A massive U.S. government spending bill, released Dec. 16, effectively ends a ban on the Russian rocket engine that powers ULA’s Atlas 5 rocket.

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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...