A Congressional Budget Office report estimates Donald Trump's proposed 'Golden Dome' space-based missile defense system could cost $1.2 trillion over 20 years. This figure is significantly higher than initial projections.

<img alt="U.S. President Donald Trump, wearing a yellow tie." height="349" src="https://i.cbc.ca/ais/fa81bc3f-6e3a-4ec4-887b-f6afa505d7a8,1778614667176/full/max/0/default.jpg?im=Crop%2Crect%3D%280%2C58%2C3092%2C1739%29%3BResize%3D%28620%29" title="U.S. President Donald Trump talks with reporters as he departs the White House for travel to Beijing, Tuesday, May 12, 2026, in Washington, to meet with China&apos;s President Xi Jinping. (AP Photo/Jacquelyn Martin)" width="620" /><p>U.S. President Don...