AR1 – Spaceflight Now

Aerojet Rocketdyne, Firefly to collaborate on propulsion

October 28, 2019 Stephen Clark

Firefly Aerospace and Aerojet Rocketdyne have announced a strategic partnership to collaborate on rocket propulsion, an agreement that could lead to Firefly’s use of Aerojet’s AR1 engine in a new medium-lift launcher.

Bezos rocket engine selected for new Vulcan rocket

September 28, 2018 William Harwood

Ending months of speculation, Blue Origin, a company owned by Amazon-founder Jeff Bezos, has won a milestone contract to provide first-stage rocket engines for a powerful new booster being designed by United Launch Alliance to replace its current fleet of Atlas and Delta launchers, the companies announced Thursday.

AR1 engine clears milestone in step toward ending U.S. reliance on Russian propulsion

May 19, 2017 Stephen Clark

A rocket engine that could power United Launch Alliance’s next-generation rocket has passed a major design review, clearing the way for full-scale hotfire testing starting next year and certification for test flights in 2019, according to Aerojet Rocketdyne, the powerplant’s developer.

ULA chief says Blue Origin in driver’s seat for Vulcan engine deal

April 18, 2017 Stephen Clark

A full-scale BE-4 engine developed by Blue Origin, the space company founded by Amazon.com’s Jeff Bezos, is installed on a test stand in West Texas for a series of hotfire tests that United Launch Alliance will closely examine before settling on the reusable methane-fueled engine for its new-generation Vulcan rocket.

Q&A with Tory Bruno, president and chief executive of ULA

April 14, 2016 Stephen Clark

United Launch Alliance chief executive Tory Bruno spoke with Spaceflight Now’s Stephen Clark at the 32nd Space Symposium in Colorado Springs.

ULA’s candidates to replace RD-180 engine win Air Force funding

March 7, 2016 Stephen Clark

The Pentagon has awarded at least $162 million in contracts to Aerojet Rocketdyne and United Launch Alliance for development of the AR1 and BE-4 rocket engines, candidates to power the first stage of a next-generation rocket and replace the Russian-made engine currently flying on the Atlas 5 launcher.

ULA selects launch pads for new Vulcan rocket

October 12, 2015 Stephen Clark

United Launch Alliance’s next-generation Vulcan rocket will lift off from the company’s existing Atlas 5 launch facilities in Florida and California, according to the company’s Vulcan program manager.

Boeing rejects bid to buy ULA as engine race heats up

September 17, 2015 Stephen Clark

Boeing said Wednesday it has turned down an offer from Aerojet Rocketdyne to buy United Launch Alliance, a Boeing-Lockheed Martin joint venture that operates the Atlas and Delta rocket fleets.

Aerojet Rocketdyne touts AR1 engine for Atlas 5

October 1, 2014 William Harwood

Aerojet Rocketdyne is pressing ahead with development of a powerful new rocket engine that company officials believe will be an attractive alternative to the Russian-built RD-180 engine that now powers the first stage of United Launch Alliance’s workhorse Atlas 5 booster.