Commercial space

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Fire destroys Starship on its seventh test flight, raining debris from space

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This launch debuted a more advanced, slightly taller version of Starship, known as Version 2 or Block 2, with larger propellant tanks, a new avionics system, and redesigned feed lines flowing methane and liquid oxygen propellants to the ship’s six Raptor engines. SpaceX officials did not say whether any of these changes might have caused the problem on Thursday’s launch.

SpaceX officials have repeatedly and carefully set expectations for each Starship test flight. They routinely refer to the rocket as experimental, and the primary focus of the rocket’s early demo missions is to gather data on the performance of the vehicle. What works, and what doesn’t work?

Still, the outcome of Thursday’s test flight is a clear disappointment for SpaceX. This was the seventh test flight of SpaceX’s enormous rocket and the first time Starship failed to complete its launch sequence since the second flight in November 2023. Until now, SpaceX has made steady progress, and each Starship flight has achieved more milestones than the one before.

On the first flight in April 2023, the rocket lost control a little more than two minutes after liftoff, and the ground-shaking power of the booster’s 33 engines shattered the concrete foundation beneath the launch pad. Seven months later, on Flight 2, the rocket made it eight minutes before failing. On that mission, Starship failed at roughly the same point of its ascent, just before the cutoff of the vehicle’s six methane-fueled Raptor engines.

Back then, a handful of photos and images from the Florida Keys and Puerto Rico showed debris in the sky after Starship activated its self-destruct mechanism due to an onboard fire caused by a dump of liquid oxygen propellant. But that flight occurred in the morning, with bright sunlight along the ship’s flight path.

This time, the ship disintegrated and reentered the atmosphere at dusk, with impeccable lighting conditions accentuating the debris cloud’s appearance. These twilight conditions likely contributed to the plethora of videos posted to social media on Thursday.

Starship and Super Heavy head downrange from SpaceX’s launch site near Brownsville, Texas. Credit: SpaceX

The third Starship test flight last March saw the spacecraft reach its planned trajectory and fly halfway around the world before succumbing to the scorching heat of atmospheric reentry. In June, the fourth test flight ended with controlled splashdowns of the rocket’s Super Heavy booster in the Gulf of Mexico and of Starship in the Indian Ocean.

In October, SpaceX caught the Super Heavy booster with mechanical arms at the launch pad for the first time, proving out the company’s audacious approach to recovering and reusing the rocket. On this fifth test flight, SpaceX modified the ship’s heat shield to better handle the hot temperatures of reentry, and the vehicle again made it to an on-target splashdown in the Indian Ocean.

Most recently, Flight 6 on November 19 demonstrated the ship’s ability to reignite its Raptor engines in space for the first time and again concluded with a bullseye splashdown. But SpaceX aborted an attempt to again catch the booster back at Starbase due to a problem with sensors on the launch pad’s tower.

With Flight 7, SpaceX hoped to test more changes to the heat shield protecting Starship from reentry temperatures up to 2,600° Fahrenheit (1,430° Celsius). Musk has identified the heat shield as one of the most difficult challenges still facing the program. In order for SpaceX to reach its ambition for the ship to become rapidly reusable, with minimal or no refurbishment between flights, the heat shield must be resilient and durable.

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Here’s what NASA would like to see SpaceX accomplish with Starship this year

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Iterate, iterate, and iterate some more

The seventh test flight of Starship is scheduled for launch Thursday afternoon.

SpaceX’s upgraded Starship rocket stands on its launch pad at Starbase, Texas. Credit: SpaceX

SpaceX plans to launch the seventh full-scale test flight of its massive Super Heavy booster and Starship rocket Thursday afternoon. It’s the first of what might be a dozen or more demonstration flights this year as SpaceX tries new things with the most powerful rocket ever built.

There are many things on SpaceX’s Starship to-do list in 2025. They include debuting an upgraded, larger Starship, known as Version 2 or Block 2, on the test flight preparing to launch Thursday. The one-hour launch window opens at 5 pm EST (4 pm CST; 22: 00 UTC) at SpaceX’s launch base in South Texas. You can watch SpaceX’s live webcast of the flight here.

SpaceX will again attempt to catch the rocket’s Super Heavy booster—more than 20 stories tall and wider than a jumbo jet—back at the launch pad using mechanical arms, or “chopsticks,” mounted to the launch tower. Read more about the Starship Block 2 upgrades in our story from last week.

You might think of next week’s Starship test flight as an apéritif before the entrées to come. Ars recently spoke with Lisa Watson-Morgan, the NASA engineer overseeing the agency’s contract with SpaceX to develop a modified version of Starship to land astronauts on the Moon. NASA has contracts with SpaceX worth more than $4 billion to develop and fly two Starship human landing missions under the umbrella of the agency’s Artemis program to return humans to the Moon.

We are publishing the entire interview with Watson-Morgan below, but first, let’s assess what SpaceX might accomplish with Starship this year.

There are many things to watch for on this test flight, including the deployment of 10 satellite simulators to test the ship’s payload accommodations and the performance of a beefed-up heat shield as the vehicle blazes through the atmosphere for reentry and splashdown in the Indian Ocean.

If this all works, SpaceX may try to launch a ship into low-Earth orbit on the eighth flight, expected to launch in the next couple of months. All of the Starship test flights to date have intentionally flown on suborbital trajectories, bringing the ship back toward reentry over the sea northwest of Australia after traveling halfway around the world.

Then, there’s an even bigger version of Starship called Block 3 that could begin flying before the end of the year. This version of the ship is the one that SpaceX will use to start experimenting with in-orbit refueling, according to Watson-Morgan.

In order to test refueling, two Starships will dock together in orbit, allowing one vehicle to transfer super-cold methane and liquid oxygen into the other. Nothing like this on this scale has ever been attempted before. Future Starship missions to the Moon and Mars may require 10 or more tanker missions to gas up in low-Earth orbit. All of these missions will use different versions of the same basic Starship design: a human-rated lunar lander, a propellant depot, and a refueling tanker.

Artist’s illustration of Starship on the surface of the Moon. Credit: SpaceX

Questions for 2025

Catching Starship back at its launch tower and demonstrating orbital propellant transfer are the two most significant milestones on SpaceX’s roadmap for 2025.

SpaceX officials have said they aim to fly as many as 25 Starship missions this year, allowing engineers to more rapidly iterate on the vehicle’s design. SpaceX is constructing a second launch pad at its Starbase facility near Brownsville, Texas, to help speed up the launch cadence.

Can SpaceX achieve this flight rate in 2025? Will faster Starship manufacturing and reusability help the company fly more often? Will SpaceX fly its first ship-to-ship propellant transfer demonstration this year? When will Starship begin launching large batches of new-generation Starlink Internet satellites?

Licensing delays at the Federal Aviation Administration have been a thorn in SpaceX’s side for the last couple of years. Will those go away under the incoming administration of President-elect Donald Trump, who counts SpaceX founder Elon Musk as a key adviser?

And will SpaceX gain a larger role in NASA’s Artemis lunar program? The Artemis program’s architecture is sure to be reviewed by the Trump administration and the nominee for the agency’s next administrator, billionaire businessman and astronaut Jared Isaacman.

The very expensive Space Launch System rocket, developed by NASA with Boeing and other traditional aerospace contractors, might be canceled. NASA currently envisions the SLS rocket and Orion spacecraft as the transportation system to ferry astronauts between Earth and the vicinity of the Moon, where crews would meet up with a landing vehicle provided by commercial partners SpaceX and Blue Origin.

Watson-Morgan didn’t have answers to all of these questions. Many of them are well outside of her purview as Human Landing System program manager, so Ars didn’t ask. Instead, Ars discussed technical and schedule concerns with her during the half-hour interview. Here is one part of the discussion, lightly edited for clarity.

Ars: What do you hope to see from Flight 7 of Starship?

Lisa Watson-Morgan: One of the exciting parts of working with SpaceX are these test flights. They have a really fast turnaround, where they put in different lessons learned. I think you saw many of the flight objectives that they discussed from Flight 6, which was a great success. I think they mentioned different thermal testing experiments that they put on the ship in order to understand the different heating, the different loads on certain areas of the system. All that was really good with each one of those, in addition to how they configure the tiles. Then, from that, there’ll be additional tests that they will put on Flight 7, so you kind of get this iterative improvement and learning that we’ll get to see in Flight 7. So Flight 7 is the first Version 2 of their ship set. When I say that, I mean the ship, the booster, all the systems associated with it. So, from that, it’s really more just understanding how the system, how the flaps, how all of that interacts and works as they’re coming back in. Hopefully we’ll get to see some catches, that’s always exciting.

Ars: How did the in-space Raptor engine relight go on Flight 6 (on November 19)?

Lisa Watson-Morgan: Beautifully. And that’s something that’s really important to us because when we’re sitting on the Moon… well, actually, the whole path to the Moon as we are getting ready to land on the Moon, we’ll perform a series of maneuvers, and the Raptors will have an environment that is very, very cold. To that, it’s going to be important that they’re able to relight for landing purposes. So that was a great first step towards that. In addition, after we land, clearly the Raptors will be off, and it will get very cold, and they will have to relight in a cold environment (to get off the Moon). So that’s why that step was critical for the Human Landing System and NASA’s return to the Moon.

A recent artist’s illustration of two Starships docked together in low-Earth orbit. Credit: SpaceX

Ars: Which version of the ship is required for the propellant transfer demonstration, and what new features are on that version to enable this test?

Lisa Watson-Morgan: We’re looking forward to the Version 3, which is what’s coming up later on, sometime in ’25, in the near term, because that’s what we need for propellant transfer and the cryo fluid work that is also important to us… There are different systems in the V3 set that will help us with cryo fluid management. Obviously, with those, we have to have the couplers and the quick-disconnects in order for the two systems to have the right guidance, navigation, trajectory, all the control systems needed to hold their station-keeping in order to dock with each other, and then perform the fluid transfer. So all the fluid lines and all that’s associated with that, those systems, which we have seen in tests and held pieces of when we’ve been working with them at their site, we’ll get to see those actually in action on orbit.

Ars: Have there been any ground tests of these systems, whether it’s fluid couplers or docking systems? Can you talk about some of the ground tests that have gone into this development?

Lisa Watson-Morgan: Oh, absolutely. We’ve been working with them on ground tests for this past year. We’ve seen the ground testing and reviewed the data. Our team works with them on what we deem necessary for the various milestones. While the milestone contains proprietary (information), we work closely with them to ensure that it’s going to meet the intent, safety-wise as well as technically, of what we’re going to need to see. So they’ve done that.

Even more exciting, they have recently shipped some of their docking systems to the Johnson Space Center for testing with the Orion Lockheed Martin docking system, and that’s for Artemis III. Clearly, that’s how we’re going to receive the crew. So those are some exciting tests that we’ve been doing this past year as well that’s not just focused on, say, the booster and the ship. There are a lot of crew systems that are being developed now. We’re in work with them on how we’re going to effectuate the crew manual control requirements that we have, so it’s been a great balance to see what the crew needs, given the size of the ship. That’s been a great set of work. We have crew office hours where the crew travels to Hawthorne [SpaceX headquarters in California] and works one-on-one with the different responsible engineers in the different technical disciplines to make sure that they understand not just little words on the paper from a requirement, but actually what this means, and then how systems can be operated.

Ars: For the docking system, Orion uses the NASA Docking System, and SpaceX brings its own design to bear on Starship?

Lisa Watson-Morgan: This is something that I think the Human Landing System has done exceptionally well. When we wrote our high-level set of requirements, we also wrote it with a bigger picture in mind—looked into the overall standards of how things are typically done, and we just said it has to be compliant with it. So it’s a docking standard compliance, and SpaceX clearly meets that. They certainly do have the Dragon heritage, of course, with the International Space Station. So, because of that, we have high confidence that they’re all going to work very well. Still, it’s important to go ahead and perform the ground testing and get as much of that out of the way as we can.

Lisa Watson-Morgan, NASA’s HLS program manager, is based at Marshall Space Flight Center in Huntsville, Alabama. Credit: ASA/Aubrey Gemignani

Ars: How far along is the development and design of the layout of the crew compartment at the top of Starship? Is it far along, or is it still in the conceptual phase? What can you say about that?

Lisa Watson-Morgan: It’s much further along there. We’ve had our environmental control and life support systems, whether it’s carbon dioxide monitoring fans to make sure the air is circulating properly. We’ve been in a lot of work with SpaceX on the temperature. It’s… a large area (for the crew). The seats, making sure that the crew seats and the loads on that are appropriate. For all of that work, as the analysis work has been performed, the NASA team is reviewing it. They had a mock-up, actually, of some of their life support systems even as far back as eight-plus months ago. So there’s been a lot of progress on that.

Ars: Is SpaceX planning to use a touchscreen design for crew displays and controls, like they do with the Dragon spacecraft?

Lisa Watson-Morgan: We’re in talks about that, about what would be the best approach for the crew for the dynamic environment of landing.

Ars: I can imagine it is a pretty dynamic environment with those Raptor engines firing. It’s almost like a launch in reverse.

Lisa Watson-Morgan: Right. Those are some of the topics that get discussed in the crew office hours. That’s why it’s good to have the crew interacting directly, in addition to the different discipline leads, whether it’s structural, mechanical, propulsion, to have all those folks talking guidance and having control to say, “OK, well, when the system does this, here’s the mode we expect to see. Here’s the impact on the crew. And is this condition, or is the option space that we have on the table, appropriate for the next step, with respect to the displays.”

Ars: One of the big things SpaceX needs to prove out before going to the Moon with Starship is in-orbit propellant transfer. When do you see the ship-to-ship demonstration occurring?

Lisa Watson-Morgan: I see it occurring in ’25.

Ars: Anything more specific about the schedule for that?

Lisa Watson-Morgan: That’d be a question for SpaceX because they do have a number of flights that they’re performing commercially, for their maturity. We get the benefit of that. It’s actually a great partnership. I’ll tell you, it’s really good working with them on this, but they’d have to answer that question. I do foresee it happening in ’25.

Ars: What things do you need to see SpaceX accomplish before they’re ready for the refueling demo? I’m thinking of things like the second launch tower, potentially. Do they need to demonstrate a ship catch or anything like that before going for orbital refueling?

Lisa Watson-Morgan: I would say none of that’s required. You just kind of get down to, what are the basics? What are the basics that you need? So you need to be able to launch rapidly off the same pad, even. They’ve shown they can launch and catch within a matter of minutes. So that is good confidence there. The catching is part of their reuse strategy, which is more of their commercial approach, and not a NASA requirement. NASA reaps the benefit of it by good pricing as a result of their commercial model, but it is not a requirement that we have. So they could theoretically use the same pad to perform the propellant transfer and the long-duration flight, because all it requires is two launches, really, within a specified time period to where the two systems can meet in a planned trajectory or orbit to do the propellant transfer. So they could launch the first one, and then within a week or two or three, depending on what the concept of operations was that we thought we could achieve at that time, and then have the propellant transfer demo occur that way. So you don’t necessarily need two pads, but you do need more thermal characterization of the ship. I would say that is one of the areas (we need to see data on), and that is one of the reasons, I think, why they’re working so diligently on that.

Ars: You mentioned the long-duration flight demonstration. What does that entail?

Lisa Watson-Morgan: The simple objectives are to launch two different tankers or Starships. The Starship will eventually be a crewed system. Clearly, the ones that we’re talking about for the propellant transfer are not. It’s just to have the booster and Starship system launch, and within a few weeks, have another one launch, and have them rendezvous. They need to be able to find each other with their sensors. They need to be able to come close, very, very close, and they need to be able to dock together, connect, do the quick connect, and make sure they are able, then, to flow propellant and LOX (liquid oxygen) to another system. Then, we need to be able to measure the quantity of how much has gone over. And from that, then they need to safely undock and dispose.

Ars: So the long-duration flight demonstration is just part of what SpaceX needs to do in order to be ready for the propellant transfer demonstration?

Lisa Watson-Morgan: We call it long duration just because it’s not a 45-minute or an hour flight. Long duration, obviously, that’s a relative statement, but it’s a system that can stay up long enough to be able to find another Starship and perform those maneuvers and flow of fuel and LOX.

Ars: How much propellant will you transfer with this demonstration, and do you think you’ll get all the data you need in one demonstration, or will SpaceX need to try this several times?

Lisa Watson-Morgan: That’s something you can ask SpaceX (about how much propellant will be transferred). Clearly, I know, but there’s some sensitivity there. You’ve seen our requirements in our initial solicitation. We have thresholds and goals, meaning we want you to at least do this, but more is better, and that’s typically how we work almost everything. Working with commercial industry in these fixed-price contracts has worked exceptionally well, because when you have providers that are also wanting to explore commercially or trying to make a commercial system, they are interested in pushing more than what we would typically ask for, and so often we get that for an incredibly fair price.

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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Two lunar landers are on the way to the Moon after SpaceX’s double moonshot

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Julianna Scheiman, director of NASA science missions for SpaceX, said it made sense to pair the Firefly and ispace missions on the same Falcon 9 rocket.

“When we have two missions that can each go to the Moon on the same launch, that is something that we obviously want to take advantage of,” Scheiman said. “So when we found a solution for the Firefly and ispace missions to fly together on the same Falcon 9, it was a no-brainer to put them together.”

SpaceX stacked the two landers, one on top of the other, inside the Falcon 9’s payload fairing. Firefly’s lander, the larger of the two spacecraft, rode on top of the stack and deployed from the rocket first. The Resilience lander from ispace launched in the lower position, cocooned inside a specially designed canister. Once Firefly’s lander separated from the Falcon 9, the rocket jettisoned the canister, performed a brief engine firing to maneuver into a slightly different orbit, then released ispace’s lander.

This dual launch arrangement resulted in a lower launch price for Firefly and ispace, according to Scheiman.

“At SpaceX, we are really interested in and invested in lowering the cost of launch for everybody,” she said. “So that’s something we’re really proud of.”

The Resilience lunar lander is pictured at ispace’s facility in Japan last year. The company’s small Tenacious rover is visible on the upper left part of the spacecraft. credit: ispace Credit: ispace

The Blue Ghost and Resilience landers will take different paths toward the Moon.

Firefly’s Blue Ghost will spend about 25 days in Earth orbit, then four days in transit to the Moon. After Blue Ghost enters lunar orbit, Firefly’s ground team will verify the readiness of the lander’s propulsion and navigation systems and execute several thruster burns to set up for landing.

Blue Ghost’s final descent to the Moon is tentatively scheduled for March 2. The target landing site is in Mare Crisium, an ancient 350-mile-wide (560-kilometer) impact basin in the northeast part of the near side of the Moon.

After touchdown, Blue Ghost will operate for about 14 days (one entire lunar day). The instruments aboard Firefly’s lander include a subsurface drill, an X-ray imager, and an experimental electrodynamic dust shield to test methods of repelling troublesome lunar dust from accumulating on sensitive spacecraft components.

The Resilience lander from ispace will take four to five months to reach the Moon. It carries several intriguing tech demo experiments, including a water electrolyzer provided by a Japanese company named Takasago Thermal Engineering. This demonstration will test equipment that future lunar missions could use to convert the Moon’s water ice resources into electricity and rocket fuel.

The lander will also deploy a “micro-rover” named Tenacious, developed by an ispace subsidiary in Luxembourg. The Tenacious rover will attempt to scoop up lunar soil and capture high-definition imagery of the Moon.

Ron Garan, CEO of ispace’s US-based subsidiary, told Ars that this mission is “pivotal” for the company.

“We were not fully successful on our first mission,” Garan said in an interview. “It was an amazing accomplishment, even though we didn’t have a soft landing… Although the hardware worked flawlessly, exactly as it was supposed to, we did have some lessons learned in the software department. The fixes to prevent what happened on the first mission from happening on the second mission were fairly straightforward, so that boosts our confidence.”

The ispace subsidiary led by Garan, a former NASA astronaut, is based in Colorado. While the Resilience lander launched Wednesday is not part of the CLPS program, the company will build an upgraded lander for a future CLPS mission for NASA, led by Draper Laboratory.

“I think the fact that we have two lunar landers on the same rocket for the first time in history is pretty substantial,” Garan said. I think we all are rooting for each other.”

Investors need to see more successes with commercial lunar landers to fully realize the market’s potential, Garan said.

“That market, right now, is very nascent. It’s very, very immature. And one of the reasons for that is that it’s very difficult for companies that are contemplating making investments on equipment, experiments, etc., to put on the lunar surface and lunar orbit,” Garan said. “It’s very difficult to make those investments, especially if they’re long-term investments, because there really hasn’t been a proof of concept yet.”

“So every time we have a success, that makes it more likely that these companies that will serve as the foundation of a commercial lunar market movement will be able to make those investments,” Garan said. “Conversely, every time we have a failure, the opposite happens.”

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Firefly Aerospace rakes in more cash as competitors struggle for footing

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More than just one thing

Firefly’s majority owner is the private equity firm AE Industrial Partners, and the Series D funding round was led by Michigan-based RPM Ventures.

“Few companies can say they’ve defined a new category in their industry—Firefly is one of those,” said Marc Weiser, a managing director at RPM Ventures. “They have captured their niche in the market as a full service provider for responsive space missions and have become the pinnacle of what a modern space and defense technology company looks like.”

This descriptor—a full service provider—is what differentiates Firefly from most other space companies. Firefly’s crosscutting work in small and medium launch vehicles, rocket engines, lunar landers, and in-space propulsion propels it into a club of wide-ranging commercial space companies that, arguably, only includes SpaceX, Blue Origin, and Rocket Lab.

NASA has awarded Firefly three task orders under the Commercial Lunar Payload Services (CLPS) program. Firefly will soon ship its first Blue Ghost lunar lander to Florida for final preparations to launch to the Moon and deliver 10 NASA-sponsored scientific instruments and tech demo experiments to the lunar surface. NASA has a contract with Firefly for a second Blue Ghost mission, plus an agreement for Firefly to transport a European data relay satellite to lunar orbit.

Firefly also boasts a healthy backlog of missions on its Alpha rocket. In June, Lockheed Martin announced a deal for as many as 25 Alpha launches through 2029. Two months later, L3Harris inked a contract with Firefly for up to 20 Alpha launches. Firefly has also signed Alpha launch contracts with NASA, the National Oceanic and Atmospheric Administration (NOAA), the Space Force, and the National Reconnaissance Office. One of these Alpha launches will deploy Firefly’s first orbital transfer vehicle, named Elytra, designed to host customer payloads and transport them to different orbits following separation from the launcher’s upper stage.

And there’s the Medium Launch Vehicle, a rocket Firefly and Northrop Grumman hope to launch as soon as 2026. But first, the companies will fly an MLV booster stage with seven kerosene-fueled Miranda engines on a new version of Northrop Grumman’s Antares rocket for cargo deliveries to the International Space Station. Northrop Grumman has retired the previous version of Antares after losing access to Russian rocket engines in the wake of Russia’s invasion of Ukraine.

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NRO chief: “You can’t hide” from our new swarm of SpaceX-built spy satellites

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“A satellite is always coming over an area within a given reasonable amount of time.”

This frame from a SpaceX video shows a stack of Starlink Internet satellites attached to the upper stage of a Falcon 9 rocket, moments after jettison of the launcher’s payload fairing. Credit: SpaceX

The director of the National Reconnaissance Office has a message for US adversaries around the world.

“You can’t hide, because we’re constantly looking,” said Chris Scolese, a longtime NASA engineer who took the helm of the US government’s spy satellite agency in 2019.

The NRO is taking advantage of SpaceX’s Starlink satellite assembly line to build a network of at least 100 satellites, and perhaps many more, to monitor adversaries around the world. So far, more than 80 of these SpaceX-made spacecraft, each a little less than a ton in mass, have launched on four Falcon 9 rockets. There are more to come.

A large number of these mass-produced satellites, or what the NRO calls a “proliferated architecture,” will provide regularly updated imagery of foreign military installations and other sites of interest to US intelligence agencies. Scolese said the new swarm of satellites will “get us reasonably high-resolution imagery of the Earth, at a high rate of speed.”

This is a significant change in approach for the NRO, which has historically operated a smaller number of more expensive satellites, some as big as a school bus.

“We expect to quadruple the number of satellites we have to have on-orbit in the next decade,” said Col. Eric Zarybnisky, director of the NRO’s office of space launch, during an October 29 presentation at the Wernher von Braun Space Exploration Symposium in Huntsville, Alabama.

The NRO is not the only national security agency eyeing a constellation of satellites in low-Earth orbit. The Pentagon’s Space Development Agency plans to kick off a rapid-fire launch cadence next year to begin placing hundreds of small satellites in orbit to detect and track missiles threatening US or allied forces. The Space Force is also interested in buying its own set of SpaceX satellites for broadband connectivity.

The Pentagon started moving in this direction about a decade ago, when leaders raised concerns that the legacy fleets of military and spy satellites were at risk of attack. Now, Elon Musk’s SpaceX and a handful of other companies, many of them startups, specialize in manufacturing and launching small satellites at relatively low cost.

“Why didn’t we do this earlier? Well, launch costs were high, right?” said Troy Meink, the NRO’s principal deputy director, in an October 17 discussion hosted by the Mitchell Institute for Aerospace Studies. “The cost of entry was pretty high, which has come way down. Then, digital electronics has allowed us to build capability in a much smaller package, and a combination of those two is really what’s enabled it.”

A constant vigil

NRO officials still expect to require some large satellites with sharp-eyed optics—think of a Hubble Space Telescope pointed at Earth—to resolve the finest details of things like missile installations, naval fleets, or insurgent encampments. The drawback of this approach is that, at best, a few big optical or radar imaging satellites only fly over places of interest several times per day.

With the proliferated architecture, the NRO will capture views of most places on Earth a lot more often. Two of the most important metrics with a remote-sensing satellite system are imaging resolution and revisit time, or how often a satellite is over a specific location on Earth.

“We need to have persistence or fast revisit,” Scolese said on October 3 in a discussion at the Center for Strategic and International Studies, a nonprofit Washington think tank. “You can proliferate your architecture, put more satellites up there, so that a satellite is always coming over an area within a given reasonable amount of time that’s needed by the users. That’s what we’re doing with the proliferated architecture.

“That’s enabled by a really rich commercial industry that’s building hundreds or thousands of satellites,” Scolese said. “That allowed us to take those satellites, adapt them to our use at low cost, and apply whatever sensor is needed to go off and acquire the information that’s needed at whatever revisit time is required.”

The NRO’s logo for its proliferated satellite constellation, with the slogan “Strength in Numbers.”

Credit: National Reconnaissance Office

The NRO’s logo for its proliferated satellite constellation, with the slogan “Strength in Numbers.” Credit: National Reconnaissance Office

The NRO has identified other benefits, too. It’s a lot more difficult for a country like Russia or China to take out an entire constellation of satellites than to destroy or disable a single spy platform in orbit. Military officials have often referred to these expensive one-off satellites as “big juicy targets” for potential adversaries.

“It gives us a degree of resilience that we didn’t have before,” Scolese said.

The proliferated constellation also allows the NRO to be more nimble in responding to threats or new technologies. If a new type of sensor becomes available, or an adversary does something new that intelligence analysts want to look at, the NRO and its contractor can quickly swap out payloads on satellites going through the production line.

“That’s a huge change for an organization like the NRO,” Zarybnisky said. “It’s a catalyst. Another catalyst for innovation in the NRO is these smaller, lower price-point systems. Rapid turn time means you can introduce that next technology into the next generation and not wait for many years or even decades to introduce new technologies.”

Three-letter agencies

The NRO provides imaging, signals, and electronic intelligence data from its satellites to the National Security Agency, the National Geospatial-Intelligence Agency, and the Department of Defense. Scolese said the NRO wants to get actionable information into the hands of users across the federal government as quickly as possible, but the volume of data coming down from hundreds of satellites presents a challenge.

“Once you go to a proliferated architecture and you’re going from a few satellites to tens of satellites to now hundreds of satellites, you have to change a lot of things, and we’re in the process of doing that,” Scolese said.

With so many satellites, it “means that it’s no longer possible for an individual sitting at a control center to say, ‘I know what this satellite is doing,'” Scolese said. “So we have to have the machines to go off and help us there. We need artificial intelligence, machine learning, automated processes to help us do that.”

“We will deliver data in seconds, not minutes, and not hours,” Zarybnisky said.

The existence of this constellation was made public in March, when Reuters reported the NRO was working with SpaceX to develop and deploy a network of satellites in low-Earth orbit. SpaceX’s Starshield business unit is building the satellites under a $1.8 billion contract signed in 2021, according to Reuters. This is remarkably inexpensive by the standards of the NRO, which has spent more money just constructing a satellite processing facility at Cape Canaveral, Florida (thanks to Eric Berger’s reporting in Reentry for this juicy tidbit).

Chris Scolese appears before the Senate Armed Services Committee in 2019 during a confirmation hearing to become director of the National Reconnaissance Office.

Chris Scolese appears before the Senate Armed Services Committee in 2019 during a confirmation hearing to become director of the National Reconnaissance Office. Credit: Tom Williams/CQ Roll Call

Reuters reported Northrop Grumman is supplying sensors to mount on at least some of the SpaceX-built satellites, but their design and capabilities remain classified. The NRO, which usually keeps its work secret, officially acknowledged the program in April, a month before the first batch of satellites launched from Vandenberg Space Force Base, California.

SpaceX revealed the existence of the Starshield division in 2022, the year after signing the NRO contract, as a vehicle for applying the company’s experience manufacturing Starlink Internet satellites to support US national security missions. SpaceX has built and launched more than 7,200 Starlink satellites since 2019, with more than 6,000 currently operational, 10 times larger than any other existing satellite constellation.

The current generation of Starlink satellites launch in batches of 20 to 23 spacecraft on SpaceX’s Falcon 9 rocket. They’re flat-packed one on top of the other inside the Falcon 9’s payload shroud, then released all at once in orbit. The NRO’s new satellites likely use the same basic design, launching in groups of roughly 21 satellites on each mission.

According to Scolese, the NRO owns these SpaceX-built satellites, rather than SpaceX owning them and supplying data to the government through a service contract arrangement. By the end of the year, the NRO’s director anticipates having at least 100 of these satellites in orbit, with additional launches expected through 2028.

“We are going from the demo phase to the operational phase, where we’re really going to be able to start testing all of this stuff out in a more operational way,” Scolese said.

The NRO is buttressing its network of government-owned satellites with data buys from commercial remote-sensing companies, such as Maxar, Planet, and BlackSky. One advantage of commercial imagery is the NRO can share it widely with allies and the public because it isn’t subject to top-secret classification restrictions.

Scolese said it’s important to maintain a diversity of sources and observation methods to overcome efforts from other nations to hide what they’re doing. This means using more satellites, as the NRO is doing with SpaceX and other commercial partners. It also means using electro-optical, radar, thermal infrared, and electronic detection sensors to fully characterize what intelligence analysts are seeing.

The NRO is also studying more exotic methods like quantum remote sensing, using the principles of quantum physics at the atomic level.

“There’s camouflage,” Scolese said. “There are lots of techniques that can be used, which means we have to go off and look at very different phenomenologies, and we’ve developed and are developing capabilities that will allow us to defeat those types of activities. Quantum sensing is one of them. You can’t really hide from fundamental physics.”

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

NRO chief: “You can’t hide” from our new swarm of SpaceX-built spy satellites Read More »

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Finally, a sign of life for Europe’s sovereign satellite Internet constellation

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The estimated 10 billion-plus euro cost of the IRIS² program is nearly double initial projections. European officials also confirmed the sovereign satellite network won’t begin providing services to European government customers until 2030, three years later than the commission’s previous schedule.

Rising costs and negotiations over how much governments and industry will pay for IRIS² have delayed the contract award for months. Earlier this year, press reports indicated the SpaceRISE consortium’s proposal for IRIS² carried a total cost of 12 billion euros. It seems the price has been negotiated down, at least by a small percentage, to around 10 billion.

It’s also worth noting that the EU will this year only commit to funding the IRIS² initiative through the end 0f 2027, when the commission’s seven-year budget framework expires. It’s almost certain the IRIS² program will require more government funding beyond 2027, but the European Commission said it will decide later on additional money, subject to the “availability of the corresponding appropriations.”

In April, a senior official in the German government, the EU’s top contributor, called for the IRIS² program to be restarted. Robert Habeck, Germany’s economy minister, called the proposed 12 billion euro price “exorbitant” and said the entire project was “ill-conceived” in a letter to Thierry Breton, then the EU’s internal market commissioner, according to a report in the Germany newspaper Handelsblatt.

Habeck’s protest obviously did not stop the European Commission from awarding the contract to the SpaceRISE consortium. The 12-year agreement will cover the development, deployment, and operation of at least 290 satellites placed at different orbital altitudes, from low-Earth orbit up to medium-Earth orbit several thousand miles above the planet.

At these higher altitudes, IRIS² can cover the globe with fewer satellites than Starlink, OneWeb, or Amazon Kuiper.

The commission’s press release said the agreement, the largest space contract in EU history, should be signed in December. At that time, “legal and financial commitment from both parties will be taken,” the commission said.

The SpaceRISE consortium includes numerous European satellite and telecom companies, including spacecraft manufacturers Airbus Defence and Space, Thales Alenia Space, and OHB. Telespazio, Deutsche Telekom, Orange, Hisdesat, and Thales SIX are also part of the industry group.

These companies are typically competitors in the satellite and telecom markets, as are SES, Eutelsat, and Hispasat, which head up the consortium. Getting all the contractors and subcontractors to play nice with one another will be no small feat.

Finally, a sign of life for Europe’s sovereign satellite Internet constellation Read More »

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Rocket Report: Sneak peek at the business end of New Glenn; France to fly FROG

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“The vehicle’s max design gimbal condition is during ascent when it has to fight high-altitude winds.”

Blue Origin’s first New Glenn rocket, with seven BE-4 engines installed inside the company’s production facility near NASA’s Kennedy Space Center in Florida. Credit: Blue Origin

Welcome to Edition 7.17 of the Rocket Report! Next week marks 10 years since one of the more spectacular launch failures of this century. On October 28, 2014, an Antares rocket, then operated by Orbital Sciences, suffered an engine failure six seconds after liftoff from Virginia and crashed back onto the pad in a fiery twilight explosion. I was there and won’t forget seeing the rocket falter just above the pad, being shaken by the deafening blast, and then running for cover. The Antares rocket is often an afterthought in the space industry, but it has an interesting backstory touching on international geopolitics, space history, and novel engineering. Now, Northrop Grumman and Firefly Aerospace are developing a new version of Antares.

As always, we welcome reader submissions. 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.

Astra gets a lifeline from DOD. Astra, the launch startup that was taken private again earlier this year for a sliver of its former value, has landed a new contract with the Defense Innovation Unit (DIU) to support the development of a next-gen launch system for time-sensitive space missions, TechCrunch reports. The contract, which the DIU awarded under its Novel Responsive Space Delivery (NRSD) program, has a maximum value of $44 million. The money will go toward the continued development of Astra’s Launch System 2, designed to perform rapid, ultra-low-cost launches.

Guarantees? … It wasn’t clear from the initial reporting how much money DIU is actually committing to Astra, which said the contract will fund continued development of Launch System 2. Launch System 2 includes a small-class launch vehicle with a similarly basic name, Rocket 4, and mobile ground infrastructure designed to be rapidly set up at austere spaceports. Adam London, founder and chief technology officer at Astra, said the contract award is a “major vote of confidence” in the company. If Astra can capitalize on the opportunity, this would be quite a remarkable turnaround. After going public at an initial valuation of $2.1 billion, or $12.90 per share, Astra endured multiple launch failures with its previous rocket and risked bankruptcy before the company’s co-founders, Chris Kemp and Adam London, took the company private again this year at a price of just $0.50 per share. (submitted by Ken the Bin and EllPeaTea)

Blue Origin debuts a new New Shepard. Jeff Bezos’ Blue Origin space venture successfully sent a brand-new New Shepard rocket ship on an uncrewed shakedown cruise Wednesday, with the aim of increasing the company’s capacity to take people on suborbital space trips, GeekWire reports. The capsule, dubbed RSS Karman Line, carried payloads instead of people when it lifted off from Blue Origin’s Launch Site One in West Texas. But if all the data collected during the 10-minute certification flight checks out, it won’t be long before crews climb aboard for similar flights.

Now there are two … With this week’s flight, Blue Origin now has two human-rated suborbital capsules in its fleet, along with two boosters. This should allow the company to ramp up the pace of its human missions, which have historically flown at a cadence of about one flight every two to three months. The new capsule, named for the internationally recognized boundary of space 62 miles (100 kilometers) above Earth, features upgrades to improve performance and ease reusability. (submitted by Ken the Bin and EllPeaTea)

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China has a new space tourism company. Chinese launch startup Deep Blue Aerospace targets providing suborbital tourism flights starting in 2027, Space News reports. The company was already developing a partially reusable orbital rocket named Nebula-1 for satellite launches and recently lost a reusable booster test vehicle during a low-altitude test flight. While Deep Blue moves forward with more Nebula-1 testing before its first orbital launch, the firm is now selling tickets for rides to suborbital space on a six-person capsule. The first two tickets were expected to be sold Thursday in a promotional livestream event.

Architectural considerations … Deep Blue has a shot at becoming China’s first space tourism company and one of only a handful in the world, joining US-based Blue Origin and Virgin Galactic in the market for suborbital flights. Deep Blue’s design will be a single-stage reusable rocket and crew capsule, similar to Blue Origin’s New Shepard, capable of flying above the Kármán line and providing up to 10 minutes of microgravity experience for its passengers before returning to the ground. A ticket, presumably for a round trip, will cost about $210,000. (submitted by Ken the Bin)

France’s space agency aims to launch a FROG. French space agency CNES will begin flight testing a small reusable rocket demonstrator called FROG-H in 2025, European Spaceflight reports. FROG is a French acronym that translates to Rocket for GNC demonstration, and its purpose is to test landing algorithms for reusable launch vehicles. CNES manages the program in partnership with French nonprofits and universities. At 11.8 feet (3.6 meters) tall, FROG is the smallest launch vehicle prototype at CNES, which says it will test concepts and technologies at small scale before incorporating them into Europe’s larger vertical takeoff/vertical landing test rockets like Callisto and Themis. Eventually, the idea is for all this work to lead to a reusable European orbital-class rocket.

Building on experience … CNES flew a jet-powered demonstrator named FROG-T on five test flights beginning in May 2019, reaching a maximum altitude of about 100 feet (30 meters). FROG-H will be powered by a hydrogen peroxide rocket engine developed by the Łukasiewicz Institute of Aviation in Poland under a European Space Agency contract. The first flights of FROG-H are scheduled for early 2025. The structure of the FROG project seeks to “break free from traditional development methods” by turning to “teams of enthusiasts” to rapidly develop and test solutions through an experimental approach, CNES says on its website. (submitted by EllPeaTea and Ken the Bin)

Falcon 9 sweeps NSSL awards. The US Space Force’s Space Systems Command announced on October 18 it has ordered nine launches from SpaceX in the first batch of dozens of missions the military will buy in a new phase of competition for lucrative national security launch contracts, Ars reports. The parameters of the competition limited the bidders to SpaceX and United Launch Alliance (ULA). SpaceX won both task orders for a combined value of $733.5 million, or roughly $81.5 million per mission. Six of the nine missions will launch from Vandenberg Space Force Base, California, beginning as soon as late 2025. The other three will launch from Cape Canaveral Space Force Station, Florida.

Head-to-head … This was the first set of contract awards by the Space Force’s National Security Space Launch (NSSL) Phase 3 procurement round and represents one of the first head-to-head competitions between SpaceX’s Falcon 9 and ULA’s Vulcan rocket. The nine launches were divided into two separate orders, and SpaceX won both. The missions will deploy payloads for the National Reconnaissance Office and the Space Development Agency. (submitted by Ken the Bin)

SpaceX continues deploying NRO megaconstellation. SpaceX launched more surveillance satellites for the National Reconnaissance Office Thursday aboard a Falcon 9 rocket, Spaceflight Now reports. While the secretive spy satellite agency did not identify the number or exact purpose of the satellites, the Falcon 9 likely deployed around 20 spacecraft believed to be based on SpaceX’s Starshield satellite bus, a derivative of the Starlink spacecraft platform, with participation from Northrop Grumman. These satellites host classified sensors for the NRO.  This is the fourth SpaceX launch for the NRO’s new satellite fleet, which seeks to augment the agency’s bespoke multibillion-dollar spy satellites with a network of smaller, cheaper, more agile platforms in low-Earth orbit.

The century mark … This mission, officially designated NROL-167, was the 100th flight of a Falcon 9 rocket this year and the 105th SpaceX launch overall in 2024. The NRO has not said how many satellites will make up its fleet when completed, but the intelligence agency says it will be the US government’s largest satellite constellation in history. By the end of the year, the NRO expects to have 100 or more of these satellites in orbit, allowing the agency to transition from a demonstration mode to an operational mode to deliver intelligence data to military and government users. Many more launches are expected through 2028. (submitted by Ken the Bin)

ULA is stacking its third Vulcan rocket. United Launch Alliance has started assembling its next Vulcan rocket—the first destined to launch a US military payload—as the Space Force prepares to certify it to loft the Pentagon’s most precious national security satellites, Ars reports. Space Force officials expect to approve ULA’s Vulcan rocket for military missions without requiring another test flight, despite an unusual problem on the rocket’s second demonstration flight earlier this month, when one of Vulcan’s two strap-on solid-fueled boosters lost its nozzle shortly after liftoff.

Pending certification … Despite the nozzle failure, the Vulcan rocket continued climbing into space and eventually reached its planned injection orbit, and the Space Force and ULA declared the test flight a success. Still, engineers want to understand what caused the nozzle to break apart and decide on corrective actions before the Space Force clears the Vulcan rocket to launch a critical national security payload. This could take a little longer than expected due to the booster problem, but Space Force officials still hope to certify the Vulcan rocket in time to support a national security launch by the end of the year.

Blue Origin’s first New Glenn has all its engines. Blue Origin published a photo Thursday on X showing all seven first-stage BE-4 engines installed on the base of the company’s first New Glenn rocket. This is a notable milestone as Blue Origin proceeds toward the first launch of the heavy-lifter, possibly before the end of the year. But there’s a lot of work for Blue Origin to accomplish before then. These steps include rolling the rocket to the launch pad, running through propellant loading tests and practice countdowns, and then test-firing all seven BE-4 engines on the pad at Cape Canaveral Space Force Station, Florida.

Seven for seven … The BE-4 engines will consume methane fuel mixed with liquid oxygen for the first few minutes of the New Glenn flight, generating more than 3.8 million pounds of combined thrust. The seven BE-4s on New Glenn are similar to the BE-4 engines that fly two at a time on ULA’s Vulcan rocket. Dave Limp, Blue Origin’s CEO, said three of the seven engines on the New Glenn first stage have thrust vector control capability to provide steering during launch, reentry, and landing on the company’s offshore recovery vessel. “That gimbal capability, along with the landing gear and Reaction Control System thrusters, are key to making our booster fully reusable,” Limp wrote on X. “Fun fact: The vehicle’s max design gimbal condition is during ascent when it has to fight high-altitude winds.”

Next Super Heavy booster test-fired in Texas. SpaceX fired up the Raptor engines on its next Super Heavy booster, numbered Booster 13, Thursday evening at the company’s launch site in South Texas. This happened just 11 days after SpaceX launched and caught the Super Heavy booster on the previous Starship test flight and signals SpaceX could be ready for the next Starship test flight sometime in November. SpaceX has already test-fired the Starship upper stage for the next flight.

Great expectations … We expect the next Starship flight, which will be program’s sixth full-scale demo mission, will include another booster catch back at the launch tower at Starbase, Texas. SpaceX may also attempt to reignite a Raptor engine on the Starship upper stage while it is in space, demonstrating the capability to steer itself back into the atmosphere on future flights. So far, SpaceX has only launched Starships on long, arcing suborbital trajectories that carry the vehicle halfway around the world before reentry. In order to actually launch a Starship into a stable orbit around Earth, SpaceX will want to show it can bring the vehicle back so it doesn’t reenter the atmosphere in an uncontrolled manner. An uncontrolled reentry of a large spacecraft like Starship could pose a public safety risk.

Next three launches

Oct. 26: Falcon 9 | Starlink 10-8 | Cape Canaveral Space Force Station, Florida | 21: 47 UTC

Oct. 29: Falcon 9 | Starlink 9-9 | Vandenberg Space Force Base, California | 11: 30 UTC

Oct. 30: H3 | Kirameki 3 | Tanegashima Space Center, Japan | 06: 46 UTC

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

Rocket Report: Sneak peek at the business end of New Glenn; France to fly FROG Read More »

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Boeing is still bleeding money on the Starliner commercial crew program

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“We signed up to some things that are problematic.”

Boeing’s Starliner spacecraft backs away from the International Space Station on September 6 without its crew. Credit: NASA

Sometimes, it’s worth noting when something goes unsaid.

On Wednesday, Boeing’s new CEO, Kelly Ortberg, participated in his first quarterly conference call with investment analysts. Under fire from labor groups and regulators, Boeing logged a nearly $6.2 billion loss for the last three months, while the new boss pledged a turnaround for the troubled aerospace company.

What Ortberg didn’t mention in the call was the Starliner program. Starliner is a relatively small portion of Boeing’s overall business, but it’s a high-profile and unprofitable one.

Mounting losses

Boeing has reported recurring financial losses on the program and added $250 million to the tally with Wednesday’s quarterly report filed with the Securities and Exchange Commission. This brings the company’s total losses on Starliner to $1.85 billion, recorded in increments over the last few years as the program has faced technical problems and delays.

In its SEC filing, Boeing wrote: “Risk remains that we may record additional losses in future periods.”

Boeing runs the Starliner program under a fixed-price contract with NASA, meaning the government pays the contractor a set amount of money, and the company is on the hook for any cost overruns. These are favorable terms for the government because they divert financial risk to the contractor, usually resulting in lower costs if the program is successful.

Since the last Starliner test flight ended in a disappointing fashion, Boeing has released no updates on its plans for the future of the spacecraft. The company released a short written statement after Starliner landed in early September, saying managers would review data and “determine the next steps for the program.”

A week after Starliner landed, Boeing’s chief financial officer, Brian West, echoed that line. “There is important work to determine any next steps for the Starliner program, and we’ll evaluate that,” he said at a conference sponsored by Morgan Stanley.

A member of the Starliner recovery team removes cargo from the spacecraft after landing in New Mexico on September 6, without its two-person crew.

Credit: NASA/Aubrey Gemignani

A member of the Starliner recovery team removes cargo from the spacecraft after landing in New Mexico on September 6, without its two-person crew. Credit: NASA/Aubrey Gemignani

Starliner concluded its third test flight a little more than six weeks ago, leaving behind the two astronauts the craft ferried to the International Space Station earlier in the year. This was the first time people flew into orbit on a Starliner spacecraft.

NASA, which partnered with Boeing to develop the Starliner spacecraft, decided the Boeing capsule should return to Earth without its crew after the test flight encountered problems with overheating thrusters and helium leaks. The spacecraft safely reached the space station with NASA astronauts Butch Wilmore and Suni Williams in June, but agency officials were not comfortable with risking the crew’s safety on Starliner for the trip home. Instead, the duo will return to Earth on a SpaceX Dragon spacecraft early next year.

Boeing managers had a different opinion and lobbied for Starliner to return to Earth with Wilmore and Williams. Ultimately, the Starliner spacecraft parachuted to a successful landing at White Sands Space Harbor, New Mexico, on September 6, but there’s a lot of work ahead for Boeing to fix the thruster problems and helium leaks before the capsule can fly with people again. This will take many months—potentially a year or more—and will cost Boeing hundreds of millions of dollars, as shown in Wednesday’s SEC filing.

Doing less

In response to questions Wednesday from Wall Street investment firms, Ortberg, who took the CEO job in August, suggested it’s time for Boeing to look at cutting some of its losses and recalibrate how it pursues new business opportunities. Boeing’s previous CEO, Dave Calhoun, said last year the company would no longer enter into fixed-price development contracts.

“I think that that we’re better off being doing less and doing it better than doing more and not doing it well,” Ortberg said. “So we’re in the process of taking an evaluation of the portfolio. It’s something a new CEO always does when you come into a business.”

Most of Boeing’s financial loss in the third quarter of this year came from the company’s commercial airplane business. Beset by safety concerns with its 737 Max aircraft and a labor strike that has halted production at many of its airplane factories, Boeing posted its worst quarterly performance since the height of the COVID pandemic in 2020.

Even before the strike, the Federal Aviation Administration capped Boeing’s production rate for the 737 Max, limiting revenue for the commercial airplane business.

Ortberg didn’t specify any programs that Boeing might consider trimming or canceling, but said the company’s “core” business of commercial airplanes and military systems will stay.

“There are probably some things on the fringe there that we can be more efficient with, or that just distract us from our main goal here. So, more to come on that,” Ortberg said. “I don’t have a specific list of things that we’re going to keep and we’re not going to keep. That’s something for us to evaluate, and the process is underway.”

Kelly Ortberg, Boeing’s new CEO, is pictured in 2016 during his tenure as chief executive of Rockwell Collins.

Kelly Ortberg, Boeing’s new CEO, is pictured in 2016 during his tenure as chief executive of Rockwell Collins. Credit: Daniel Acker/Bloomberg via Getty Images

Apart from technical execution, Ortberg identified Boeing’s errors in cost and risk estimation as other reasons for the company’s poor performance on several fixed-price government contracts, including Starliner.

“We’re not going to be able to just wave the wand and clean up these troubled contracts,” he said. “We signed up to some things that are problematic.”

Ortberg said he is reluctant to ditch all of Boeing’s troubled contracts. “Even if we wanted to, I don’t think we can walk away from these contracts,” he said. “These are our core customers that need this capability. We’ve got long-term commitments to them. So walking away isn’t an answer to this.”

However, Orberg added that Boeing could reassess programs as they shift from one contract phase to the next. NASA’s commercial crew contract with Boeing has a maximum value of $4.6 billion, but that assumes the agency gives Boeing the green light to fly six operational Starliner missions.

So far, NASA has only authorized Boeing to begin detailed preparations for three. The latter half of the commercial crew contract remains a question mark, and could be an opportunity for Boeing to reevaluate the Starliner program without breaking its obligations to NASA. This is especially salient because NASA plans to decommission the International Space Station in 2030, and it’s not clear Boeing could fly all six of its Starliner missions before then while still alternating with SpaceX for crew transportation duties.

“We do have to get into a position where we’ve got a portfolio much more balanced with less risky programs and more profitable programs, and we’re going to be working that,” Ortberg said. “But I don’t think a wholesale walkaway is in the cards.”

This statement makes it sound like Boeing isn’t going to pull the plug on Starliner immediately. Still, Boeing hasn’t laid out its specific plans for Starliner, or even confirmed its intention to keep working on the program. This is puzzling.

Saying nothing

Ortberg was not asked about Starliner in Wednesday’s investor call. After the call, Ars asked a Boeing spokesperson if the company still has a long-term commitment to the Starliner program. The spokesperson replied that the company has nothing to share on the topic.

The Starliner test flight this year was supposed to pave the way for NASA to officially certify the Boeing crew capsule to begin flying in a slate of up to six operational crew rotation flights to the space station. Once certified, Boeing will become NASA’s second crew transportation provider alongside SpaceX, which has now launched nine operational crew missions for NASA, plus a handful more all-private astronaut missions.

NASA still wants to certify Boeing’s Starliner spacecraft to provide the agency with a second commercial option for getting astronauts into orbit. A fundamental goal set out for NASA’s commercial crew program more than a decade ago was to develop two dissimilar human-rated transportation systems for access to low-Earth orbit. The idea here is competition will drive down costs, and NASA will have a backup option if one of the commercial crew providers runs into difficulties.

However, NASA has not announced whether it will require Boeing to complete another test flight to achieve the certification milestone with Starliner. NASA is looking at slots to fly an unpiloted Starliner spacecraft on a cargo mission to the space station next year, perhaps to verify modifications to the ship’s propulsion system really fix the problems discovered on the test flight this year.

NASA is making moves while assuming Boeing will stay in the game. Astronauts are still assigned to train for the first operational Starliner mission, although it’s not likely to happen until the end of next year or in 2026. Earlier this month, NASA announced SpaceX will launch a four-person crew to the International Space Station no earlier than July of next year, taking a slot that the agency once hoped Boeing would use.

Bill Nelson, NASA’s administrator, told reporters in late August that he received assurances from Ortberg that Boeing intends to “move forward and fly Starliner in the future.” At the time, Ortberg was just a couple of weeks into his tenure at Boeing.

Two months later, Nelson’s secondhand assertion is still all we have.

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

Boeing is still bleeding money on the Starliner commercial crew program Read More »

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After seeing hundreds of launches, SpaceX’s rocket catch was a new thrill

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For a few moments, my viewing angle made it look like the rocket was coming right at me.

Coming in for the catch. Credit: Stephen Clark/Ars Technica

BOCA CHICA BEACH, Texas—I’ve taken some time to process what happened on the mudflats of South Texas a little more than a week ago and relived the scene in my mind countless times.

With each replay, it’s still as astonishing as it was when I saw it on October 13, standing on an elevated platform less than 4 miles away. It was surreal watching SpaceX’s enormous 20-story-tall Super Heavy rocket booster plummeting through the sky before being caught back at its launch pad by giant mechanical arms.

This is the way, according to SpaceX, to enable a future where it’s possible to rapidly reuse rockets, not too different from the way airlines turn around their planes between flights. This is required for SpaceX to accomplish the company’s mission, set out by Elon Musk two decades ago, of building a settlement on Mars.

Of course, SpaceX’s cameras got much better views of the catch than mine. This is one of my favorite video clips.

The final phase of Super Heavy’s landing burn used the three center Raptor engines to precisely steer into catch position pic.twitter.com/BxQbOmT4yk

— SpaceX (@SpaceX) October 14, 2024

In the near-term future, regularly launching and landing Super Heavy boosters, and eventually the Starship upper stage that goes into orbit, will make it possible for SpaceX to achieve the rapid-fire launch cadence the company needs to fulfill its contracts with NASA. The space agency is paying SpaceX roughly $4 billion to develop a human-rated version of Starship to land astronauts on the Moon under the umbrella of the Artemis program.

To make that happen, SpaceX must launch numerous Starship tankers over the course of a few weeks to a few months to refuel the Moon-bound Starship lander in low-Earth orbit. Rapid reuse is fundamental to the lunar lander architecture NASA chose for the first two Artemis landing missions.

SpaceX, which is funding most of Starship’s development costs, says upgraded versions will be capable of hauling 200 metric tons of payload to low-Earth orbit while flying often at a relatively low cost. This would unlock innumerable other potential applications for the US military and commercial industry.

Here’s a sampling of the photos I captured of SpaceX’s launch and catch, followed by the story of how I got them.

The fifth full-scale test flight of SpaceX’s new-generation Starship rocket lifted off from South Texas at sunrise Sunday morning. Stephen Clark/Ars Technica

Some context

I probably spent too much time watching last week’s flight through my camera’s viewfinder, but I suspect I’ll see it many more times. After all, SpaceX wants to make this a routine occurrence, more common than the landings of the smaller Falcon 9 booster now happening several times per week.

Nine years ago, I watched from 7 miles away as SpaceX landed a Falcon 9 for the first time. This was the closest anyone not directly involved in the mission could watch as the Falcon 9’s first stage returned to Cape Canaveral Space Force Station in Florida, a few minutes after lifting off with a batch of commercial communications satellites.

Citing safety concerns, NASA and the US Air Force closed large swaths of the spaceport for the flight. Journalists and VIPs were kept far away, and the locations on the base where employees or special guests typically watch a launch were off-limits. The landing happened at night and played out like a launch in reverse, with the Falcon 9 booster settling to a smooth touchdown on a concrete landing pad a few miles from the launch site.

The Falcon 9 landing on December 21, 2015, came after several missed landings on SpaceX’s floating offshore drone ship. With the Super Heavy booster, SpaceX nailed the catch on the first try.

The catch method means the rocket doesn’t need to carry landing legs, as the Falcon 9 does. This reduces the rocket’s weight and complexity, and theoretically reduces the amount of time and money needed to prepare the rocket to fly again.

I witnessed the first catch of SpaceX’s Super Heavy booster last week from just outside the restricted zone around the company’s sprawling Starbase launch site in South Texas. Deputies from the local sheriff’s office patrolled the area to ensure no one strayed inside the keep-out area and set up roadblocks to turn away anyone who wasn’t supposed to be there.

The launch was early in the morning, so I arrived late the night before at a viewing site run by Rocket Ranch, a campground that caters to SpaceX fans seeking a front-row seat to the goings-on at Starbase. Some SpaceX employees, several other reporters, and media photographers were there, too.

There are other places to view a Starship launch. Condominium and hotel towers on South Padre Island roughly 6 miles from the launch pad, a little farther than my post, offer commanding aerial views of Starbase, which is situated on Boca Chica Beach a few miles north of the US-Mexico border. The closest publicly accessible place to watch a Starship launch is on the south shore of the mouth of the Rio Grande River, but if you’re coming from the United States, getting there requires crossing the border and driving off-road.

People gather at the Rocket Ranch viewing site near Boca Chica Beach, Texas, before the third Starship test flight in March.

People gather at the Rocket Ranch viewing site near Boca Chica Beach, Texas, before the third Starship test flight in March. Credit: Brandon Bell/Getty Images

I chose a location with an ambiance somewhere in between the hustle and bustle of South Padre Island and the isolated beach just across the border in Mexico. The vibe on the eve of the launch had the mix of a rave and a pilgrimage of SpaceX true believers.

A laser light show projected the outline of a Starship against a tree as uptempo EDM tracks blared from speakers. Meanwhile, dark skies above revealed cosmic wonders invisible to most city dwellers, and behind us, the Rio Grande inexorably flowed toward the sea. Those of us who were there to work got a few hours of sleep, but I’m not sure I can say the same for everyone.

At first light, a few scattered yucca plants sticking up from the chaparral were the only things between us and SpaceX’s sky-scraping Starship rocket on the horizon. We got word the launch time would slip 25 minutes. SpaceX chose the perfect time to fly, with a crystal-clear sky hued by the rising Sun.

First, you see it

I was at Starbase for all four previous Starship test flights and have covered more than 300 rocket launches in person. I’ve been privileged to witness a lot of history, but after hundreds of launches, some of the novelty has worn off. Don’t get me wrong—I still feel a lump in my throat every time I see a rocket leave the planet. Prelaunch jitters are a real thing. But I no longer view every launch as a newsworthy event.

October 13 was different.

Those prelaunch anxieties were present as SpaceX counted off the final seconds to liftoff. First, you see it. A blast of orange flashed from the bottom of the gleaming, frosty rocket filled with super-cold propellants. Then, the 11 million-pound vehicle began a glacial climb from the launch pad. About 20 seconds later, the rumble from the rocket’s 33 methane-fueled engines reached our location.

Our viewing platform shook from the vibrations for over a minute as Starship and the Super Heavy booster soared into the stratosphere. Two-and-a-half minutes into the flight, the rocket was just a point of bluish-white light as it accelerated east over the Gulf of Mexico.

Another burst of orange encircled the rocket during the so-called hot-staging maneuver, when the Starship upper stage lit its engines at the moment the Super Heavy booster detached to begin the return to Starbase. Flying at the edge of space more than 300,000 feet over the Gulf, the booster flipped around and fired its engines to cancel out its downrange velocity and propel itself back toward the coastline.

The engines shut down, and the booster plunged deeper into the atmosphere. Eventually, the booster transformed from a dot in the sky back into the shape of a rocket as it approached Starbase at supersonic speed. The rocket’s velocity became more evident as it got closer. For a few moments, my viewing angle made it look like the rocket—bigger than the fuselage of a 747 jumbo jet—was coming right at me.

The descending booster zoomed through the contrail cloud it left behind during launch, then reappeared into clear air. With the naked eye, I could see a glow inside the rocket’s engine bay as it dived toward the launch pad, presumably from heat generated as the vehicle slammed into ever-denser air on the way back to Earth. This phenomenon made the rocket resemble a lit cigar.

Finally, the rocket hit the brakes by igniting 13 of its 33 engines, then downshifted to three engines for the final maneuver to slide in between the launch tower’s two catch arms. Like balancing a pencil on the tip of your finger, the Raptor engines vectored their thrust to steady the booster, which, for a moment, appeared to be floating next to the tower.

The Super Heavy booster, more than 20 stories tall, rights itself over the launch pad in Texas, moments before two mechanical arms grabbed it in mid-air.

Credit: Stephen Clark/Ars Technica

The Super Heavy booster, more than 20 stories tall, rights itself over the launch pad in Texas, moments before two mechanical arms grabbed it in mid-air. Credit: Stephen Clark/Ars Technica

A double-clap sonic boom jolted spectators from their slack-jawed awe. Only then could we hear the roar from the start of the Super Heavy booster’s landing burn. This sound reached us just as the rocket settled into the grasp of the launch tower, with its so-called catch fittings coming into contact with the metallic beams of the catch arms.

The engines switched off, and there it was. Many of the spectators lucky enough to be there jumped up and down with joy, hugged their friends, or let out an ecstatic yell. I snapped a few final photos and returned to his laptop, grinning, speechless, and started wondering how I could put this all into words.

Once the smoke cleared, at first glance, the rocket looked as good as new. There was no soot on the outside of the booster, as it is on the Falcon 9 rocket after returning from space. This is because the Super Heavy booster and Starship use cleaner-burning methane fuel instead of kerosene.

Elon Musk, SpaceX’s founder and CEO, later said the outer ring of engine nozzles on the bottom of the rocket showed signs of heating damage. This, he said, would be “easily addressed.”

What’s not so easy to address is how SpaceX can top this. A landing on the Moon or Mars? Sure, but realistically, those milestones are years off. There’s something that’ll happen before then.

Sometime soon, SpaceX will try to catch a Starship back at the launch pad at the end of an orbital flight. This will be an extraordinarily difficult feat, far exceeding the challenge of catching the Super Heavy booster.

Super Heavy only reaches a fraction of the altitude and speed of the Starship upper stage, and while the booster’s size and the catch method add degrees of difficulty, the rocket follows much the same up-and-down flight profile pioneered by the Falcon 9. Starship, on the other hand, will reenter the atmosphere from orbital velocity, streak through the sky surrounded by super-heated plasma, then shift itself into a horizontal orientation for a final descent SpaceX likes to call the “belly flop.”

In the last few seconds, Starship will reignite three of its engines, flip itself vertical, and come down for a precision landing. SpaceX demonstrated the ship could do this on the test flight last week, when the vehicle made a controlled on-target splashdown in the Indian Ocean after traveling halfway around the world from Texas.

If everything goes according to plan, SpaceX could be ready to try to catch a Starship for real next year. Stay tuned.

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

After seeing hundreds of launches, SpaceX’s rocket catch was a new thrill Read More »

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Biden administration curtails controls on some space-related exports

Commercial space, Export controls, ITAR, national security, Science, Space / /

The US Commerce Department announced Thursday it is easing restrictions on exports of space-related technology, answering a yearslong call from space companies to reform regulations governing international trade.

This is the most significant update to space-related export regulations in a decade and opens more opportunities for US companies to sell their satellite hardware abroad.

“We are very excited about this rollout,” a senior Commerce official said during a background call with reporters. “It’s been a long time coming, and I think it’s going to be very meaningful for our national security and foreign policy interests and certainly facilitate secure trade with our partners.”

Overdue reform

One of the changes will allow US companies to export more products related to electro-optical and radar remote sensing, as well as space-based logistics, assembly, or servicing spacecraft destined for Australia, Canada, and the United Kingdom.

“They’re easing restrictions on some of the less sensitive space-related technologies and on spacecraft-related items going to our closest allies, like Australia, Canada, and the UK,” the senior Commerce official said. “These changes will offer relief to US companies and they’ll increase innovation without comprising the critical technologies that keep our nation safe.”

Another update to the Commerce Department’s regulations will remove license requirements for exports of “certain spacecraft components” to more than 40 allied nations, including NATO and European Union member states, Argentina, Australia, Canada, India, Israel, Japan, Mexico, New Zealand, Singapore, South Africa, South Korea, and Taiwan. This will also create more license exceptions to support NASA’s cooperative programs with other nations, officials said.

A third change, which hasn’t been finalized and must go through a public comment period, proposes to transfer some space-related item—spacecraft capable of in-space docking, grappling, and refueling, autonomous collision avoidance, and autonomous detection of ground vehicles and aircraft—from the highly restrictive State Department’s US Munitions List to the more flexible Commerce Control List.

Biden administration curtails controls on some space-related exports Read More »

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Starship is about to launch on its fifth flight, and this time there’s a catch

Commercial space, launch, Science, Space, spacex, Starbase, starship, texas / /

“We landed with half a centimeter accuracy in the ocean, so we think we have a reasonable chance to come back to the tower,” Gerstenmaier said.

Launch playbook

The Starship upper stage, meanwhile, will light six Raptor engines to accelerate to nearly orbital velocity, giving the rocket enough oomph to coast halfway around the world before falling back into the atmosphere over the Indian Ocean.

This is a similar trajectory to the one Starship flew in June, when it survived a fiery reentry for a controlled splashdown. It was the first time SpaceX completed an end-to-end Starship test flight. Onboard cameras showed fragments of the heat shield falling off Starship when it reentered the atmosphere, but the vehicle maintained control and reignited its Raptor engines, flipped from a horizontal to a vertical orientation, and settled into the Indian Ocean northwest of Australia.

After analyzing the results from the June mission, SpaceX engineers decided to rework the heat shield for the next Starship vehicle. The company said its technicians spent more than 12,000 hours replacing the entire thermal protection system with new-generation tiles, a backup ablative layer, and additional protections between the ship’s flap structures.

From start to finish, Sunday’s test flight should last approximately 1 hour and 5 minutes.

This diagram illustrates the path the Super Heavy booster will take to return to the launch pad in Texas, while the Starship upper stage continues the climb to space.

Credit: SpaceX

This diagram illustrates the path the Super Heavy booster will take to return to the launch pad in Texas, while the Starship upper stage continues the climb to space. Credit: SpaceX

Here’s an overview of the key events during Sunday’s flight:

• T+00: 00: 02: Liftoff

• T+00: 01: 02: Maximum aerodynamic pressure

• T+00: 02: 33: Super Heavy MECO (most engines cut off)

• T+00: 02: 41: Stage separation and ignition of Starship engines

• T+00: 02: 48: Super Heavy boost-back burn start

• T+00: 03: 41: Super Heavy boost-back burn shutdown

• T+00: 03: 43: Hot staging ring jettison

• T+00: 06: 08: Super Heavy is subsonic

• T+00: 06: 33: Super Heavy landing burn start

• T+00: 06: 56: Super Heavy landing burn shutdown and catch attempt

• T+00: 08: 27: Starship engine cutoff

• T+00: 48: 03: Starship reentry

• T+01: 02: 34: Starship is transonic

• T+01: 03: 43: Starship is subsonic

• T+01: 05: 15: Starship landing flip

• T+01: 05: 20: Starship landing burn

• T+01: 05: 34: Starship splashdown in Indian Ocean

SpaceX officials hope to see Starship’s heat shield stay intact as it dips into the atmosphere, when temperatures will reach 2,600° Fahrenheit (1,430° Celsius), hot enough to melt aluminum, the metal used to build many launch vehicles. SpaceX chose stainless steel for Starship because it strong at cryogenic temperatures—the rocket consumes super-cold fuel and oxidizer—and has a higher melting point than aluminum.

Starship is about to launch on its fifth flight, and this time there’s a catch Read More »

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SpaceX’s next Starship launch—and first catch—could happen this weekend

Commercial space, Federal Aviation Administration, launch, Science, Space, spacex, Starbase, starship / /

The FAA is still reviewing plans for the fifth Starship test flight, but could approve it soon.

SpaceX’s fully-stacked Super Heavy booster and Starship upper stage at the company’s launch site in South Texas. Credit: SpaceX

We may not have to wait as long as we thought for the next test flight of SpaceX’s Starship rocket.

The world’s most powerful launcher could fly again as soon as Sunday, SpaceX says, assuming the Federal Aviation Administration grants approval. The last public statement released from the FAA suggested the agency didn’t expect to determine whether to approve a commercial launch license for SpaceX’s next Starship test flight before late November.

There’s some optimism at SpaceX that the FAA might issue a launch license much sooner, perhaps in time for Starship to fly this weekend. The launch window Sunday opens at 7 am CDT (8 am EDT; 12: 00 UTC), about a half-hour before sunrise at SpaceX’s Starbase launch site in South Texas.

“The fifth flight test of Starship will aim to take another step towards full and rapid reusability,” SpaceX wrote in an update posted on its website. “The primary objectives will be attempting the first ever return to launch site and catch of the Super Heavy booster and another Starship reentry and landing burn, aiming for an on-target splashdown of Starship in the Indian Ocean.”

Stacked together, the Super Heavy booster, or first stage, and the Starship upper stage stand nearly 400 feet (121 meters) tall. The Super Heavy booster—itself bigger than the fuselage of a 747 jumbo jet—will vertically return to the Starbase launch pad guided by cold gas thrusters, aerodynamic grid fins, and propulsive maneuvers with its methane-fueled Raptor engines.

Once the booster’s Raptor engines slow it to a hover, mechanical arms on the launch pad tower will close in around the rocket and capture it in midair. If you’re into rockets, or just want to spice up your morning, you don’t want to miss this. We’ll have a more detailed story before the launch previewing the timeline of events.

Safety measures

The FAA has been reviewing SpaceX’s plans to bring the Super Heavy booster back to the Starbase launch pad for months.

Most recently, the agency’s review of SpaceX’s proposed flight plan has focused on the effects of the rocket’s sonic boom as it comes back to Earth. The FAA and other agencies are also studying how a disposable section of the booster, called a hot-staging ring, might impact the environment when it falls into the sea just offshore from Starbase, located on the Gulf Coast east of Brownsville.

During SpaceX’s most recent Starship test flight in June, the Super Heavy booster completed a control descent to a predetermined location in the Gulf of Mexico, giving engineers enough confidence to try a return to the launch site on the next mission.

SpaceX protested the length of time the FAA said it needed to review the flight plan, after the federal regulator previously told SpaceX it expected to make a license determination in September.

“Unfortunately, instead of focusing resources on critical safety analysis and collaborating on rational safeguards to protect both the public and the environment, the licensing process has been repeatedly derailed by issues ranging from the frivolous to the patently absurd,” SpaceX wrote in a statement last month.

“I think the two-month delay is necessary to comply with the launch requirements, and I think that’s an important part of safety culture,” said Michael Whitaker, the FAA administrator, in a congressional hearing September 24.

The FAA is responsible for ensuring commercial space launches do not endanger the public and comport with the US government’s national security and foreign policy interests. Earlier this year, SpaceX was also fined by the Texas Commission on Environmental Quality and the Environmental Protection Agency for alleged violations of environmental regulations related to the launch pad’s water system, which cools a steel flame deflector under the 33 main engines of Starship’s Super Heavy booster.

Ars contacted an FAA spokesperson Tuesday about the status of the agency’s review of the Starship launch license request, but did not receive a response.

Artist’s illustration of SpaceX’s Super Heavy booster coming in for a catch by the launch pad’s mechanical arms.

Credit: SpaceX

Artist’s illustration of SpaceX’s Super Heavy booster coming in for a catch by the launch pad’s mechanical arms. Credit: SpaceX

Teams at Starbase completed two partial propellant loading tests on the fully stacked Starship rocket in recent days. Early Tuesday, SpaceX tested the water deluge system at the launch pad two times, presumably to check the system’s ability to activate minutes apart to protect the pad during launch and recovery of the Super Heavy booster.

Later Tuesday, SpaceX removed the Starship upper stage from the Super Heavy booster. This is required for technicians to perform one of the final tasks to prepare for launch—installing the rocket’s flight termination system, which would destroy the rocket if it veers off course.

“We accept no compromises when it comes to ensuring the safety of the public and our team, and the return will only be attempted if conditions are right,” SpaceX said.

SpaceX outlined additional human-in-the-loop safety criteria for the upcoming Starship flight. SpaceX launches are typically fully automated from liftoff through the end of the mission.

“Thousands of distinct vehicle and pad criteria must be met prior to a return and catch attempt of the Super Heavy booster, which will require healthy systems on the booster and tower and a manual command from the mission’s flight director,” SpaceX wrote. “If this command is not sent prior to the completion of the boostback burn, or if automated health checks show unacceptable conditions with Super Heavy or the tower, the booster will default to a trajectory that takes it to a landing burn and soft splashdown in the Gulf of Mexico.”

Recovering the Super Heavy booster back at the launch pad is critical for SpaceX’s ambition to rapidly reuse the rocket. Eventually, SpaceX will also recover and reuse the Starship portion of the rocket, but for now, the company is sticking to water landings for the ship.

Extensive upgrades

SpaceX teams in Texas have beefed up the launch tower and catch arms in the last few months, working around the clock to add structural stiffeners and test the arms’ load-carrying capability.

“Extensive upgrades ahead of this flight test have been made to hardware and software across Super Heavy, Starship, and the launch and catch tower infrastructure at Starbase,” SpaceX said. “SpaceX engineers have spent years preparing and months testing for the booster catch attempt, with technicians pouring tens of thousands of hours into building the infrastructure to maximize our chances for success.”

It will take about seven minutes for the Super Heavy booster to climb to the edge of space, separate from the Starship upper stage, and return to Starbase for recovery. While the booster comes back to the ground, Starship will fire its six engines to accelerate to near orbital velocity, fast enough to complete a half-lap around Earth before gravity pulls it toward an atmospheric reentry over the Indian Ocean.

This is a similar trajectory to the one Starship flew in June, when it survived a fiery reentry for a controlled splashdown. It was the first time SpaceX completed an end-to-end Starship test flight.

After analyzing the results from the June mission, SpaceX engineers decided to rework the heat shield for the next Starship vehicle. The company said its technicians spent more than 12,000 hours replacing the entire thermal protection system with new-generation tiles, a backup ablative layer, and additional protections between the ship’s flap structures.

Onboard cameras showed fragments of the heat shield falling off Starship when it reentered the atmosphere in June.

“This massive effort, along with updates to the ship’s operations and software for reentry and landing burn, will look to improve upon the previous flight and bring Starship to a soft splashdown at the target area in the Indian Ocean,” SpaceX said.

Starship won’t attempt to reignite its Raptor engines in space on the upcoming test flight. This is one of the next things SpaceX needs to demonstrate for Starship to soar into a stable orbit around Earth and guide itself to a controlled reentry to ensure it doesn’t become stranded in space or fall over a populated area. SpaceX wanted to relight a Raptor engine in space on Starship’s third test flight in March, but aborted the maneuver.

The business end of Starship’s Super Heavy booster during a launch in March.

Credit: SpaceX

The business end of Starship’s Super Heavy booster during a launch in March. Credit: SpaceX

Once Starship is able to sustain a flight in low-Earth orbit, SpaceX can begin experiments with in-space refueling, which is required to support future Starship flights to the Moon, Mars, and other deep space destinations. Starship is a foundational element of SpaceX’s vision to create a settlement on the red planet.

NASA has a contract with SpaceX to develop a human-rated Starship to land astronauts on the Moon as part of the agency’s Artemis program. NASA’s official schedule calls for the first Artemis crew landing in September 2026. Realistically, the landing will probably happen later in the decade because the Starship lander and new lunar spacesuits likely won’t be ready in two years.

Starships will likely fly many dozens of times, if not more, before NASA approves it to land astronauts on the Moon. These flights will test the rocket’s ability to repeatedly and reliably fly to space and back, transfer cryogenic propellants in orbit, and safely land on the lunar surface without a crew.

As we’ve seen with SpaceX’s workhorse Falcon 9 rocket, rapidly reusing elements of a launch vehicle can enable rapid-fire launch cadences. Validating the architecture for recovering the Super Heavy booster directly on the launch pad, as SpaceX intends to do quite soon, is a key step on this path.

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

SpaceX’s next Starship launch—and first catch—could happen this weekend Read More »