US Space Force wants space-based missile interceptors for Golden Dome ready by 2028

space.com May 1, 2026

US Space Force wants space-based missile interceptors for Golden Dome ready by 2028

Curated by Shubham · TechCapsules · May 1, 2026

AI-summarised brief · reviewed before publication

The United States Space Force has established the Space-Based Interceptor (SBI) program to develop a constellation of spacecraft that can defend the country against hypersonic threats. The program aims to demonstrate an initial capability by 2028 as part of the Golden Dome defense system. The SBI program will develop space-based interceptors capable of engaging hypersonic vehicles during their boost, midcourse, and glide phases. The system is estimated to cost between $175 billion and $3.6 trillion.

💡 Why It Matters

· Space-based interceptors would mark the most significant militarization of orbit since the Cold War — and unlike surveillance satellites, these are explicitly designed to destroy things.
· China and Russia have both warned that deploying weapons in space crosses a line they'd feel compelled to match, which means Golden Dome's cost estimate may not include the price of the arms race it triggers.

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