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SpaceX Starship Mk1’s most important tests yet could begin just hours from now

Starship Mk1 stands tall on its freshly-constructed launch mount and new home as technicians prepare both for ground testing. (NASASpaceflight - bocachicagal)

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SpaceX’s South Texas Starship Mk1 prototype is on the verge of kicking off a critical period of ground tests, ranging from tank pressurization and propellant loading to the rocket’s first triple-Raptor engine static fire. The campaign could begin soon – perhaps as soon as later today, in fact.

Over the last two weeks, SpaceX’s South Texas team has faced bad winter weather, among the many other challenges associated with building giant rockets almost entirely out in the elements. Nevertheless, company technicians and engineers continue to check off task after task along the path towards Starship Mk1 completion, the next-generation launch vehicle’s first full-scale, high-fidelity prototype.

In the month of November alone, SpaceX has (re)installed Starship Mk1’s nose and aft section flaps (this time outfitted with heavy-duty actuator mechanisms), nearly completed the process of routing and integrating the vehicle’s external liquid and gas plumbing, and more or less finished a barebones launch mount. Starship Mk1 was snugly attached atop that launch mount around the start of the month and workers have continuously swarmed around the rocket and pad in scissor and boom lifts and ever since, closing out umbilical connections, insulating cryogenic propellant pipes, and much, much more.

Within the last week or so, SpaceX has apparently also begun the process of expanding its presence around its existing Boca Chica pad facilities, where Starship Mk1 is preparing for testing. The purpose of that expansion is unclear, but the first phase – extending the existing square landing pad – is essentially complete and will presumably give Starship Mk1 a better chance of successfully landing in the event that its first skydiver-style landing attempt is not as accurate as predicted.

Based on official renders/mockups in SpaceX’s updated 2019 launch animation, it could also eventually become the foundation of a much more permanent integration and processing hangar, much like the hangars that SpaceX uses to integrate Falcon 9 and Heavy at its Florida and California launch sites. It could even be the foundation for a dramatically larger Super Heavy-class launch mount and water-cooled flame deflector like the one shown in that same video. For now, Starship Mk1 will begin testing (and presumably first flights) off of a minimal steel mount that was built up from almost nothing in barely two months.

A possible future version of SpaceX’s Boca Chica Starship launch facilities. (SpaceX)

No nose, no problem?

As previously discussed on Teslarati, the testing Starship Mk1 is preparing for could take a number of routes to completion, but all of those routes will likely involve several main events. First, SpaceX may or may not decide to do a preliminary tank proof test with neutral (i.e. non-explosive) liquid nitrogen, which would verify the structural integrity and determine if there are leaks in what is essentially a building-sized pressure vessel.

SpaceX may instead skip that – it would require a vast and unwieldy quantity of liquid nitrogen – and move directly into the first cryogenic propellant loading test, in which SpaceX would attempt to fully fill Starship’s tanks with liquid oxygen and liquid methane. Assuming Starship Mk1 is 1:1 scale, that could involve as much as 1200 metric tons (2,650,000 lbs) of propellant, more than twice as much fuel as a Falcon 9.

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In other words, Starship’s inaugural propellant loading attempt will be almost at the same scale as Falcon Heavy’s, which took several attempts, broke some hardware, and was a major learning experience and challenge on its own. A structural failure or explosion could be absolutely catastrophic, as those ~1200 tons of fuel and oxidizer could act as a massive bomb under the right conditions.

According to road closure notices published by Cameron County, SpaceX is expected to begin operations that require road closures as early as November 18th from noon to 8 pm CST, with backups on the 19th and 20th. Another window opens on the 25th at the same time, with backups on the 26th and 27th. To be clear, there is no official word that SpaceX actually means to start cryogenic ground testing with Starship Mk1 today, but it’s not necessarily out of the question.

Whenever SpaceX does decide to start Starship Mk1 ground testing, it will be an immensely important milestone, signifying the start of the period that will essentially determine whether SpaceX’s deeply unusual manufacturing methods can build a structurally-sound, high-performance rocket prototype for pennies on the dollar. In simple terms, if Starship Mk1 behaves as planned, commercial spaceflight may never be the same.

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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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SpaceX’s next project will produce Starships at a level that sounds impossible

1,000 rockets per year is an insane number, especially considering Starship’s sheer size.

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Credit: SpaceX

Elon Musk has revealed bold plans for SpaceX’s newest Starbase facility in Texas, predicting it will become a birthplace for “so many spaceships.” The upcoming “Gigabay,” a massive $250 million production hub in Starbase, Texas, is designed to manufacture up to 1,000 Starship rockets per year.

That’s an insane number of rockets for a single facility, especially considering Starship’s sheer size. 

One of the world’s largest industrial structures

SpaceX’s Gigabay is expected to stand roughly 380 feet tall and enclose 46.5 million cubic feet of interior space, making it one of the largest industrial structures to date. The facility will feature 24 dedicated work cells for assembling and refurbishing Starship and Super Heavy vehicles, complete with heavy-duty cranes capable of lifting up to 400 U.S. tons, as noted in a Times of India report.

Construction crews have already placed four tower cranes on-site, with completion targeted for December 2026. Once operational, the Gigabay is expected to boost SpaceX’s launch cadence dramatically, as it would be able to build up to 1,000 reusable Starships per year, as noted in a report from the Dallas Express. Musk stated that the Gigabay will be “one of the biggest structures in the world” and hinted that it represents a major leap in Starbase’s evolution from test site to full-scale production hub.

A key step toward Mars and beyond

Starship is SpaceX’s heavy-lift rocket system, and it remains a key part of Elon Musk’s vision of a multiplanetary future. The vehicle can carry 100–150 tonnes to low Earth orbit and up to 250 tonnes in expendable mode. With several successful flights to date, including a perfect 11th test flight, the Starship program continues to refine its reusable launch system ahead of crewed lunar missions under NASA’s Artemis initiative.

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Starship is unlike any other spacecraft that has been produced in the past. As per Elon Musk, Starship is a “planet-colonizer” class rocket, as the magnitude of such a task “makes other space transport task trivial.” Considering Starship’s capabilities, it could indeed become the spacecraft that makes a Moon or Mars base feasible. 

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Elon Musk

‘You chose ambition’: Tesla Chair hails shareholders for backing Elon Musk’s vision

Denholm stated that the vote highlighted TSLA investors’ continued confidence in both Musk’s leadership and Tesla’s vision for an autonomous, AI-driven future.

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(Credit: Tesla)

Tesla Chair Robyn Denholm has issued a letter to shareholders celebrating what she described as “overwhelming support” at this year’s Annual Meeting, framing the approval of Elon Musk’s trillion-dollar pay plan as a defining moment in Tesla’s mission. 

Denholm stated that the vote highlighted TSLA investors’ continued confidence in both Musk’s leadership and Tesla’s vision for an autonomous, AI-driven future.

Denholm hails shareholder confidence

In her letter, which was posted by the electric vehicle maker on X through Tesla’s official handle, Denholm thanked investors for backing Proposals One, Three, and Four, items she said reaffirm Tesla’s “Master Plan Part IV” and its broader mission to accelerate sustainable prosperity. She characterized the shareholder vote as “a vote of confidence in our visionary leader, Elon,” crediting Musk with transforming Tesla into one of the most valuable companies in history.

“In a year when many tried to sow doubt and negativity, you chose a better future,” Denholm wrote. “You chose ambition. You chose to see what is possible. You chose to back the people who have been in the room since the earliest days, fighting for the mission that first brought us all together—a better world for humanity,” she wrote in her letter. 

Her comments framed Musk’s pay package approval not only as a governance milestone but as a symbolic endorsement of Tesla’s long-term trajectory across autonomy, AI, and energy innovation.

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“A whole new book” of innovation

Denholm highlighted Tesla’s push toward autonomy as the company’s next major growth phase, citing the Robotaxi program and Optimus humanoid robot as examples of bringing artificial intelligence “into the physical world.” She described this period as potentially “the largest value-creation event in Tesla’s history, and quite possibly in the history of humanity.”

The letter reaffirmed the board’s commitment to direct engagement with shareholders through Tesla’s online platform and live events. Denholm emphasized that feedback from investors “informs our strategy and strengthens us” as Tesla prepares for new technology rollouts and expanded AI capabilities.

“You, our shareholders, have given us the mandate and the runway to execute. We are humbled, and rest assured that we do not take that responsibility lightly… Thank you for believing in Tesla. Thank you for standing with us. We look forward to years of bold leadership and pioneering innovation, fueled by our commitment to creating a better future for all,” she wrote.

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Elon Musk

Tesla Takedown group prepares anti-Elon Musk effort on November 15

Organizers also emphasized that “Tesla Takedown is a peaceful protest movement. We oppose violence, vandalism and destruction of property.”

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Rhododendrites, CC BY-SA 4.0 , via Wikimedia Commons

A coalition of activists has announced a coordinated “Tesla Takedown” Day of Action on November 15, urging participants worldwide to protest Tesla CEO Elon Musk’s newly approved 2025 performance award. 

Organizers described the movement as a peaceful protest against what they view as excessive corporate power and wealth concentration in the hands of one individual.

Activists try again

Tesla Takedown organizers said their November 15 protests will coincide with the nine-month anniversary of their first weekend of action. In a public statement, the group called on supporters to “host or join an action in your community” under the banner #NoTrillionaires, framing the event as a stand against billionaire influence in politics and technology.

“Fascism is on the march in America and around the world. Institutions and elites are caving. We’re fighting back. No one is doing more to fuel the rise of fascism than Elon Musk. Now, Tesla shareholders want to supercharge his assault on democracy by making him a trillionaire. Yes, with a T. That will make him even more dangerous. The good news is, we CAN stop him. His insane trillion-dollar incentive package depends on hitting huge benchmarks. That’s where all of us come in,” the group wrote.

Organizers also emphasized that “Tesla Takedown is a peaceful protest movement. We oppose violence, vandalism and destruction of property. This protest is a lawful exercise of our First Amendment right to peaceful assembly.”

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The group’s emphasis on opposing violence and vandalism is a welcome statement considering that previous Tesla Takedown protests have resulted in arrests and chaos in the past. Earlier this year, anti-Tesla individuals vandalized, firebombed, and shot at several Tesla locations in protest of Elon Musk.

Musk’s pay package

The planned demonstrations follow Tesla shareholders’ recent approval of CEO Elon Musk’s 2025 performance award, a landmark pay plan that could make him the world’s first trillionaire if key performance and valuation goals are achieved. Over 75% of shareholders voted in favor of the award during Tesla’s 2025 Annual Shareholder Meeting, where Musk appeared on stage to thank investors alongside the company’s humanoid robot, Optimus.

The pay plan links Musk’s compensation to ambitious operational and stock price milestones that could see Tesla become the world’s most valuable company by a wide margin with a market cap of $8.5 trillion. Musk is also required to hit several product targets for the electric vehicle maker. These include the delivery of 20 million Tesla vehicles cumulatively, 10 million active FSD subscriptions, 1 million Tesla bots delivered, and 1 million Robotaxis in operation.

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