The work includes predicting problems and developing solutions for the GPS constellation, developing performance metrics and supporting multiple GPS systems (GPS 2F, above) on orbit and on the ground.

The GPS 2F-5 satellite launched Feb. 20 from Cape Canaveral Air Force Station, Fla.

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Mike Gruss is the chief content and strategy officer at SpaceNews. From 2013 to 2016 he was a senior reporter at SpaceNews covering military space. Previously, he was editor in chief of Sightline Media Group and worked as a reporter and columnist for...