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Europe’s first Ariane 6 flight achieved most of its goals, but ended prematurely

Europe's first Ariane 6 rocket lifts off from a new launch pad in Kourou, French Guiana.

Enlarge / Europe's first Ariane 6 rocket lifts off from a new launch pad in Kourou, French Guiana. (credit: Jody Amiet/AFP via Getty Images)

The first European Ariane 6 rocket fired off its launch pad at the edge of the Amazon rainforest and climbed into orbit Tuesday, an inaugural flight a decade in the making that restored Europe's ability to put its own large satellites into space.

The debut of the Ariane 6 rocket came almost exactly one year after Europe's previous workhorse rocket, the Ariane 5, flew for the final time. Running four years late, the Ariane 6 is set to become Europe's next flagship launcher. But delays in its development, combined with other factors, forced European governments to pay SpaceX to deliver several payloads to orbit.

With Tuesday's test flight, European space officials hope those days are behind them. The European Space Agency paid more than $4 billion to get the Ariane 6 rocket to this point, with the goal of replacing the Ariane 5 with a cheaper, more capable launcher. There are still pressing questions about Ariane 6's cost per launch, and whether the rocket will ever be able to meet its price target and compete with SpaceX and other companies in the commercial market.

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Europe’s long-delayed flagship rocket is about to launch for the first time

The first Ariane 6 rocket is pictured inside the mobile gantry on its launch pad in Kourou, French Guiana. The gantry will wheel away from the rocket during the countdown Tuesday.

Enlarge / The first Ariane 6 rocket is pictured inside the mobile gantry on its launch pad in Kourou, French Guiana. The gantry will wheel away from the rocket during the countdown Tuesday. (credit: ESA-S. Corvaja)

Europe's Ariane 6 rocket is finally ready to fly, four years late but vital as ever for European governments backing the more than $4 billion project.

Set for liftoff from French Guiana, the new rocket will be Europe's flagship launcher for the next decade, providing rides to space for European science probes, navigation satellites, and military payloads. Ariane 6 also has a toehold in the commercial market, with a contract for 18 launches to deliver satellites to orbit for Amazon's Project Kuiper broadband network.

The first Ariane 6 rocket has a four-hour launch window opening at 2 pm EDT (18:00 UTC) Tuesday to depart the European-run Guiana Space Center in South America.

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Rocket Report: Firefly delivers for NASA; Polaris Dawn launching this month

Four kerosene-fueled Reaver engines power Firefly's Alpha rocket off the pad at Vandenberg Space Force Base, California.

Enlarge / Four kerosene-fueled Reaver engines power Firefly's Alpha rocket off the pad at Vandenberg Space Force Base, California. (credit: Firefly Aerospace)

Welcome to Edition 7.01 of the Rocket Report! We're compiling this week's report a day later than usual due to the Independence Day holiday. Ars is beginning its seventh year publishing this weekly roundup of rocket news, and there's a lot of it this week despite the holiday here in the United States. Worldwide, there were 122 launches that flew into Earth orbit or beyond in the first half of 2024, up from 91 in the same period last year.

As always, we welcome reader submissions, and if you don't want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets as well as a quick look ahead at the next three launches on the calendar.

Firefly launches its fifth Alpha flight. Firefly Aerospace placed eight CubeSats into orbit on a mission funded by NASA on the first flight of the company’s Alpha rocket since an upper stage malfunction more than half a year ago, Space News reports. The two-stage Alpha rocket lifted off from Vandenberg Space Force Base in California late Wednesday, two days after an issue with ground equipment aborted liftoff just before engine ignition. The eight CubeSats come from NASA centers and universities for a range of educational, research, and technology demonstration missions. This was the fifth flight of Firefly's Alpha rocket, capable of placing about a metric ton of payload into low-Earth orbit.

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Mere days before its debut, the Ariane 6 rocket loses a key customer to SpaceX

The flight hardware core stage for Europe’s new rocket, Ariane 6, is moved onto the launch pad for the first time. A launch is due to occur on July 9, 2024.

Enlarge / The flight hardware core stage for Europe’s new rocket, Ariane 6, is moved onto the launch pad for the first time. A launch is due to occur on July 9, 2024. (credit: ESA-M. Pédoussaut)

In a shocking announcement this week, the European intergovernmental organization responsible for launching and operating the continent's weather satellites has pulled its next mission off a future launch of Europe's new Ariane 6 rocket. Instead, the valuable MTG-S1 satellite will now reach geostationary orbit on SpaceX's Falcon 9 rocket in 2025.

“This decision was driven by exceptional circumstances” said Phil Evans, director general of the organization Eumetsat. “It does not compromise our standard policy of supporting European partners, and we look forward to a successful SpaceX launch for this masterpiece of European technology.”

The decision, taken at a council meeting of Eumetsat's 30 member nations on Wednesday and Thursday, comes less than two weeks before the debut of the Ariane 6 rocket, scheduled for July 9.

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Some European launch officials still have their heads stuck in the sand

The first stage of Ariane 6 rocket Europe's Spaceport in Kourou in the French overseas department of Guiana, on March 26, 2024.

Enlarge / The first stage of Ariane 6 rocket Europe's Spaceport in Kourou in the French overseas department of Guiana, on March 26, 2024. (credit: LUDOVIC MARIN/AFP via Getty Images)

There was a panel discussion at a space conference in Singapore 11 years ago that has since become legendary in certain corners of the space industry for what it reveals about European attitudes toward upstart SpaceX.

The panel included representatives from a handful of launch enterprises, including Europe-based Arianespace, and the US launch company SpaceX. At one point during the discussion, the host asked the Arianespace representative—its chief of sales in Southeast Asia, Richard Bowles—how the institutional European company would respond to SpaceX's promise of lower launch costs and reuse with the Falcon 9 rocket.

"What I'm discovering in the market is that SpaceX primarily seems to be selling a dream, which is good. We should all dream," Bowles replied. "I think a $5 million launch or a $15 million launch is a bit of a dream. Personally, I think reusability is a dream. How am I going to respond to a dream? My answer to respond to a dream is, first of all, you don't wake people up."

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