Geost, a supplier of optical sensor payloads for military satellites, announced Sept. 11 it won a contract to produce eight payloads for missile-tracking satellites that Northrop Grumman is building for the U.S. Space Development Agency.

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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...