Defense Secretary Ash Carter testifies on the Defense Department's proposed fiscal year 2017 budget before the House Armed Services Committee in Washington, D.C., March 22, 2016. DoD photo by Air Force Senior Master Sgt. Adrian Cadiz

The Pentagon will spend $2 billion on space control measures this year to counter emerging threats to its national security satellites, U.S. Defense Secretary Ash Carter said March 22.

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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...