Satellite and rocket builder Orbital Sciences Corp. on July 19 said its Antares rocket had encountered six or seven weeks of developmental delays and will not conduct its inaugural demonstration flight until late September or early October, with a second launch — this time carrying the Cygnus cargo vehicle to the international space station— likely in mid-December. Dulles, Va.-based Orbital also said it spent $2.1 million in the three months endingjune 30 on legal and other professional services fees related to a major acquisition that ultimately was not consummated because it was too expensive.
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