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, radars and potentially lasers. The plans also include 11 short-range missile batteries across the continental United States, Hawaii and Alaska.

The Trump administration's flagship Golden Dome missile defense system will include four layers -- one satellite-based and three on land -- with 11 short-range batteries located across the continental U.