It would be the equivalent of us going back 1,000 years and having to start from scratch." In response to these hypothetical - but experts say quite possible - threats, US President Donald Trump has set his eyes on a "next generation" missile shield: the Golden Dome.

A new defense initiative aimed at intercepting missiles before they can hit the U.S. has been announced, but how will this Golden Dome work?

President Donald Trump has unveiled his plan to build a "Golden Dome" missile defense system to shield the US from attack, claiming it will be ready by the end of his time in office. That is, of course,