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CBO Price Tag for 'Golden Dome' Missile Defense Soars to $1.2 Trillion

New budget projections reveal massive cost hike for Trump's ambitious shield against aerial threats.

Foreign PolicyPublished May 13, 2026 at 1:59 AMProcessed May 14, 2026 at 6:03 PM
President Donald Trump speaks in the Oval Office at the White House on May 20, 2025 in Washington, DC, presenting a posted for "Golden Dome," a national ballistic and cruise missile defense system.

The ambitious 'Golden Dome' missile defense system, championed by President Trump to secure the nation against next-generation aerial threats, faces a staggering new price tag.

According to a report from the nonpartisan Congressional Budget Office (CBO), the total cost to develop, deploy, and operate the system over the next twenty years is projected to hit $1.2 trillion. This figure dwarfs the initial $175 billion estimate previously discussed by the administration.

The CBO report highlights that acquisition costs alone for the interceptor layers and space-based tracking systems will exceed $1 trillion.

While the administration has emphasized the necessity of defending the U.S. against catastrophic missile attacks from peer adversaries, the CBO warned that the system could still be overwhelmed by a full-scale assault from nations like Russia or China.

Critics, including Democrat Senator Jeff Merkley, have seized on the report to attack the project as a windfall for defense contractors. Despite the fiscal concerns, the administration maintains that the system is essential to counter the increasingly complex and lethal weapons technology currently being developed by hostile foreign powers.

Contracts for prototype development have already been awarded to industry leaders like SpaceX and Lockheed Martin as the Pentagon works to address the urgent need for a modernized national defense shield.

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foreign-policynational-securitydefense-spendingtrump-administrationcbo

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