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SpaceX envisions massive rocket enclosure for military applications

SpaceX has released renders of its proposed Pad 39A 'Mobile Service Tower', meant to enclose Falcon 9 and Falcon Heavy rockets for processing. (SpaceX)

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SpaceX has published the first renders of a massive tower (MST) designed to fully enclose a Falcon Heavy rocket, giving the US military access to certain prized satellite payloads even when the vehicle is vertical at the launch pad.

Stretching some 70 m (230 ft) tall and 12.2 m (40 ft) wide, building a movable tower capable of fully enclosing SpaceX’s Falcon Heavy rockets is no mean feat. Known as a mobile service tower (MST), SpaceX has managed to avoid the need for the expensive, complex, and extremely unwieldy infrastructure for the first decade of Falcon 9 and Falcon Heavy launch operations. Instead, SpaceX has designed its launch vehicles around the concept of horizontal integration, meaning that its Falcon rockets can be entirely integrated and prepared for flight before going vertical for launch. This approach has ensured easy, cheap access to the entire rocket and payload up until the last few days of static fire and launch operations, lowering the cost of launch.

Beyond Russian spaceflight operations, SpaceX, and a handful of other companies around the world, nearly all other major launch providers and space agencies – including the United Launch Alliance (ULA), Arianespace, ISRO (India), and CNSA (China) – rely almost exclusively on vertical integration. With its new Pad 39A mobile tower, SpaceX will soon join that small club, giving it the ability to compete on completely even footing with ULA and others for lucrative military launch contracts.

After 10 years of pure horizontal rocket integration, SpaceX now plans to build a mobile service tower to support a select few US military launches. (SpaceX)
ULA’s Delta IV Heavy rocket mobile service tower (MST). (Tom Cross)

While one only has so much flexibility when designing a mobile skyscraper that needs to survive Florida’s hurricane seasons, SpaceX’s solution is still visually unique. According to the company, the mobile service tower (MST) it plans to build at its Kennedy Space Center (KSC) Launch Complex 39A (Pad 39A) facilities will measure 87m (284 ft) from its wheels to the top of its roof, while the tower’s ‘crawler’ base will be some 36m x 33m (118 ft x 108 ft) wide, a quarter of the area of a US football field.

SpaceX’s mobile service tower (MST) will attempt to match the aesthetics of its recently-upgraded Pad 39A fixed service structure (FSS). (Pauline Acalin)

During launch preparations, SpaceX would integrate its Falcon Heavy and Falcon 9 rockets like usual, joining boosters, side boosters, upper stages, and recovery while still horizontal inside its Pad 39A hangar. The integrated rocket would be installed (still horizontal) on 39A’s transporter/erector (T/E) – the white steel structure seen backing the rocket above – and rolled out to the launch mount, where the T/E is effectively bolted into the ground before lifting the rocket vertical.

SpaceX’s proposed Pad 39A Mobile Service Tower.

Once vertical, SpaceX’s new tower would slowly crawl about 40m (130 ft) to fully encompass a given Falcon Heavy or Falcon 9 rocket. Once safely inside the MST, 11 different levels would give SpaceX and customer technicians access to the vast majority of the rocket. Most importantly, the tower would allow SpaceX technicians to crane certain US military payloads – encapsulated inside a Falcon payload fairing – onto the top of the rocket.

At the end of the day, that’s really the only reason SpaceX needs such a tower – certain customers (the US military and, to a lesser extent, NASA) have certain payloads that they either can’t or won’t tweak to allow for horizontal integration. No schedule for the MST construction has been mentioned yet but knowing SpaceX, it’s safe to say it could be completed sooner than later once environmental impact studies are complete and construction permits have been secured.

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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 Model Y proudly takes its place as China’s best-selling SUV in May

The Model Y edged out competitors like the BYD Song Plus.

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Credit: Tesla China

The Tesla Model Y claimed its position as China’s best-selling SUV in May, with 24,770 units registered, according to insurance data from China EV DataTracker

The Model Y edged out competitors like the BYD Song Plus, which recorded 24,240 registrations, as well as Geely’s gasoline-powered Xingyue L, which took third place with 21,014 units registered, as noted in Car News China report.

Return To The Top

The Model Y’s return to the top of China’s SUV market follows a second-place finish in April, when it trailed the BYD Song Plus by just 684 units. Tesla China had 19,984 new Model Y registrations in April, while BYD had 20,668 registrations for the Song Plus. 

For the first five months of 2025, Tesla sold 126,643 Model Ys in China, outpacing the Song Plus at 110,551 units and BYD’s Song Pro at 80,245 units. This is quite impressive as the new Tesla Model Y is still a premium vehicle that is significantly more expensive than a good number of its competitors.

Year-Over-Year Challenges

Despite its SUV crown, Tesla’s year-over-year performance in China is still seeing headwinds. May sales totaled 38,588 units, a 30% year-over-year decline. From January to May, Tesla delivered 201,926 vehicles in China, a 7.8% drop year-over-year. These drops, however, are notably affected by the company’s changeover to the new Model Y in the first quarter.

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Exports from Tesla’s Shanghai Gigafactory also fell, with 90,949 vehicles being shipped from January to May 2025. This represents a decline of 33.4% year-over-year, though May exports rose 33% to 23,074 units.

China’s electric vehicle market, meanwhile, showed robust growth. Total NEV sales, which includes battery electric vehicles (BEVs) and plug-in hybrids (PHEVs), reached 1,021,000 units in May, up 28% year-over-year. BEV sales alone hit 607,000 units, a 22.4% increase.

Considering the fact that China’s BEV market is extremely competitive, the Tesla Model Y’s rise to the top of the country’s SUV rankings is extremely impressive.

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Waymo temporarily halts service in select San Francisco and LA areas amid protests

The suspensions came after several Waymo Jaguar I-Pace robotaxis were vandalized and set ablaze during the demonstrations.

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Credit: ABC7/YouTube

Waymo, Alphabet’s autonomous vehicle subsidiary, has suspended its driverless taxi operations in parts of Los Angeles and San Francisco amid violent protests linked to U.S. Immigration and Customs Enforcement (ICE) raids in the state. 

The suspensions came after several Waymo Jaguar I-Pace robotaxis were vandalized and set ablaze during the demonstrations.

Waymo Catches Strays Amid Anti-ICE Protests

Protests erupted in Los Angeles and San Francisco in response to the Trump administration’s immigration raids, which ultimately resulted in California Governor Gavin Newsom calling the White House’s deployment of National Guard troops unconstitutional. 

Amidst the protests, images and videos emerged showing several Waymo robotaxis being defaced and destroyed. At least five Waymo robotaxis ended up being caught in the crossfire, and at least one vehicle ended up being burned to the ground. 

The incident resulted in the Los Angeles Police Department advising people to avoid downtown areas due to toxic fumes from the robotaxis’ burning lithium-ion batteries. As noted in a KRON4 report, Waymo ultimately halted service in affected areas “out of an abundance of caution.”

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Robotaxi Sentiments

The cost of the attacks is notable. Each Waymo robotaxi is valued between $150,000 and $200,000, per a 2024 Wall Street Journal report. Interestingly enough, this is not the first time that Waymo’s robotaxis ended up on the receiving end of angry protesters. On February 24, a Jaguar I-PACE robotaxi was set ablaze and vandalized by a crowd in San Francisco. Videos taken at the time showed a mob of people attacking the vehicle. 

Despite the recent attacks on its robotaxis, Waymo has stated it has “no reason to believe” its vehicles were specifically targeted during the protests, as per a report from The Washington Post. A company spokesperson also noted that some of the Waymo robotaxis that were defaced and destroyed during the violent demonstrations had been completing drop-offs near the protest zones.

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Investor's Corner

xAI targets $5 billion debt offering to fuel company goals

Elon Musk’s xAI is targeting a $5B debt raise, led by Morgan Stanley, to scale its artificial intelligence efforts.

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(Credit: xAI)

xAI’s $5 billion debt offering, marketed by Morgan Stanley, underscores Elon Musk’s ambitious plans to expand the artificial intelligence venture. The xAI package comprises bonds and two loans, highlighting the company’s strategic push to fuel its artificial intelligence development.

Last week, Morgan Stanley began pitching a floating-rate term loan B at 97 cents on the dollar with a variable interest rate of 700 basis points over the SOFR benchmark, one source said. A second option offers a fixed-rate loan and bonds at 12%, with terms contingent on investor appetite. This “best efforts” transaction, where the debt size hinges on demand, reflects cautious lending in an uncertain economic climate.

According to Reuters sources, Morgan Stanley will not guarantee the issue volume or commit its own capital in the xAI deal, marking a shift from past commitments. The change in approach stems from lessons learned during Musk’s 2022 X acquisition when Morgan Stanley and six other banks held $13 billion in debt for over two years.

Morgan Stanley and the six other banks backing Musk’s X acquisition could only dispose of that debt earlier this year. They capitalized on X’s improved operating performance over the previous two quarters as traffic on the platform increased engagement around the U.S. presidential elections. This time, Morgan Stanley’s prudent strategy mitigates similar risks.

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Beyond debt, xAI is in talks to raise $20 billion in equity, potentially valuing the company between $120 billion and $200 billion, sources said. In April, Musk hinted at a significant valuation adjustment for xAI, stating he was looking to put a “proper value” on xAI during an investor call.

As xAI pursues this $5 billion debt offering, its financial strategy positions it to lead the AI revolution, blending innovation with market opportunity.

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