The Congressional Budget Office is estimating a national missile defense system aligned with President Trump's original Iron Dome for America executive order would cost roughly $1.2 trillion over 20 years -- a price tag that sharply exceeds the Pentagon's public projections for the Golden Dome for America initiative and intensifies questions about what, exactly, the Defense Department intends to build. In a new report, CBO concludes a layered homeland defense architecture capable of defending the United States against...