Trump Unveils Plans for “Golden Dome” Missile Defense System

On Tuesday, Donald Trump announced that his administration will move forward with developing a new missile defense system dubbed the “Golden Dome.” In the Oval Office with U.S. Defense Secretary Pete Hegses by his side, Trump expressed hope that the project would be operational before the end of his term. He mentioned that Republicans have agreed to allocate $25 billion for its initial funding and expressed interest in having Canada participate.

Trump stated, “When fully constructed, the Golden Dome can intercept missiles launched from anywhere in the world, including from space.” However, it’s still unclear what the Golden Dome will actually look like, as Trump has yet to choose from the three options proposed by the Department of Defense. Recent drafts from Pentagon officials are under consideration.

All three options are expected to combine the existing ground-based missile interceptors used by the U.S. military with advanced, cutting-edge systems and space-related defensive measures. The choice that Trump makes will influence both the timeline and overall cost of the project. The initial $25 billion is only meant to cover early development; estimates suggest that the total expenditure could surpass $540 billion over the next two decades, according to the Congressional Budget Office.

Later in the evening, Trump mentioned that he had defined the project’s “architecture” and projected the overall cost to be around $175 billion, although he did not provide specific details. General Michael Guetrein from the U.S. Space Force will take charge of implementing the project, a move seen as promoting a highly capable four-star general experienced in missile defense.

The project is expected to engage major defense contractors, including Elon Musk’s SpaceX, which specializes in rocket manufacturing and military satellite launches. Additionally, it will rely on companies producing the current weaponry utilized by the U.S. military, emphasizing existing systems like THAAD, Ejis land systems from Lockheed Martin, and ground-air missiles from Raytheon.

The Golden Dome project appears to be driven by the belief that the U.S. needs a missile defense capability to monitor and neutralize threats from its adversaries—like China, Russia, and North Korea—similar to Israel’s “Iron Dome.” Shortly after taking office, Trump signed an executive order mandating the Department of Defense to develop a strategy for a “next-generation missile defense shield.” This directive arose from growing concerns within the Department about potential long-range missile attacks from strategic enemies. Recently, the Defense Intelligence Agency reported that China possesses approximately 400 intercontinental ballistic missiles, while Russia has about 350 and North Korea only a few.

Initially, there had been proposals for space-based missile defense systems named Moonshot Plus; these were later renamed by Hegses to Silver, Gold, and Platinum Dome options, reflecting a three-layered approach according to former Pentagon officials.