Northrop Grumman Teams with Firefly Aerospace to Develop Antares Rocket Upgrade and New Medium Launch Vehicle

Northrop Grumman’s Antares rocket liftoff from pad 0A at 12:40 p.m. EST from NASA’s Wallops Flight Facility in Virginia, on Feb. 19, 2022. The Cygnus spacecraft, carrying 8,300 pounds of science investigations and cargo, is scheduled to arrive at the space station on Monday, Feb. 21. (Credits: NASA Wallops/Allison Stancil)

CHANDLER, Ariz., Aug. 8, 2022 (Northrop Grumman PR) – Northrop Grumman Corporation (NYSE: NOC) and Firefly Aerospace have joined forces to provide an American-built first-stage upgrade for the Antares rocket and a new medium launch vehicle to serve commercial, civil and national security space launch markets. 

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It’s Showtime for Revamped Antares Booster

Antares vertical on the launch pad on Wallops Island. (Credit: Orbital ATK)
Antares vertical on the launch pad on Wallops Island. (Credit: Orbital ATK)

The Antares booster set to lift off on Sunday evening is a re-engineered version of a launch vehicle that exploded spectacularly after launch nearly two years ago.

The key change is the replacement of two Aerojet Rocketdyne AJ-26 engines in the first stage with RD-181 engines produced by NPO Energomash of Russia. The new engines are powered by liquid oxygen (LOX) and kerosene.

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