The Golden Dome plan is designed to improve homeland defense against ballistic, cruise, and hypersonic missile threats.
against ballistic, cruise, and hypersonic missile threats through a layered system of ground, air, and space-based sensors that detect, track, and intercept incoming projectiles. Hegseth disputes idea munitions stockpiles are depleted during budget hearing The goal is for this system of systems to provide aerial defense for the entire United States, Alaska and Hawaii included.
With few details released publicly about the department’s planned strategy for the Golden Dome, the CBO’s new analysis, released on Tuesday, is based on “the cost of a notional architecture based on the defense systems and capabilities that are called for” in Trump’s executive order titled “ The $1.2 trillion price tag is the cost to build and operate the national missile defense system for 20 years. The CBO’s estimate has the national missile defense system broken into four interceptor layers: one space-based layer, two wide-area surface layers, and a surface-based regional sector layer.
Each would be designed to handle different incoming missiles. The space-based interceptor layer of the CBO’s model is the most expensive component of the national missile defense system, accounting for about 70% of acquisition costs and 60% of the total costs. It also describes the space layer as a constellation of 7,800 satellites capable of engaging a barrage of as many as 10 intercontinental ballistic missiles launched nearly simultaneously.
The first of the two wide-area surface layers, the upper wide-area surface, would consist of two new Ground-Based Midcourse Defense systems, a third that’s already at Fort Greely, Alaska, and each would have a Long-Range Discrimination Radar and 60 interceptors. The lower wide-area surface would consist of four Aegis Ashore sites in the continental U.S., while there would be 35 regional sectors, each with radars, interceptors, and command-and-control facilities capable of operating independently.
Despite the comprehensive air defense system, the CBO report acknowledged that it “could be overwhelmed by a full-scale attack mounted by a peer or near-peer adversary,” adding, “Furthermore, ‘fully engage’ is not the same as ‘fully defeat’ because no defense works perfectly every time. ” The CBO estimate is the latest growing projection for its cost. Trump said last May that it would cost $175 billion, while Golden Dome Director Gen.
Michael Guetlein said last month that the latest projection is“ stated cost appears to cover a shorter time frame than CBO’s analysis and may reflect a different scope of activities and budget categories. Even so, that stated cost is far lower than CBO’s estimate for a notional NMD architecture consistent with the ‘Iron Dome’ executive order,” the CBO report said.
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