OA-6 launch
An Atlas 5 carrying a Cygnus cargo spacecraft lifts off from Cape Canaveral, Florida, March 22.

United Launch Alliance announced April 8 that it has indefinitely delayed the next launch of its Atlas 5 rocket after the most recent launch of a Cygnus cargo spacecraft included a premature shutdown of the first stage engine.

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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...