Orbital, GenCorp spar over cause of October rocket crash

April 15, 2015 12:05 AM

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Orbital, GenCorp spar over cause of October rocket crash

COLORADO SPRINGS, Colo. (Reuters) - Orbital ATK Inc and engine maker GenCorp Inc on Tuesday offered competing explanations for what caused the Oct. 28 explosion of Orbital's Antares rocket, bound for the International Space Station.

Ronald Grabe, Orbital's executive vice president and president of its flight systems group, told the annual Space Symposium conference that an investigation led by his company had concluded the explosion was caused by excessive wear in the bearings of the GenCorp engine.

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