CBO Estimates US Golden Dome Missile Defense Could Cost $1.2 Trillion Over 20 Years
Summary: The US Congressional Budget Office (CBO) released an analysis estimating that the Trump administration's proposed "Golden Dome" national missile defense system could cost up to $1.2 trillion over 20 years — far exceeding the administration's estimate of $175 billion. Space-based interceptors would account for approximately 60% of total project costs.