Rendering of missile-tracking satellites in low Earth orbit.
Rendering of missile-tracking satellites in low Earth orbit.

The Space Development Agency on Sept. 5 released a solicitation for 54 satellites equipped with infrared sensors capable of tracking hypersonic missiles in all phases of flight.

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Sandra Erwin writes about military space programs, policy, technology and the industry that supports this sector. She has covered the military, the Pentagon, Congress and the defense industry for nearly two decades as editor of NDIA’s National Defense...