The Golden Dome missile defense program's price tag has been revised upward to $185 billion, an increase of $10 billion from the plan announced previously, Space Force General Michael Guetlein said on Tuesday. Guetlein, the program director, disclosed the change at the McAleese Defense Programs Conference held in Arlington, Virginia.
According to Guetlein, the additional $10 billion is allocated to three targeted efforts intended to accelerate space-based capabilities. The funds will support the Advanced Missile Tracking Initiative, the development of a space data network, and the Hypersonic and Ballistic Tracking Space Sensor (HBTSS) - a space-based sensor designed to detect and track hypersonic and ballistic missile threats.
Guetlein described the $185 billion figure as covering the program's "objective architecture," which he characterized as a full-capability system that the Space Force plans to deliver across the next decade.
At the conference, Guetlein also announced that three major defense firms have joined Golden Dome as prime contractors. Lockheed Martin, RTX and Northrop Grumman are now officially part of the initiative, expanding the pool of prime-level firms working on the program.
Guetlein addressed outside estimates that have placed Golden Dome's potential lifetime cost above $1 trillion. He rejected those higher figures, saying they are based on cost models for expensive, self-contained battlefield weapon systems intended for overseas combat. In his view, those models are not applicable to a homeland defense mission that requires a different, and less costly, approach.
Central to Golden Dome is its command-and-control layer. Management of that element has been placed in the hands of a nine-company consortium. The group began as a self-formed coalition of six companies and expanded when the three large contractors joined as prime partners. The consortium briefs Guetlein weekly, providing updates every Thursday evening, and it retains the governance power to vote out underperforming members.
Guetlein singled out space-based interceptors as the most technically and programmatically risky component of Golden Dome. He identified scalability and affordability as the principal hurdles for that element. In his remarks, he noted that directed energy weapons and next-generation artificial intelligence represent the technologies with the most promise to lower cost-per-kill and to expand magazine depth.
Beyond the space-based pieces, Golden Dome will also expand and integrate additional ground-based defenses. Those plans include more interceptor missiles, enhanced sensors and strengthened command-and-control systems. The program will layer these ground systems with space-based elements intended to detect, track and potentially counter threats from orbit. Among the space additions under consideration are advanced satellite networks and orbital weaponry, though some of these options remain under evaluation.
Summary - The program budget has increased to $185 billion to accelerate space-based tracking and sensor capabilities, three major defense contractors have joined as primes, and the program will field a full-capability architecture over the next decade while managing risks associated with space-based interceptors.