WASHINGTON — The U.S. Space Force is taking significant steps in missile defense by awarding contracts for prototype space-based interceptors. This move is part of the Pentagon’s larger initiative known as the Golden Dome, focused on enhancing national security.
A Space Force spokesperson confirmed that multiple contracts have been issued for these prototypes through a streamlined contracting method called Other Transaction Agreements (OTAs). This approach is designed to accelerate the development of new technologies.
While the names of the winning contractors remain undisclosed for security reasons, the chosen companies will collaborate closely with the Space Force to create and demonstrate these interceptors. This efficient process is set to keep pace with the rapidly evolving tech landscape.
The SBI contracts come after a solicitation for boost-phase interceptors, which are designed to target missiles shortly after they launch. This strategy aims to improve early threat detection and neutralization.
Golden Dome, led by Space Force Gen. Michael Guetlein and reporting to Deputy Defense Secretary Steve Feinberg, is envisioned as a comprehensive defense system. It will integrate advanced sensor networks, command and control systems, and both ground and space-based interceptors. The potential to intercept missiles in flight from orbit represents a cutting-edge advancement in defense capabilities.
However, the use of space-based interceptors will depend on the final system design selected by the Pentagon. Boost-phase defense involves hitting a rocket while it’s still burning, making it easier to track. This method requires an extensive satellite network in low-Earth orbit to provide effective coverage.
On the other hand, midcourse defense engages the warhead later in its flight path, allowing more time for response and requiring fewer satellites. This method demands highly advanced sensors to accurately identify real threats from decoys, which presents a different set of challenges.
Recently, Space Systems Command announced plans for kinetic midcourse interceptor concepts, with a pre-solicitation notice issued. A Request for Prototype Proposals is expected around December 7, with awards targeted for February 2026.
Despite the proactive measures, experts are raising concerns about the feasibility of boost-phase defenses. Todd Harrison, a senior fellow at the American Enterprise Institute, pointed out at a recent event that the window for intercepting a missile during its boost phase could be as short as 30 seconds. He highlighted the “absenteeism problem,” where satellites in low-Earth orbit are rarely in position to defend against launches effectively.
Harrison estimated that successfully intercepting a single missile could require approximately 950 interceptors in orbit. In scenarios where multiple missiles are fired, the required number of interceptors could rocket to nearly 9,500, making the costs and logistics overwhelmingly complex. This prompts experts to suggest the Pentagon may need to refine its plans before committing to a full-scale deployment.
As the Space Force continues to pursue these innovations, it is clear that both technological advancements and strategic decisions will play critical roles in shaping the future of U.S. missile defense.
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Golden Dome,SN,Space Systems Command
