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

One of the four layers of the Golden Dome missile defense system will be a space-based sensing and targeting layer for missile warning, tracking.

The Trump administration's proposed Golden Dome defense shield will consist of four integrated layers, one space-based and three on land, and 11 short-range missile batteries, according to a U.S. government presentation as reported by Reuters.