Report: Orbital faces risks in resuming space station runs
An unmanned Orbital Sciences Corp.’s Antares rocket headed for the International Space Station lifts off shortly before exploding in Virginia last October.
One of NASA’s two commercial suppliers, Virginia-based Orbital, faces an uphill struggle in resuming deliveries to the International Space Station, according to a government report issued Thursday.
The space agency’s inspector general office said the company’s upcoming flight plan contains significant risks, as its attempts to recover from last October’s launch explosion. Orbital’s Antares rocket failed seconds after liftoff from Virginia, destroying the space station goods and damaging the launch complex. It was Orbital’s fourth supply mission, including a 2013 test flight.
Orbital remains grounded, as does SpaceX, NASA’s other commercial shipper, following a failed launch from Cape Canaveral in June. It was the Hawthorne-based SpaceX’s eighth shipment for NASA. Russia and Japan also send up supplies.
Orbital is working to get cargo to the space station as early as December by putting it on another company’s rocket in Cape Canaveral. At the same time, Orbital — which merged with ATK earlier this year — hopes to resume Antares flights from Virginia next year with new engines.
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According to the report, it may be difficult to meet those goals. But Orbital spokesman Barron Beneski said the company is right on schedule for the launches. The company is confident of its path forward, he said, and working with NASA to fulfill its contract.
The report voiced concern about the fact that Orbital’s Cygnus capsule has never flown before on United Launch Alliance’s Atlas V rocket, the kind that will be used in December and again in March to launch space station supplies. In addition, the report noted the tight schedule for outfitting the Antares with new engines; the company hopes to resume Antares launches in mid-2016.
Both the old engines — believed to be the source of the accident — and new engines for the Antares are Russian made.
Beneski pointed out that Orbital has deep experience in putting its satellites on a variety of rockets. “Not like we haven’t done it before. We have,” he said.
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