Afghanistan, Aug. 13 -- The Pentagon's Golden Dome missile-defense plan features one space layer and three land-based layers with 11 batteries nationwide, estimated at $175 billion, aiming for deployment by 2028.

Reuters has revealed new details from official documents outlining the Trump administration's ambitious plan to develop a nationwide missile defense network called the "Golden Dome." Inspired by Israel's Iron Dome, the system is designed for America's larger geography and diverse missile threats, making it more complex and wide-ranging.

The proposed system would feature four defensive layers: a space-based component for early detection and interception, and three ground-based layers combining interceptors, phased-array radars, an...