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SpaceX’s next Falcon Heavy booster arrives in Texas for static fire

Falcon Heavy Flight 3 center core B1057 is pictured here performing a static fire test in 2019. (SpaceX)

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SpaceX’s fourth Falcon Heavy launch continues to inch closer, most recently celebrating what appears to be the arrival of one of three new Falcon Heavy boosters for static fire testing in Texas.

There’s a chance that the booster in question is just a regular Falcon 9 first stage but per photos from local resident Reagan, the unusual presence of a white interstage (the carbon fiber composite section containing grid fins and second stage deployment hardware) implies otherwise.

Following several months of inactivity since the first of three new Falcon Heavy side boosters – ‘disguised’ with a rejected Falcon 9 interstage – arrived at SpaceX’s McGregor, Texas test facilities, the latest booster is most likely the second of two new Falcon Heavy side boosters needed for a US military launch later this year.

After departing SpaceX’s Hawthorne, California factory sometime in late August 2020, hardware NASASpaceflight later confirmed to be the first of three new Falcon Heavy boosters went vertical at the company’s McGregor, Texas booster static fire stand around a month later. Oddly, unlike the four other Falcon Heavy side boosters SpaceX has tested over the last several years, this particular core arrived in Texas with a placeholder interstage instead of a telltale nosecone.

Why is unclear given that two previous side boosters were static fired with nosecones installed. Regardless, given that the newest booster entrant’s white interstage does not appear to have any custom center core hardware installed, it’s most likely the second of two Falcon Heavy Flight 4 side boosters.

Falcon Heavy Flight 2. The booster in the middle - B1055 - was effectively sheared in half after tipping over aboard drone ship OCISLY. (Pauline Acalin)
Falcon Heavy Flight 2 readies for launch with three Block 5 boosters; B1052, B1053, and center core B1055. (Pauline Acalin)

If the rocket passes those acceptance tests, that will leave another two stages – a custom center core and orbital upper stage – left to ship and test before SpaceX can say it has all hardware on hand for the triple-booster rocket’s fourth launch. Delayed from Q4 2020 to February 2021 in September 2020, that all-new Falcon Heavy’s first launch is known as AFSPC-44 or USSF-44 and will deliver an unspecified US military satellite and one or more rideshare payloads directly to geostationary orbit (GEO) – a first for SpaceX.

Unless this second side booster is days away from a brisk static fire test and a new Falcon Heavy center core and upper stage are either already at McGregor or days away from departing Hawthorne, a February 2021 launch target is all but impossible.

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Not long after that tentative February 28th launch date was announced, a USAF official did offer an updated target, stating that USSF-44 was now expected to launch in “late spring” – implying (at least in the US) May or June 2021. It’s unclear what’s to blame for the six or more months of delays the mission has suffered in the last year but continued booster testing is a good sign that things are more or less back on track.

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 begins Robotaxi certification push in Arizona: report

Tesla seems serious about expanding its Robotaxi service to several states in the coming months.

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Credit: Tesla

Tesla has initiated discussions with Arizona transportation regulators to certify its driverless Robotaxi service in the state, as per a recent report from Bloomberg News. The move follows Tesla’s launch of its Robotaxi pilot program in Austin, Texas, as well as CEO Elon Musk’s recent comments about the service’s expansion in the Bay Area.

The Arizona Department of Transportation confirmed to Bloomberg that Tesla has reached out to begin the certification process for autonomous ride-sharing operations in the state. While details remain limited, the outreach suggests that Tesla is serious about expanding its driverless Robotaxi service to several territories in the coming months.

The Arizona development comes as Tesla prepares to expand its service area in Austin this weekend, as per CEO Elon Musk in a post on X. Musk also stated that Tesla is targeting the San Francisco Bay Area as its next major market, with a potential launch “in a month or two,” pending regulatory approvals.

Tesla first launched its autonomous ride-hailing program on June 22 in Austin with a small fleet of Model Y vehicles, accompanied by a Tesla employee in the passenger seat to monitor safety. While still classified as a test, Musk has said the program will expand to about 1,000 vehicles in the coming months. Tesla will later upgrade its Robotaxi fleet with the Cyercab, a two-seater that is designed without a steering wheel.

Sightings of Cybercab castings around the Giga Texas complex suggests that Tesla may be ramping the initial trial production of the self-driving two-seater. Tesla, for its part, has noted in the past that volume production of the Cybercab is expected to start sometime next year.

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In California, Tesla has already applied for a transportation charter-party carrier permit from the state’s Public Utilities Commission. The company is reportedly taking a phased approach to operating in California, with the Robotaxi service starting with pre-arranged rides for employees in vehicles with safety drivers.

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Tesla sets November 6 date for 2025 Annual Shareholder Meeting

The automaker announced the date on Thursday in a Form 8-K.

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Credit: Tesla

Tesla has scheduled its 2025 annual shareholder meeting for November 6, addressing investor concerns that the company was nearing a legal deadline to hold the event. 

The automaker announced the date on Thursday in a Form 8-K submitted to the United States Securities and Exchange Commission (SEC). The company also listed a new proposal submission deadline of July 31 for items to be included in the proxy statement.

Tesla’s announcement followed calls from a group of 27 shareholders, including the leaders of large public pension funds, which urged Tesla’s board to formally set the meeting date, as noted in a report from The Wall Street Journal

The group noted that under Texas law, where Tesla is now incorporated, companies must hold annual meetings within 13 months of the last one if requested by shareholders. Tesla’s previous annual shareholder meeting was held on June 13, 2024, which placed the July 13 deadline in focus.

Tesla originally stated in its 2024 annual report that it would file its proxy statement by the end of April. However, an amended filing on April 30 indicated that the Board of Directors had not yet finalized a meeting date, at least at the time.

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The April filing also confirmed that Tesla’s board had formed a special committee to evaluate certain matters related to CEO Elon Musk’s compensation plan. Musk’s CEO performance award remains at the center of a lengthy legal dispute in Delaware, Tesla’s former state of incorporation.

Due to the aftermath of Musk’s legal dispute about his compensation plan in Delaware, he has not been paid for his work at Tesla for several years. Musk, for his part, has noted that he is more concerned about his voting stake in Tesla than his actual salary.

At last year’s annual meeting, TSLA shareholders voted to reapprove Elon Musk’s compensation plan and ratified Tesla’s decision to relocate its legal domicile from Delaware to Texas.

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Grok coming to Tesla vehicles next week “at the latest:” Elon Musk

Grok’s rollout to Tesla vehicles is expected to begin next week at the latest.

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Credit: Tesla China

Elon Musk announced on Thursday that Grok, the large language model developed by his startup xAI, will soon be available in Tesla vehicles. Grok’s rollout to Tesla vehicles is expected to begin next week at the latest, further deepening the ties between the two Elon Musk-led companies.

Tesla–xAI synergy

Musk confirmed the news on X shortly after livestreaming the release of Grok 4, xAI’s latest large language model. “Grok is coming to Tesla vehicles very soon. Next week at the latest,” Musk wrote in a post on social media platform X.

During the livestream, Musk and several members of the xAI team highlighted several upgrades to Grok 4’s voice capabilities and performance metrics, positioning the LLM as competitive with top-tier models from OpenAI and Google.

The in-vehicle integration of Grok marks a new chapter in Tesla’s AI development. While Tesla has long relied on in-house systems for autonomous driving and energy optimization, Grok’s integration would introduce conversational AI directly into its vehicles’ user experience. This integration could potentially improve customer interaction inside Tesla vehicles.

xAI and Tesla’s collaborative footprint

Grok’s upcoming rollout to Tesla vehicles adds to a growing business relationship between Tesla and xAI. Earlier this year, Tesla disclosed that it generated $198.3 million in revenue from commercial, consulting, and support agreements with xAI, as noted in a report from Bloomberg News. A large portion of that amount, however, came from the sale of Megapack energy storage systems to the artificial intelligence startup.

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In July 2023, Musk polled X users about whether Tesla should invest $5 billion in xAI. While no formal investment has been made so far, 68% of poll participants voted yes, and Musk has since stated that the idea would be discussed with Tesla’s board.

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