the development of a sweeping new missile defence system called Golden Dome. While still in the early stages, the plan envisions a vast, multi-layered shield extending from Earth into space, capable of intercepting everything from drones to nuclear missiles.

This fact sheet breaks down what Golden Dome is, how it would work, and why it raises serious questions about global security, space governance, and nuclear stability.