The U.S. has unveiled the Golden Dome missile defense system, a $175 billion initiative aiming to protect against foreign missile threats using advanced satellite networks. Drawing comparisons to Israel's Iron Dome and Reagan's Star Wars,

President Trump has proposed building an antimissile “golden dome” around the United States. But do cinematic spectacles actually enhance national security?

The administration’s hallmark defense project will be comprised of four layers — one space-based and responsible for sensing and tracking missile attacks, and three land-based, equipped with interceptors,