Bad news for Trump’s Golden Dome: He can’t build it without Canada

The president would need to rely on Ottawa to track Chinese and Russian missiles that could come at the U.S. from over the horizon.

By Jack Detsch, Paul McLeary and Nick Taylor-Vaisey

05/23/2025 05:55 AM EDT

President Donald Trump left out a key detail this week when he outlined his plans for a massive missile and air defense shield over the continent: He can’t build it without Canada.

And it’s not clear America’s northern neighbor wants in.

Canada would need to play a pivotal role in Trump’s signature, potentially $500 billion effort to build the so-called Golden Dome, according to U.S. officials and experts, with Ottawa providing radars and airspace needed to track incoming missiles in the Arctic.

And while Trump insists the country wants to participate, Canadian leaders appear more tepid.
Snip...

https://www.politico.com/news/2025/05/23/trump-canada-golden-dome-00366410