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The new version of Antares, called the Antares 330, will feature a first stage using seven Miranda engines under development by Firefly Aerospace.
Northrop Grumman will provide vehicle integration and launch pad operations support for the Antares 330.
Northrop Grumman completed first stages for two additional Antares launches, the first of which is scheduled for October 2022.
The Antares 330 performance upgrade will enable Northrop Grumman to continue supporting its current contracts while planning for future mission capabilities.
Northrop Grumman Corporation (NYSE: NOC) and Firefly Aerospace have partnered to provide an American-built first-stage upgrade for the Antares rocket and to develop a new medium-class launch vehicle for commercial, civil, and national security space launch markets.
The Antares 330 will be able to place up to 10,500 kg into the insertion orbit used for ISS missions, compared to 8,100 kg for the current Antares.
A Northrop Grumman Antares rocket launched the NG-17 Cygnus on 2022-02-19, and the spacecraft arrived at the International Space Station two days later.
The Antares first stage uses an RD-181 engine manufactured by Russia and a first stage manufactured by Ukraine’s Yuzhnoye/Yuzhmash.
The Antares rocket’s first stage is produced in Ukraine and the vehicle is powered by the Russian RD-181 engine.
After an Antares launch failure in 2014, Orbital Sciences replaced the original AJ26 engines with RD-181 engines and launched two Cygnus missions on United Launch Alliance Atlas 5 rockets.
The October 2014 failure of an Orbital ATK Antares rocket affected Ukraine because the rocket’s first stage was designed and built by Ukrainian firms Yuzhnoye and Yuzhmash.
The Cygnus cargo spacecraft that arrived on the latest Antares launch was planned to test reboosting the International Space Station’s orbit in April 2022.
Northrop Grumman’s Antares rocket uses RD-181 engines manufactured in Russia and a first stage built by Ukraine’s Yuzhnoye/Yuzhmash.
Dmitry Rogozin decided to cut off the supply of RD-181 engines used in Northrop Grumman’s Antares rocket, which is used to launch cargo resupply missions to the International Space Station.
A Northrop Grumman Antares 230+ rocket launched the NG-17 mission from Pad 0A at the Mid-Atlantic Regional Spaceport at Wallops Island, Virginia on 2022-02-19 with a Cygnus cargo spacecraft.
Antares first stages are built in Ukraine by Yuzhnoye State Design Office and Yuzhmash Machine Building Plant and are powered by RD-181 engines from Russia’s NPO Energomash.
A 2014 Antares launch failure led Orbital ATK, later acquired by Northrop Grumman, to use United Launch Alliance’s Atlas V rocket for two Cygnus missions in 2015 and 2016.
Antares regularly launches Cygnus cargo spacecraft to the International Space Station under NASA’s Commercial Resupply Services program.
A Northrop Grumman Antares rocket carrying a Cygnus resupply spacecraft launched from Pad-0A of the Mid-Atlantic Regional Spaceport at NASA’s Wallops Flight Facility on Tuesday, 2021-08-10.
Antares is set to launch on 2021-08-10 at 5:56 p.m. EDT from Mid-Atlantic Regional Spaceport 0A at NASA’s Wallops Flight Facility in Virginia.