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SpaceX’s Starship to grow in height as workers prepare to stack its top section
SpaceX CEO Elon Musk has teased new details and posted several new photos of Starship Mk1, taken on September 25th as employees worked to lift the spacecraft’s lower half onto a mobile transporter. Up next: stacking the rocket’s two halves to reach its final 50m (160 ft) height.
The company is currently working around the clock to complete Starship Mk1’s assembly and integration ahead of Elon Musk’s planned September 28th presentation, meant to provide a detailed update on the state of the next-generation rocket’s design and development. A huge amount of work clearly remains but SpaceX is making major, visible progress almost every single day along the path to Starship’s first flight tests.
On the transporter pic.twitter.com/CGNj1MlKAU— Elon Musk (@elonmusk) September 26, 2019
Taken yesterday afternoon, Musk’s photos show scenes before and after technicians placed Starship Mk1’s lower half – its tank and propulsion section – on a ‘Roll-Lift’, a small transporter. It’s unclear why exactly this was done, but SpaceX moved the spacecraft prototype about 100m and then removed it from the transporter.
The most recent movement happened just a few hours ago – technicians used a crane delivered on September 24th to lift the half-Starship onto what looked like half a dozen steel blocks on the ground, all captured live on LabPadre’s 24/7 livestream. In order to install Starship Mk1’s separate landing legs, believed to attach somewhere inside the vehicle’s aft circumference, SpaceX likely needed to lift the aft section off the concrete mount that had been its home for the past several months.
Elon Musk also confirmed that Starship Mk1 will have six landing legs, another strong indicator that the ongoing Thursday morning work is focused on preparing Starship Mk1 for leg installation. According to Musk, Starship Mk1 will weigh as much as 200 metric tons (440,000 lb) empty, which is probably why the rocket prototype’s aft – and heaviest – half had to be loaded onto a Roll-Lift and could not simply be moved by the crane itself.
Starship’s updated design remains a bit of a mystery just two days before Elon Musk is scheduled to present an update, likely including new renders from SpaceX itself. It remains to be seen if Starship’s six landing legs will be fixed (versus retractable) or if the legs on the windward side of the ship will jut out into the airstream. To ensure stability when landing on unprepared terrain, as Musk described, six legs are certainly better than three, but the actual span of those legs is a more relevant determinant of stability. Wide, Falcon 9-style legs would be optimal, indicating that the final ship will likely lean towards legs that can be retracted or at least angled behind Starship’s reentry ‘shadow’.
Still a prototype (and possibly meant solely for suborbital operation), Starship Mk1 (and Mk2) may feature simplified legs and mechanisms to speed things along, serving as more of a rough draft while Starhopper was akin to a Starship abstract or prospectus. At this rate, we won’t have to wait very long at all to find out.
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Elon Musk
Elon Musk handed Grok something no other AI company can get their hands on
Elon Musk says SpaceX will feed engineering data into Grok’s next model, avoiding restricted material.
Elon Musk said Tuesday that SpaceX will feed its internal engineering data into the next major training run for Grok, the AI model now folded into SpaceX following February’s merger. In a post on X, Musk wrote that SpaceX’s “massive corpus of world-class engineering data,” excluding anything restricted under U.S. arms export law, will be added during supplemental training of what he called the “2T run,” a reference to a roughly two trillion parameter model that would nearly double the parameters behind the latest Grok 4.5 that’s rolling out.
SpaceX’s massive corpus of world-class engineering data (excluding material blocked by ITAR) will be added during supplemental training of the 2T run.
This will dramatically improve Grok’s engineering capabilities. https://t.co/BbQEViFByn
— Elon Musk (@elonmusk) July 21, 2026
The excluded material that Musk is referring to would fall under the International Traffic in Arms Regulations (ITAR), which restricts export of technical data tied to defense and space hardware. That likely rules out propulsion specifics for Merlin and Raptor engines along with guidance and control details for SpaceX’s launch vehicles, but leaves manufacturing knowledge, materials science, and Starlink hardware design on the table.
The announcement extends a pattern that has been building since SpaceX’s Nasdaq debut in June, when the company went public with Grok and xAI’s Colossus supercomputer folded into the pitch to investors.
Days after that listing, SpaceX closed its $60 billion all stock acquisition of coding startup Cursor, giving xAI both enterprise software distribution and a stream of real world developer data to train on. Grok 4.5 launched July 8 running partly on that Cursor training data, with Musk describing it as roughly comparable to Anthropic’s Opus 4.7 but faster and cheaper to run.
Feeding SpaceX’s own engineering data into the next AI model follows the same logic Musk has applied across xAI’s sister companies. Tesla supplies real world driving data and manufacturing expertise, X supplies conversational data, and now SpaceX supplies aerospace engineering data built up since 2002.
Musk did not give a release date for the upcoming AI model, referred to elsewhere as Grok 4.6. He has said the two trillion parameter run is in its final training phase and expected to wrap this week.
Tesla has extended its Bay Area ride-hailing service to include pickups and drop-offs at San Francisco International Airport (SFO). The update, shared via the company’s official channels on July 21, allows users in the region to request rides directly to and from one of California’s busiest airports.
The expansion builds on Tesla’s secured limousine permit for SFO operations. Public records show the permit became effective March 20, 2026, and remains active through January 31, 2027. Tesla vehicles operating the service now display authorized limousine permits issued by the City and County of San Francisco.
Our Bay Area rideshare service now goes to SFO ✈️
— Tesla AI (@Tesla_AI) July 21, 2026
Tesla’s ride-hailing program in California relies on Model Y vehicles equipped with Full Self-Driving (Supervised) technology. Human safety drivers remain present in compliance with state regulations, distinguishing the service from fully driverless operations.
The Bay Area geofence covers a broad area spanning north of San Francisco to south of San Jose, offering extensive connectivity across the region.
UPDATE: Elon Musk reveals why Tesla didn’t say ‘Robotaxi’ upon California launch
This SFO addition follows earlier progress at other Bay Area airports. Tesla previously expanded service to San Jose Mineta International Airport (SJC) in late 2025. The company had engaged with SFO, SJC, and Oakland International Airport officials as early as September 2025 to secure necessary approvals for passenger transport.
The service provides a new option for travelers seeking electric, app-based transportation integrated with Tesla’s ecosystem. Rides are booked through Tesla’s dedicated ride-hailing application, which handles matching, routing, and payments. Pricing follows standard ride-hailing models, with potential adjustments based on distance, time, and demand.
Tesla’s California ride-hailing program launched in July 2025 with an initial invite-only rollout in the Bay Area. It started alongside operations in Austin, Texas, marking the company’s second major U.S. market.
The Bay Area remains a primary focus in California, with service centered on high-demand corridors connecting residential, commercial, and now major transportation hubs. This latest airport integration represents a practical step in Tesla’s broader mobility ambitions within the state.
Tesla has officially revealed its 2026 Summer Update, which comes with a variety of crazy new features, including Navigation fixes that owners have been wanting for months.
Tesla routinely releases a larger update with the Spring, Summer, Fall, and Winter updates, where it ships a variety of new features, bug fixes, and other additions to customer cars.
The 2026 Spring Update featured things like “Hey Grok” voice assistance, a redesigned self-driving app, Unreal Engine visual upgrades, and more.
🚨 TESLA’S SUMMER UPDATE FOR 2026 IS HERE:
Featuring:
✅ Self-Driving Stats in Mobile App
✅ Caraoke with Scoring
✅ Automatic Navigation
✅ Preferred Routes
✅ Set Arrival Energy from Mobile App
✅ Send Custom Wraps from Mobile App
✅ Rear Display Lock
✅ Other Improvements
🔌… https://t.co/C9IW3egEhH
— TESLARATI (@Teslarati) July 21, 2026
Tesla’s Summer Release has about ten new features; we’ll show you each and detail them below:
New Grok Voice Commands
“Grok can now make phone calls, search and play music, adjust climate, open the glovebox, and answer questions about your Tesla.”
Self-Driving Stats in Mobile App
“View and share self-driving stats from the mobile app.”
Caraoke With Scoring
“Caraoke now scores your singing while in Park. High scores are saved to your Tesla profile.”
Automatic Navigation
“Automatic Navigation now adapts to your routine.
In addition to Home, Work, and upcoming calendar events, your vehicle can now suggest and route to places you visit regularly – like a school drop-off on the way to work, or the gym on the way home.”
Preferred Routes
“For a more personalized experience, navigation now prioritizes routes that you’ve taken before”
Set Arrival Energy from Mobile App
“Set your desired Arrival Energy from your phone.”
Send Custom Wraps from Mobile App
“Skip the USB drive and upload a custom wrap of your car from the mobile app. Instructions for creating a custom wrap here: https://github.com/teslamotors/custom-wraps.”
Rear Display Lock
“Kids can watch content on the rear screen, but only the front row can control it through the rear screen app.”
Other Improvements
- Find Superchargers by name when searching for a destination
- Add Apple Music songs to queue from search and artist page
- Set your preferred zoom level for the Self-Driving visualization
- Intro animations for new Model 3 and Y
Tesla Mobile App gets a new feature that wrap fans are going to love
Elon Musk handed Grok something no other AI company can get their hands on
