President Donald Trump announced details Tuesday about his "Golden Dome" missile defense shield that is expected to cost $175 billion and be "fully operational" by the end of his term.

China has raised "grave" concerns over President Donald Trump's proposed "Golden Dome" anti-missile defense system, warning that it will trigger an arms race in space. "It will exacerbate the risk of turning outer space into a battlefield and starting an arms race,

President Donald Trump announced construction will begin soon on a "Golden Dome," a new missile defense system to protect the US from foreign attacks.