A United Launch Alliance Delta 4 rocket launches a Global Positioning System satellite for the U.S. Air Force. Credit: ULA/Ben Cooper

As more nations seek to explore the vast expanse of space, there is increasing competition and congestion in orbit, according to two new reports released April 14.

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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...