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Aerojet, Orbital and NASA Hot Fire Aerojet’s AJ26 Flight Engine for Taurus® II Space Launch Vehicle

SACRAMENTO, Calif. Feb. 8, 2011

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Pete Cova


Aerojet originally purchased approximately 40 NK-33 engines in the mid-1990s and, under contract with Orbital, the company has modified the engines specifically for the Taurus II medium-class launch vehicle. Throughout the years, more than 200 NK-33 engines were built and 575 engine tests conducted, totaling more than 100,000 seconds of test time. Aerojet has been developing design modifications to the NK-33 since that time to ensure that the AJ26 is suitable for commercial launchers.

About Taurus II:

The Taurus II medium-class launch vehicle is being developed to boost payloads into a variety of low-Earth and geosynchronous transfer orbits and to Earth escape trajectories. Taurus II incorporates proven technologies from Orbital’s Pegasus®, Taurus and Minotaur rockets, and is supported by a "best-in-class" network of suppliers from the U.S. and around the world.  

The Taurus II rocket also will be available to civil government and U.S. military customers for dedicated launch services for medium-class scientific and national security satellites. Taurus II will be capable of supporting mid-inclination and polar orbiting spacecraft weighing 10,000 lbs. and 5,500 lbs., respectively.

About Aerojet:

SOURCE Aerojet

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