Artist’s concept of the NTS-1, NTS-2 and NTS-3 satellites. NTS-3, right, is the U.S. military’s first Navigation Technology Satellite in 40 years.

The Air Force Research Laboratory in 2022 will launch an experimental PNT satellite called NTS-3, short for Navigation Technology Satellite 3.

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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...