WASHINGTON — Orbital Sciences Corp. will buy at least one Atlas 5 rocket from United Launch Alliance to resume cargo deliveries to the international space station for NASA in the fourth quarter of 2015 while it works to return its Antares rocket to flight after an October failure, Orbital said in a Dec. 9 press release.

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Dan Leone is a SpaceNews staff writer, covering NASA, NOAA and a growing number of entrepreneurial space companies. He earned a bachelor’s degree in public communications from the American University in Washington.