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SpaceX prepares new Starship tank for explosive test after rapid construction

SpaceX is preparing for a potentially explosive Starship testing, this time featuring the unusual mini-tank pictured here on January 9th. (NASASpaceflight - bocachicagal)

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Over the last few weeks, SpaceX’s South Texas Starship team has been making progress at a pace unprecedented even for the famously agile rocket company and is moving full speed ahead to kick off a new series of explosive tests as early as this morning.

Ever since SpaceX’s original Starship Mk1 prototype spectacularly failed during a November 2019 pressure test, the company has been rapidly rearranging and modifying the development schedule for its next-generation full-reusable rocket. Be it a side effect or coincidence, SpaceX effectively began closing its Florida Starship factory a week after Mk1’s demise and even shipped some of its Florida-built Starship hardware to Texas in recent weeks. However, most of the Florida workforce (up to 80%) was reportedly redirected elsewhere in the company, avoiding layoffs.

Some portion may have even moved to Texas and joined SpaceX’s Starship Boca Chica facilities. Given just how aggressively SpaceX has been expanding its local facilities and preparing new hardware for the next round of improved Starship prototypes, it seems quite likely that the South Texas outpost did indeed receive an influx of skilled workers. Most recently, the company has demonstrated its rapidly growing expertise in the bizarre art of building steel rockets en plein air by fabricating and integrating new tank domes and steel rings and then shipping the curious contraption to its nearby launch site in a matter of weeks from start to finish.

Although it’s difficult to determine the chronology of every single part of the mysterious new tank, it’s fairly safe to say that work on its structure began less than a week before SpaceX CEO Elon Musk tweeted a surprise update, indicating on December 27th that he was in Boca Chica, Texas working all night on “Starship tank dome production”.

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In simple terms, the business half of SpaceX’s next-generation Starship upper stage and Super Heavy boosters are comprised of three main parts, shared by almost all launch vehicles. Both are rocket stages that must be as light as physically possible while supporting thousands of tons worth of supercool liquid oxygen and methane propellant. The majority of a simple rocket is ultimately a duo of cylindrical tanks capped by tank domes – also known as bulkheads. The bottom bulkhead of boosters and upper stages also serves as a mounting point for an engine section, where the vehicle’s rocket engines are attached to the rocket body in order to transfer their thrust throughout the rest of the structure.

SpaceX CEO Elon Musk says that Starship tank domes have turned out to be “the most difficult part of [the rocket’s] primary structure” to manufacture, thus explaining why he was apparently assisting the Boca Chica team all night on December 27th.

Starship Mk1 exploded on November 20th, 2019 during a nonflammable propellant loading test, a failure that unofficial videos have compellingly linked to the weld joint connecting the rocket’s upper tank dome to its cylindrical tank. That section of the rocket began leaking cryogenic propellant moments before the entire upper dome tore off the rest of the vehicle and launched hundreds of feet into the air.

All hail Baby Tank

In an apparent response to the unsatisfactory results of Starship Mk1’s manufacturing methods, SpaceX has rapidly initiated an already-planned upgrade of its Starship facilities and manufacturing methods in South Texas, taking delivery of a wealth of new tools over the last several weeks. Most recently, SpaceX’s latest step towards demonstrating that it has substantially improved manufacturing quality arrived in the form of a single propellant tank – the same diameter as Starship Mk1 but much shorter than any possible flight hardware.

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Quickly nicknamed Bopper (short for Baby Starhopper) by locals and close followers, the miniature Starship test article came together at a truly spectacular pace. Comprised of two single-weld steel rings and two brand new tank domes, it appears that all four of the components were nothing more than parts and steel stock less than three weeks ago. The first sign of activity came around December 19th, when technicians began placing pressed steel sections onto a bulkhead (dome) assembly jig – used to precisely hold the pieces in the right shape and place as they are welded together.

A number of new single-weld steel rings were produced in Texas in the final weeks of 2019, pictured here on December 19th. (NASASpaceflight – bocachicagal)
SpaceX technicians also began assembling the first of two Starship test tank (‘Bopper’) domes around December 19th. (NASASpaceflight – bocachicagal)
Perhaps just 20 days or less after work started on the baby Starship tank, SpaceX transported the new hardware – made up of two domes and two rings – to a nearby launch (and test) pad. (NASASpaceflight – bocachicagal)

Incredibly, aside from taking less than three weeks to go from miscellaneous parts to an assembled Starship tank delivered to the test site, SpaceX technicians appeared to finish stacking and welding its two halves (each a ring and a dome) perhaps a handful of hours before it was lifted onto a transporter and driven to the launch pad.

As of dawn, January 9th, the welds joining the two halves of the mini Starship tank were visibly incomplete and in-progress. Note the bright point and unfinished line near the center, indicative of active welding. (NASASpaceflight – bocachicagal)

Even for SpaceX, moving a prototype from factory to test site hours after its primary structure was welded together represents an almost unfathomably fast pace of work – truly unfathomable in traditional aerospace. Whether or not such a pace of work is smart, sustainable, or worth it remains to be seen, but SpaceX is nevertheless on track to pressure test its new mini Starship tank as early as this morning, potentially resulting in another spectacular overpressure event (i.e. explosion).

If the tank survives up to or beyond the pressures SpaceX has designed it to, it’s safe to say that the next full-scale Starship prototype could come together far sooner than almost anyone might have expected.

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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 is showing us that Cybercab mass production is well underway

Tesla’s Cybercab drives itself off the Gigafactory Texas line in a striking new production video.

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Tesla Cybercab production units rolling off the factory line in Gigafactory Texas (Credit: Tesla)

Tesla has provided a first look from inside a production Cybercab as it drove itself off the assembly line at Gigafactory Texas. The video footage, posted on X, opens on the factory floor with robotic arms and assembly equipment visible through the Cybercab windshield, and follows the car through a branded tunnel marked “Cybercab”, before autonomously navigating itself to a holding lot.

The first Cybercab rolled off the Giga Texas production line on February 17, 2026, with Musk writing on X, “Congratulations to the Tesla team on making the first production Cybercab.” April marked the official shift to volume production. The Giga Texas line is being prepared to produce hundreds of units per week, with 60 units already spotted on the Gigafactory campus earlier this month.


The Cybercab was first revealed publicly at Tesla’s “We, Robot” event in October 2024 at Warner Bros. Studios in Burbank, California, where 20 pre-production units gave attendees rides around the studio lot. Musk said he believed the average operating cost would be around $0.20 per mile, and that buyers would be able to purchase one for under $30,000. The two-seat design is deliberate. Musk noted that 90 percent of miles driven involve one or two people, making a compact two-passenger vehicle the most efficient configuration for a fleet-scale robotaxi. Eliminating rear seats also removes complexity and cost, supporting that sub-$30,000 target.

Tesla’s annual production goal is 2 million Cybercabs per year once several factories reach full design capacity. The Cybercab has no steering wheel, no pedals, and relies entirely on Tesla’s vision-based FSD system. What the video shows is the first evidence of that system working not as a demo, but as a production reality, driving itself off the line and into the world.

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Elon Musk’s last manually driven Tesla will do something no other production car will do

Elon Musk confirmed the Roadster as Tesla’s last manually driven car, with a debut coming soon.

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Tesla Roadster driving along sunset cliff (Credit: Grok)

During Tesla’s Q1 2026 earnings call on April 22, Elon Musk made a brief but notable comment about the long-awaited next generation Roadster while describing Tesla’s future vehicle lineup. “Long term, the only manually driven car will be the new Tesla Roadster,” he said. “Speaking of which, we may be able to debut that in a month or so. It requires a lot of testing and validation before we can actually have a demo and not have something go wrong with the demo.”

That single statement is the entire Roadster update from yesterday’s call, and while it represents another timeline shift, it comes as no surprise with Tesla heads-down-at-work on the mass rollout of its Robotaxi service across US cities, and the industrial scale production of the humanoid Optimus.

The fact that Musk specifically framed the Roadster as the last manually driven Tesla is significant on its own. As the rest of the lineup moves toward full autonomy, the Roadster becomes something rare in the Tesla-sphere by keeping the driver in control. Driving enthusiasts who buy a $200,000 supercar are not doing so to be passengers. They want the physical connection to the road, the feel of acceleration under their own input, and the experience of controlling something with that level of performance. FSD, however capable it becomes, removes that entirely. The Roadster signals that Tesla understands this distinction and is building a car specifically for the people who consider driving itself the point.

Tesla isn’t joking about building Optimus at an industrial scale: Here we go

The specs for the Roadster Musk has teased over the years are genuinely unlike anything in production. The base model targets 0 to 60 mph in 1.9 seconds, a top speed above 250 mph, and up to 620 miles of range from a 200 kWh battery. The optional SpaceX package takes it further, rumored to add roughly ten cold gas thrusters operating at 10,000 psi, borrowed directly from Falcon 9 rocket technology. With thrusters, Musk has claimed 0 to 60 mph in as little as 1.1 seconds. In a 2021 Joe Rogan interview he went further, stating “I want it to hover. We got to figure out how to make it hover without killing people.” Tesla filed a patent for ground effect technology in August 2025, suggesting the hover concept has not been abandoned. The starting price remains $200,000, with the Founders Series requiring a $250,000 full deposit. Some reservation holders placed those deposits in 2017 and are approaching a full decade of waiting.

With production now targeted for 2027 or 2028 at the earliest, the Roadster remains Tesla’s most audacious promise and its longest-running delay. But if what Musk is testing lives up to even half of what he has described, the demo alone should be worth waiting for.

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Tesla confirmed HW3 can’t do Unsupervised FSD but there’s more to the story

Tesla confirmed HW3 vehicles cannot run unsupervised FSD, replacing its free upgrade promise with a discounted trade-in.

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tesla autopilot

Tesla has officially confirmed that early vehicles with its Autopilot Hardware 3 (HW3) will not be capable of unsupervised Full Self-Driving, while extending a path forward for legacy owners through a discounted trade-in program. The announcement came by way of Elon Musk in today’s Tesla Q1 2026 earnings call.

The history here matters. HW3 launched in April 2019, and Tesla sold Full Self-Driving packages to owners on the understanding that the hardware was sufficient for full autonomy. Some owners paid between $8,000 and $15,000 for FSD during that period. For years, as FSD’s AI models grew more demanding, HW3 vehicles fell progressively further behind, eventually landing on FSD v12.6 in January 2025 while AI4 vehicles moved to v13 and then v14. When Musk acknowledged in January 2025 that HW3 simply could not reach unsupervised operation, and alluded to a difficult hardware retrofit.

The near-term offering is more concrete. Tesla’s head of Autopilot Ashok Elluswamy confirmed on today’s call that a V14-lite will be coming to HW3 vehicles in late June, bringing all the V14 features currently running on AI4 hardware. That is a meaningful software update for owners who have been frozen at v12.6 for over a year, and it represents genuine effort to keep older hardware relevant. Unsupervised FSD for vehicles is now targeted for Q4 2026 at the earliest, with Musk describing it as a gradual, geography-limited rollout.

For HW3 owners, the over-the-air V14-lite update is welcomed, and the discounted trade-in path at least acknowledges an old obligation. What happens next with the trade-in pricing will define how this chapter ultimately gets written. If Tesla prices the hardware path fairly, acknowledges what early adopters are owed, and delivers V14-lite on the June timeline it committed to today, it has a real opportunity to convert one of the longest-running sore subjects among early adopters into a loyalty story.

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