

News
SpaceX Falcon 9 booster sails into port after historic third launch and landing
Although a sister rocket did not fare nearly as well during a separate landing attempt 48 hours later, SpaceX Falcon 9 Block 5 booster B1046 nailed its third successful launch and landing on December 3rd and arrived in Port of Los Angeles a bit less than 48 hours later.
Greeting the rocket after its milestone third reuse was a rare Los Angeles rainstorm, lending a lovely reflective sheen to all uncovered surfaces as low clouds and an obscured sun bathed everything in a stark and uniform off-white light.
That’s one scorched booster, still standing on JRTI at the moment, in the rain. B1046.3 arrived back at port earlier this morning after launching and landing for the 3rd time during the SSO-A mission. What. A. Sight. #spacex pic.twitter.com/EhHY9HK9cD
— Pauline Acalin (@w00ki33) December 5, 2018
It is difficult to conceive of a set of conditions that might serve to better emphasize the well-worn patina of soot and charring now fully covering the once-shiny white exterior of B1046’s fuel and oxidizer tanks, a sort of literal badge of honor for the three orbital-class launches the booster has now supported in the last six months. Functionally speaking, cleaning a Falcon 9 booster from top to bottom would be an unbelievably tedious, time-consuming, and largely pointless task, requiring careful spot-cleaning of something like 400 square meters (4300 square feet).

While SpaceX did repaint recovered Falcon 9 boosters a handful of times around the start of commercial reflights, it always served more of an aesthetic purpose over anything seriously utilitarian. Furthermore, aerospace-grade paint like that used by SpaceX is quite heavy potentially weighing several hundred kilograms per booster and requiring a week at minimum to fully apply a new coat. Some followers like to point out the lost benefits of Falcon 9’s reflective white paint, serving as a mild thermal insulator for Falcon 9’s tanks when filled with supercool propellant. While it certainly exists, the additional heating induced by soot coatings is completely negligible for Falcon 9, which is constantly topped off with chilled propellant prior to launch.
As such, sooty boosters will be around as long as the kerolox-power Falcon family remains in operation. Not too long from now, shiny new Falcon rockets will likely be as rare as the expendable rocket launches they partially represent – the launch vehicles of the future will be rugged workhorses more comparable to the 737s that fill the ranks of airliner fleets than to single-use works of art. Nevertheless, soot is by no means an innate feature of rockets, reusable or otherwise, instead deriving from Falcon 9’s pragmatic choice of kerosene as fuel – soot is simply an inevitable byproduct of kerosene combustion.
- Falcon 9 B1049 lifts off for the first time at SpaceX’s LC-40 pad in September 2018. (Teslarati)
- B1048 bares its sooty skin the morning before launch. (Pauline Acalin)
- A gif of Raptor throttling over the course of a 90+ second static-fire test in McGregor, Texas. (SpaceX)
- SpaceX’s subscale Raptor engine has completed more than 1200 seconds of testing in less than two years. (SpaceX)
A long and sooty future
Whenever it begins flying, the sole byproducts of the combustion of BFR/Starlink/Super Heavy’s methane-oxygen (methalox) propellant are water vapor and carbon dioxide, although true methane supplies will inevitably have slight impurities and thus cause the negligible production of some less pleasant byproducts. Raptor, the methalox rocket engine that will power BFR, has been performing hot-fire tests for more than two years, and the sheer differences between the exhaust of Merlin and Raptor are a striking example of the different chemistries at work. As a result of much cleaner combustion, BFR may produce no soot byproducts whatsoever – enjoy it while it lasts!
In the meantime, Falcon 9 will continue to fly and refly for the foreseeable future. B1046’s third successful launch and recovery is a huge step in that direction and the very fact that the most noticeable difference is a new coating of soot at least partially hints at the efficacy of Block 5’s reusability-minded upgrades. Even when twice-flown Block 5 octaweb heat shields are glimpsed, it’s all but impossible to tell the difference between an unflown or twice-flown example, while the new jet-black thermal protection on Block 5 interstages and octawebs only exhibit subtle scarring after reentry heating.
It almost goes without saying that the real killer in multi-use aerospace products – fatigue – is rarely visible to the naked eye, so the external appearance of Falcon boosters is more of a swoon-worthy placebo than anything else. Still, Falcon 9 Block 5 continues to demonstrate that its external appearance is almost equally indicative of truly robust reusability engineering.
- B1046. (Pauline Acalin)
- . . . (Pauline Acalin)
- ENHANCE! (Pauline Acalin)
For prompt updates, on-the-ground perspectives, and unique glimpses of SpaceX’s rocket recovery fleet check out our brand new LaunchPad and LandingZone newsletters!
Elon Musk
Tesla reveals it has expanded its Robotaxi fleet in Austin
there has never been an exact count of the Robotaxi fleet size, and Tesla continues to speak in cryptic fashion, only hinting at what the number of active vehicles could be.

Tesla revealed that it has expanded its Robotaxi fleet in Austin, Texas, but has not yet disclosed the exact number of vehicles currently operating as driverless ride-hailing cars in the city.
Before Tesla launched the Robotaxi fleet in Austin on June 22, CEO Elon Musk stated that the fleet would be initially small, comprised of between ten and twenty vehicles in total.
The small fleet size was a way to limit rides and not overwhelm the company as it launched into a new territory: offering driverless rides to those looking to get around Austin. With safety being prioritized, it was understood.
However, there has never been an exact count of the Robotaxi fleet size, and Tesla continues to speak in cryptic fashion, only hinting at what the number of active vehicles could be.
On Tuesday, it expanded its geofence for the third time, increasing the service area in Austin beyond the downtown area and into the suburbs, including the airport and even the Gigafactory Texas.
Tesla one-ups Waymo once again with latest Robotaxi expansion in Austin
The size of the geofence is now 173 square miles, up from 91 square miles, which is what it grew to in early August with its second expansion.
The company also said it “increased the number of cars available by 50 percent,” but would not give an exact count:
Increased service area from 91 to 173 sq miles
Also increased # of cars available by 50%
— Tesla Robotaxi (@robotaxi) August 27, 2025
Skeptics of the Robotaxi platform usually point to two things: the presence of a Safety Monitor in the vehicle and the lack of transparency regarding fleet size.
Tesla has done an excellent job of expanding the service area over the past two months, but it is also expanding the number of people it allows to hail a Robotaxi.
This makes the need for an increased fleet size more imperative.
However, no good reason comes to mind for the company not to tell an exact number, but Tesla has its justifications for it. Grok suggests the Robotaxi fleet could be anywhere from 30 to 75 vehicles in total, but this includes the Bay Area.
Musk did say Tesla is working to get the Bay Area fleet to over 100 vehicles. Hopefully, some clarification regarding fleet size will be provided in the coming weeks or months as the service area in Austin continues to expand.
News
Tesla China working overtime to deliver Model Y L as quickly as possible
This was, at least, hinted at by Tesla China VP Grace Tao in a post on Weibo.

The Tesla Model Y L appears to be a big hit in China, and this has resulted in Giga Shanghai doing all it can to meet all the orders for the extended wheelbase all-electric crossover.
This was, at least, hinted at by Tesla China VP Grace Tao in a post on Weibo.
Model Y L demand
The demand for the Model Y L in China seems to be substantial. Just days following the vehicle’s release, industry watchers estimated that Tesla received about 35,000 orders for the vehicle on the day of its launch. More recent estimates from industry watchers have suggested that Tesla China might have doubled its usual vehicle orders for August thanks to the new variant.
Considering the seemingly strong demand for the new Model Y L, it was no surprise that Tesla China would be extremely busy trying to address all the orders for the vehicle. Fortunately, VP Grace Tao highlighted in her Weibo post that Tesla is pushing hard to ensure that deliveries of the extended wheelbase all-electric crossover could start as soon as possible.
“Our colleagues at the Shanghai Gigafactory are working overtime to get the new car to you as soon as possible,” the Tesla China executive wrote in her Weibo post.
Model Y L deliveries
When the Model Y L was initially released, Tesla China listed the vehicle’s first deliveries to be sometime in September 2025. As of writing, however, new orders of the new Model Y L are listed with an estimated delivery date of October 2025. This suggests that the Model Y L has been sold out for September.
The new Model Y L has the potential to be a best-seller for the electric vehicle maker, thanks in part to its comfortable six-seat configuration and its reasonable starting price of RMB 339,000 ($47,180).
Elon Musk
Elon Musk’s xAI and X file antitrust suit against Apple and OpenAI over AI exclusivity
The suit accuses the companies of violating antitrust rules by limiting competition in the AI sector.

Elon Musk’s artificial intelligence startup xAI and social media platform X have filed a federal lawsuit against Apple and OpenAI. The suit accuses the companies of violating antitrust rules by limiting competition in the fast-growing AI sector.
The lawsuit
The lawsuit, filed on Monday, challenged Apple’s plan to integrate OpenAI’s ChatGPT into its devices. xAI argued that the partnership gives ChatGPT exclusive first-party access to hundreds of millions of iPhone users worldwide, providing an unfair landscape for competitors in the AI sector.
“As a result of the Apple-OpenAI deal, ChatGPT is not just the default — it is the only generative AI chatbot with a first-party integration into Apple’s smartphones,,” the lawsuit noted. The suit also stated that the deal would give OpenAI “exclusive access to billions of potential prompts.”
Musk’s filing describes the Apple-OpenAI agreement as an “unlawful” arrangement that unfairly disadvantages rivals and denies consumers choice. The complaint also accuses Apple of manipulating App Store rankings and delaying updates to disadvantage ChatGPT’s rivals, such as xAI’s very own Grok, as noted in a report from the Financial Times.
A broader feud
Musk’s move escalates an already contentious relationship with Apple and OpenAI. In 2022, he accused the iPhone maker of threatening to remove Twitter, now X, from its App Store, though he later resolved the “misunderstanding” with Apple CEO Tim Cook.
In 2023, Apple briefly paused advertising on X before resuming campaigns. Musk has also been outspoken against Apple’s 30% App Store commission.
OpenAI, for its part, has dismissed the claims in xAI and X’s lawsuit. In a comment, a spokesperson from the artificial intelligence startup stated that the suit was just part of Elon Musk’s tendency to harass the company.
“This latest filing is consistent with Mr Musk’s ongoing pattern of harassment,” the OpenAI spokesperson stated.
Musk has had a turbulent relationship with OpenAI. Musk is a co-founder of the startup when it was launched as a nonprofit, though he left its board in 2018. Since then, Musk has been very critical of OpenAI’s shift to a for-profit entity. He has also escalated his rhetoric against OpenAI CEO Sam Altman, whom he has called a “liar” several times.
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