Spacecraft Manufacturer ‘Likely’ to Stop Using Aerojet-Refurbished Engines

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Orbital Sciences Corp., the manufacturer of the Antares rocket that exploded during a recent launch, says it will “likely” stop using AJ-26 rocket engines from Aerojet Rocketdyne.

The rocket was “deliberately” detonated after technicians discovered an apparent problem.

The AJ-26 engines on the rocket were 40 years old and refurbished by the Rancho Cordova-based Aerojet Rocketdyne.

Orbital said the issue with the Soviet-era rockets was a turbopump-related failure.

The Virginia-based firm said upgraded Antares launches will resume in Wallops Island in 2016.

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