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Space Force Retires Final Two Satellites From Cold War Missile-Warning Program
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Fusion42 · 2 October 2026 · Fusion42 review
The US Space Force retired the final two Defense Support Program satellites, ending a Cold War-era missile-warning program that started in 1970. The Space Based Infrared System and upcoming Next-Generation Overhead Persistent Infrared satellites now handle missile detection with more advanced infrared sensors.
This Wire brief sits within Fusion42's coverage of Defense Tech.
◆ ◆ The Wire takeaway
The retirement of Cold War DSP satellites signals a clear operational shift to newer infrared systems. If you work in defence tech, prepare for a wave of demand around next-gen satellite launch services and ground system upgrades.
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1 source · 2 Oct 2026
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