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All previous Cygnus missions launched on Northrop Grumman’s Antares launch vehicle except two missions that launched on United Launch Alliance’s Atlas V after an Antares launch failure in 2014.
Northrop Grumman is working with Firefly Aerospace to replace the Ukrainian-built Antares first stage powered by Russian engines with a stage developed by Firefly using its own engines.
Firefly is developing a first stage for Northrop Grumman’s Antares 330 that will also be used on a new launch vehicle called MLV.
Antares 330 will be able to launch more than 10,000 kg to the International Space Station.
The Antares 330 will replace the Ukrainian-built first stage previously used on Antares that used Russian engines.
Once qualified, seven Miranda engines, each capable of producing 230,000 lbf, will power the first stage of Antares 330 and the Medium Launch Vehicle for a combined thrust of approximately 1.6 million lbf.
Firefly Aerospace completed the first hot fire test for its Miranda engine that will power the first stage of Northrop Grumman’s Antares 330 and the Medium Launch Vehicle the two companies are co-developing.
Firefly Aerospace is designing, manufacturing, and testing the first stage structures for Antares 330.
Antares 330 will be able to launch more than 10,000 kg to the International Space Station.
The Medium Launch Vehicle, as the evolutionary successor to Antares, will first launch in late 2025 and can carry more than 16,000 kg to low Earth orbit with a 5-meter class payload fairing that can be customized based on customer needs.
Firefly and Northrop Grumman are upgrading the first stage of Antares in parallel with developing the Medium Launch Vehicle.
Firefly Aerospace completed the first hot fire test for its Miranda engine that will power the first stage of Northrop Grumman’s Antares 330 and the Medium Launch Vehicle co-developed by Firefly and Northrop Grumman.
On 2023-11-28, Firefly Aerospace completed the first hot fire test for its Miranda engine that will power the first stage of Northrop Grumman’s Antares 330 and the Medium Launch Vehicle the companies are co-developing.
Firefly is designing, manufacturing, and testing the first stage structures for Antares 330 as well as the structures and fluids systems for both stages of the Medium Launch Vehicle.
Firefly is designing, manufacturing, and testing the first stage structures for Antares 330.
Antares 330 will be able to launch more than 10,000 kg to the International Space Station and its first flight is scheduled for mid-2025.
Once qualified, seven Miranda engines, each capable of producing 230,000 lbf, will provide a total of 1.6 million lbf to power the first stage of Antares 330 and the Medium Launch Vehicle.
Once qualified, seven Miranda engines, each capable of producing 230,000 lbf, will power the first stage of Antares 330 and the Medium Launch Vehicle for a combined total thrust of 1.6 million lbf.
Northrop Grumman plans to retire the Antares 230+ rocket and replace it with a new Antares 330 rocket in mid-2025.
NG-19 is the 20th Cygnus launched to date, including one Cygnus lost in an Antares launch failure in October 2014.