WASHINGTON — The space infrastructure company Sierra Space announced Oct. 3 it has secured backing from the U.S. Air Force Research Laboratory (AFRL) to advance its “Ghost” spacecraft, a system designed to deliver cargo from space to any location on Earth in under 90 minutes.

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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...