Canadian Prime Minister Mark Carney says his government is talking to the U.S. about joining President Donald Trump’s future Golden Dome missile defense program.

The Kremlin indicated on Wednesday that President Donald Trump's "Golden Dome" missile shield plans could force the resumption in the foreseeable future of contacts between Moscow and Washington about nuclear arms control.

Chuck DeVore, expert at Texas Public Policy Foundation, argued a decreased cost to orbit made it less expensive to defend against nuclear missiles than to build a bigger nuclear arsenal, with Golden Dome changing the game of homeland defenses.

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,