President Trump speaks alongside Secretary of Defense Pete Hegseth in the Oval Office on May 20, 2025, announcing plans for the "Golden Dome," a national ballistic and cruise missile defense system.

Scientists suggest the missile defense plan will face big hurdles, especially given its projected timeline and cost.

The concept behind the missile defence system was that it would provide a way of effectively making nuclear weapons obsolete.

A key part of the new missile defense system, which Trump described as "Golden Dome" in a speech earlier this year, will likely be space-based interceptors, according to experts and an executive ...

Experts are divided whether a new missile defense system for the U.S., inspired by Israel's Iron Dome, would be worth the cost. Trump wants a Golden Dome over America. Here's what it would take ...

(SOUNDBITE OF ARCHIVED RECORDING) PRESIDENT DONALD TRUMP: I'm asking Congress to fund a state-of-the-art Golden Dome missile defense shield to protect our homeland... BRUMFIEL: Trump borrowed the ...

(SOUNDBITE OF ARCHIVED RECORDING) PRESIDENT DONALD TRUMP: I'm asking Congress to fund a state-of-the-art Golden Dome missile defense shield to protect our homeland... BRUMFIEL: Trump borrowed the name ...