National missile defense is still impossible—and expensive.

Second, the Cold War ended, and so did the immediate threat of global thermonuclear war. The need for the Strategic Defense Initiative simply evaporated. Fast forward more than 30 years.

Modeled partly on Ronald Reagan's failed Strategic Defense Initiative — known then as "Star Wars" — the Golden Dome echoes Cold War-era visions of layered missile defense from orbit.

Mr. Trump estimates that the Golden Dome will take three years to complete, cost about $175 billion, and be “very close to 100%” effective. On each of these points, experts express skepticism.

He said Golden Dome will be fully operational before the end of his term in three years and will provide close to 100% protection.

On Jan. 27, U.S. President Donald Trump issued an executive order requiring that the military develop a “missile defense shield” to protect the U.S. homeland — now dubbed “Golden Dome.” While any ...

Modeled partly on Ronald Reagan's failed Strategic Defense Initiative — known then as "Star Wars" — the Golden Dome echoes Cold War-era visions of layered missile defense from orbit.

President Donald Trump makes an announcement regarding the Golden Dome missile defense shield with Defense Secretary Pete Hegseth in the Oval Office of the White House in Washington, D.C., May 20 ...

That’s not destabilizing—that’s deterrence. The Trump administration’s recent unveiling of the Golden Dome, a sweeping missile defense architecture, has invoked swift condemnation from China.

Trump has ordered work to begin on the "Golden Dome," a satellite-based missile shield. Beijing has said it's "gravely concerned" about the project, which draws inspiration from the Strategic ...