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SpaceX sends Starship heat shield “bakery” to Boca Chica

(NASASpaceflight - bocachicagal)

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At the same time as SpaceX is assembling hardware and manufacturing dozens of Raptor engines for Starship’s inaugural orbital test flight, it’s also preparing for what will follow.

Last week, a local photographer captured photos of one of the many dozens of deliveries that arrive at SpaceX’s Boca Chica Starship factory every month – notable this time around because of package labels that reference a “heat shield” and “mini bakery.” In any other case, it would’ve been just another nondescript delivery – likely carrying the latest batch of the ceramic Starship heat shield tiles SpaceX currently manufactures in Cocoa Beach and Cape Canaveral, Florida.

However, as the photographer (@StarshipGazer) that captured the images noted, that Florida Starship heat shield factory just so happens to be colloquially known as “The Bakery” by the SpaceX team that runs it.

As the nickname would suggest, The Bakery is one of two main Florida-based facilities tasked with turning raw materials into the black, hexagonal heat shield tiles that have begun to spread across the exterior of Starship prototypes. The June 7th delivery of a “mini bakery” strongly implies that SpaceX has now begun to build out some limited capacity for heat shield tile production at Boca Chica itself – under the main Starship factory roof, in other words.

While the number of tiles present has only really begun to grow in the last six or so months, SpaceX has been building, testing, and refining Starship’s heat shield technology for more than two years. SpaceX’s custom-built ceramic tiles made their first public appearances in July and August 2019, first launching into orbit on a Cargo Dragon spacecraft and later tagging along on Starhopper’s spectacular 150m (~500 ft) hop a few weeks later. Dragon went on to reenter and splash down in the Pacific Ocean without issue about a month later, effectively marking the first successful orbital reentry of (part of) a Starship heat shield.

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With Starship SN8 heralding the arrival of full-size prototype flight tests in the last few months of 2020, SpaceX began to substantially increase the number of tiles installed on Starships, jumping from a handful to hundreds within a few months. Although Starship SN15’s successful May 5th, 2021 launch and landing likely means it will never fly, Starship SN16 was outfitted with more than a thousand tiles (and SN15 flew with almost as many). While those tiles have essentially zero experience acting as a heat shield on Starship prototypes, launching them on suborbital test flights still subjects those heat shield installations to major thermal and mechanical stresses similar to (or worse than) what Starship will need to withstand during launch and after reentry.

Given that at least a few of the ceramic tiles installed on each prototype have invariably shattered at some point during testing, it’s unclear exactly how successful those coupon tests have been. Unlike the Space Shuttle, which also relied almost exclusively on catastrophically fragile ceramic heat shield tiles, Starship’s tiles are mounted directly to its hull and that hull is made out of steel instead of an aluminum frame. In theory, Starship’s structure can thus withstand – and remain functional – at temperatures approaching 800°C (1500°F), whereas the Shuttle’s heat shield had to keep the vehicle’s aluminum structure below ~180°C (360°F).

Of course, Starship has yet to even attempt to survive an orbital-velocity reentry with some 10,000 ceramic heat shield tiles mounted directly to its steel skin. If successful, SpaceX’s ultra-simple design could give Starship massive advantages over the Shuttle, which ultimately proved to be more dangerous than traditional crew capsules and about as expensive as a similarly capable expendable rocket. But Starship’s heat shield has its work cut out for it to prove that the vast spacecraft is truly up to the challenge of orbital reentry and safe, reliable reuse.

Eric Ralph is Teslarati's senior spaceflight reporter and has been covering the industry in some capacity for almost half a decade, largely spurred in 2016 by a trip to Mexico to watch Elon Musk reveal SpaceX's plans for Mars in person. Aside from spreading interest and excitement about spaceflight far and wide, his primary goal is to cover humanity's ongoing efforts to expand beyond Earth to the Moon, Mars, and elsewhere.

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Tesla’s northernmost Supercharger in North America opens

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Credit: Tesla

Tesla has opened its northernmost Supercharger in Fairbanks, Alaska, with eight V4 stalls located in one of the most frigid cities in the U.S.

Located just 196 miles from the Arctic Circle, Fairbanks’s average temperature for the week was around -12 degrees Fahrenheit. However, there are plenty of Tesla owners in Alaska who have been waiting for more charging options out in public.

There are only 36 total Supercharger stalls in Alaska, despite being the largest state in the U.S.

Eight Superchargers were added to Fairbanks, which will eventually be a 48-stall station. Tesla announced its activation today:

The base price per kWh is $0.43 at the Fairbanks Supercharger. Thanks to its V4 capabilities, it can charge at speeds up to 325 kW.

Despite being the northernmost Supercharger in North America, it is not even in the Top 5 northernmost Superchargers globally, because Alaska is south of Norway. The northernmost Supercharger is in Honningsvåg, Norway. All of the Top 5 are in the Scandanavian country.

Tesla’s Supercharger expansion in 2025 has been impressive, and although it experienced some early-quarter slowdowns due to V3-to-V4 hardware transitions, it has been the company’s strongest year for deployments.

Through the three quarters of 2025, the company has added 7,753 stations and 73,817 stalls across the world, a 16 percent increase in stations and an 18 percent increase in stalls compared to last year.

Tesla is on track to add over 12,000 stalls for the full year, achieving an average of one new stall every hour, an impressive statistic.

Recently, the company wrapped up construction at its Supercharger Oasis in Lost Hills, California, a 168-stall Supercharger that Tesla Solar Panels completely power. It is the largest Supercharger in the world.

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Tesla hints toward Premium Robotaxi offering with Model S testing

Why Tesla has chosen to use a couple of Model S units must have a reason; the company is calculated in its engineering and data collection efforts, so this is definitely more than “we just felt like giving our drivers a change of scenery.”

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Credit: Sawyer Merritt | X

Tesla Model S vehicles were spotted performing validation testing with LiDAR rigs in California today, a pretty big switch-up compared to what we are used to seeing on the roads.

Tesla utilizes the Model Y crossover for its Robotaxi fleet. It is adequately sized, the most popular vehicle in its lineup, and is suitable for a wide variety of applications. It provides enough luxury for a single rider, but enough room for several passengers, if needed.

However, the testing has seemingly expanded to one of Tesla’s premium flagship offerings, as the Model S was spotted with the validation equipment that is seen entirely with Model Y vehicles. We have written several articles on Robotaxi testing mules being spotted across the United States, but this is a first:

Why Tesla has chosen to use a couple of Model S units must have a reason; the company is calculated in its engineering and data collection efforts, so this is definitely more than “we just felt like giving our drivers a change of scenery.”

It seems to hint that Tesla could add a premium, more luxury offering to its Robotaxi platform eventually. Think about it: Uber has Uber Black, Lyft has Lyft Black. These vehicles and services are associated with a more premium cost as they combine luxury models with more catered transportation options.

Tesla could be testing the waters here, and it could be thinking of adding the Model S to its fleet of ride-hailing vehicles.

Reluctant to remove the Model S from its production plans completely despite its low volume contributions to the overall mission of transitioning the world to sustainable energy, the flagship sedan has always meant something. CEO Elon Musk referred to it, along with its sibling Model X, as continuing on production lines due to “sentimental reasons.”

However, its purpose might have been expanded to justify keeping it around, and why not? It is a cozy, premium offering, and it would be great for those who want a little more luxury and are willing to pay a few extra dollars.

Of course, none of this is even close to confirmed. However, it is reasonable to speculate that the Model S could be a potential addition to the Robotaxi fleet. It’s capable of all the same things the Model Y is, but with more luxuriousness, and it could be the perfect addition to the futuristic fleet.

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Rivian unveils self-driving chip and autonomy plans to compete with Tesla

Rivian, a mainstay in the world of electric vehicle startups, said it plans to roll out an Autonomy+ subscription and one-time purchase program, priced at $49.99 per month and $2,500 up front, respectively, for access to its self-driving suite.

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Credit: Rivian

Rivian unveiled its self-driving chip and autonomy plans to compete with Tesla and others at its AI and Autonomy Day on Thursday in Palo Alto, California.

Rivian, a mainstay in the world of electric vehicle startups, said it plans to roll out an Autonomy+ subscription and one-time purchase program, priced at $49.99 per month and $2,500 up front, respectively, for access to its self-driving suite.

CEO RJ Scaringe said it will learn and become more confident and robust as more miles are driven and it gathers more data. This is what Tesla uses through a neural network, as it uses deep learning to improve with every mile traveled.

He said:

“I couldn’t be more excited for the work our teams are driving in autonomy and AI. Our updated hardware platform, which includes our in-house 1600 sparse TOPS inference chip, will enable us to achieve dramatic progress in self-driving to ultimately deliver on our goal of delivering L4. This represents an inflection point for the ownership experience – ultimately being able to give customers their time back when in the car.”

At first, Rivian plans to offer the service to personally-owned vehicles, and not operate as a ride-hailing service. However, ride-sharing is in the plans for the future, he said:

“While our initial focus will be on personally owned vehicles, which today represent a vast majority of the miles to the United States, this also enables us to pursue opportunities in the rideshare space.”

The Hardware

Rivian is not using a vision-only approach as Tesla does, and instead will rely on 11 cameras, five radar sensors, and a single LiDAR that will face forward.

It is also developing a chip in-house, which will be manufactured by TSMC, a supplier of Tesla’s as well. The chip will be known as RAP1 and will be about 50 times as powerful as the chip that is currently in Rivian vehicles. It will also do more than 800 trillion calculations every second.

RAP1 powers the Autonomy Compute Module 3, known as ACM3, which is Rivian’s third-generation autonomy computer.

ACM3 specs include:

  • 1600 sparse INT8 TOPS (Trillion Operations Per Second).
  • The processing power of 5 billion pixels per second.
  • RAP1 features RivLink, a low-latency interconnect technology allowing chips to be connected to multiply processing power, making it inherently extensible.
  • RAP1 is enabled by an in-house developed AI compiler and platform software

As far as LiDAR, Rivian plans to use it in forthcoming R2 cars to enable SAE Level 4 automated driving, which would allow people to sit in the back and, according to the agency’s ratings, “will not require you to take over driving.”

More Details

Rivian said it will also roll out advancements to the second-generation R1 vehicles in the near term with the addition of UHF, or Universal Hands-Free, which will be available on over 3.5 million miles of roadway in the U.S. and Canada.

Rivian will now join the competitive ranks with Tesla, Waymo, Zoox, and others, who are all in the race for autonomy.

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