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The Pentagon has adjusted its cost and timeline projections for the Golden Dome missile defense system.

Some shit you should know before you dig in: If you’re unaware, the Golden Dome missile defense system is an initiative launched by President Trump to create a nationwide, layered defense shield designed to protect the US from ballistic, hypersonic, and cruise missile threats. It is intended to function as an integrated network that combines ground-based interceptors, air-based systems, and a large constellation of space-based satellites equipped with advanced sensors to detect, track, and help neutralize incoming missiles. The system would operate by continuously monitoring for launches, rapidly sharing data through a centralized command-and-control network, and coordinating interceptors or other countermeasures (potentially including space-based or directed-energy technologies) to destroy threats before they reach their targets.

What’s going on now: In a notable development, General Michael Guetlein of the US Space Force announced that the estimated cost of the Golden Dome system has climbed to $185 billion, a $10 billion increase from the Pentagon’s prior $175 billion projection and a much larger jump from the original $125 billion figure proposed earlier. The increase is largely tied to a decision to accelerate key space-based capabilities, with officials saying that additional funding is being directed toward expanding satellite infrastructure and improving tracking and data transport systems.

The program’s timeline has also shifted. While earlier expectations and political messaging pointed toward a more complete capability by around 2028, Guetlein clarified that this date reflects only a demonstration of initial operational capability, not full deployment. The more realistic timeline for delivering the full “objective architecture” of Golden Dome now stretches to 2035.

Guetlein also pushed back against outside estimates that place the program’s cost far higher, arguing those projections are based on incorrect assumptions about the system’s design.