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Of Mice And Musk: A SpaceX Odyssey
Elon Musk has dreamed of a human colony on Mars since he was a young man. Today, his SpaceX company is taking the first steps toward achieving that dream.
As Ashlee Vance tells it, one wall of Elon Musk’s office at SpaceX headquarters in Hawthorne, California, contains two posters of Mars. On the left is Mars as it exists today – a frozen, lifeless orb. On the right is Musk’s vision of Mars as it could be — a happy place inhabited by humans who frolic on verdant continents surrounded by oceans.
“I would like to die thinking that humanity has a bright future,” he tells Vance while eating cookies and cream with sprinkles on top. “If we can solve sustainable energy and be well on our way to becoming a multi-planetary species with a self-sustaining civilization on another planet—to cope with a worst-case scenario happening and extinguishing human consciousness— then I think that would be really good.” No one has ever accused Elon Musk of thinking too small.
At the turn of the 21st century, Musk had two Martian fantasies. One was to send a colony of mice to the Red Planet and bring them back again, along with their interplanetary babies. The other involved building a greenhouse on Mars and letting Earthlings see the plants inside grow over the internet. Each venture required at least one if not two rocket ships.
He and a coterie of friends traveled twice to Moscow, once in 2001 and again in 2002, trying to purchase surplus Russian rockets that could be refurbished for the Martian missions. The first time did not go well. Recalls Jim Cantrell, one of the team that traveled to Moscow with Musk, “One of their chief designers spit on me and Elon because he thought we were full of shit.” On the second excursion, Musk became convinced the Russians he was meeting with were only interested in fleecing a gullible American with too much money and too few brains.
SpaceX CEO Elon Musk inside the Dragon V2 [Source: SpaceX]
On the way home from the second failed mission, Musk astonished his team by announcing, “Hey, guys, I think we can build this rocket ourselves.” In June 2002, Space Exploration Technologies, popularly known as SpaceX, was formed to build a cheaper rocket that could carry small payloads into space for paying clients on an average of once a month. The only problem? It had no rocket.
Such trifles were never matters to hold Elon Musk back. He assembled a team of committed rocket engineers and set about accomplishing, with millions, what NASA spent billions doing. Musk’s principle talent, apart from concocting outrageously impossible dreams, is finding people to work for him who are ready, willing and eager to give up all semblance of a normal life in exchange for insane working hours in remote locations. One test launching area was set up in the middle of Texas and another on far away Kwajalein Island, the largest island in an atoll between Guam and Hawaii that is part of the Marshall Islands.
“I would like to die thinking that humanity has a bright future”
SpaceX CEO, Elon Musk
Musk is not a man without a sense of humor. He dubbed his new rocket Falcon 1, paying homage to the Millennium Falcon of Star Wars fame. On its first flight on March 24, 2006, it crashed back to Earth after only 25 seconds. SpaceX employees dutifully donned scuba gear to retrieve some of the pieces from the ocean and set about rebuilding for another attempt.
Musk responded by hiring more engineers and starting work on a brand new rocket, the Falcon 9, that featured one large central rocket surrounded by 8 smaller rockets. Despite the failure of Falcon 1, Musk was already busy positioning the company to bid on NASA contracts to resupply the International Space Station.
On September 1, 2008, Falcon 1 flew its first successful mission. SpaceX was a viable commercial company at last but one that was rapidly going broke. At the end of 2008, Musk knew he would have to choose between SpaceX and Tesla. Alone, one of them might survive. Together? The odds were, both would fail. Musk worried that Tesla would be bought out by one of the Big Three automakers and become just a small part of a giant company.
Later in 2008, Tesla was within hours of defaulting on its payroll obligations. If that happened, Musk’s personal fortune would be gone, along with Tesla and SpaceX. He asked for help from venture capital group VantagePoint but was rebuffed. That’s when Musk put all his chips on red and let them ride.
Source: SpaceX
With all of his dreams and aspirations on the line, Musk executed a colossal bluff. He told investors he would put in $40,000,000 of his own fortune to keep the business going — $40,000,000 he didn’t have. Based on his assurances, other investors agreed to put up $20,000,000 more in financing and the crisis passed. A few weeks later, NASA awarded SpaceX a $1.6 billion contract to do twleve ISS re-supply missions.
Antonio Gracias, a Tesla and SpaceX investor and one of Musk’s closest friends, watched all of this at close hand. He says 2008 told him everything he would ever need to know about Musk’s character. “He has the ability to work harder and endure more stress than anyone I’ve ever met,” Gracias says. “What he went through in 2008 would have broken anyone else. Most people who are under that sort of pressure fray. Their decisions go bad. Elon gets hyperrational. He’s still able to make very clear, long-term decisions. The harder it gets, the better he gets.”
Today, SpaceX launches an average of one rocket a month, carrying payloads for many companies and several nations. Its prices undercut those of Boeing, Lockheed Martin, and Orbital Science by a wide margin. Many of its competitors rely on Russian and other foreign suppliers but SpaceX makes its machines from scratch in the U.S.
Its clientele includes Canadian, European, and Asian customers and it has more than 50 flights planned over the coming years worth more than $5 billion. The company remains privately owned, with Musk as the largest shareholder. SpaceX is profitable and is estimated to be worth $12 billion.
Falcon 9 discovery launch from Feb. 2014 at Cape Canaveral, FL [Image credit: SpaceX]
The Falcon 9 has gone from a fantasy to SpaceX’s workhorse. Painted pure white with only an American flag and the SpaceX logo adorning its sides, there’s nothing particularly flashy looking about the Falcon 9. It’s just an elegant, purposeful machine. And to think that for a period of weeks just a few years ago, it’s ability to lead mankind into the dawn of commercial space travel almost died before it was ever born, thanks to a bluff so bold and so daring, it would leave most of us breathless.
Jimmy Buffett once sang, “Read dozens of books about heroes and crooks, and I learned much from both of their styles.” Which one is Elon Musk? Read Ashlee Vance’s book and make up your own mind.
Source: Bloomberg
SpaceX’s Raptor engine family has steadily increased sea-level thrust while simultaneously reducing mass, turning iterative engineering gains into substantially higher performance for the Super Heavy booster. CEO Elon Musk shed more light on how powerful Raptor 4 will be, and it’s pretty crazy.
Raptor 1 delivered 185 metric tons of thrust at roughly 2,080 kilograms, while Raptor 2 raised that to 230 tons while cutting mass to about 1,630 kilograms. SpaceX data for Raptor 3 lists a target of 280 tons at 1,525 kilograms (with further reductions in associated vehicle hardware), while operational flight ratings have been cited near 250 tons.
This morning, Elon Musk stated that Raptor 4 is expected to reach 300 tons of sea-level thrust at roughly the same mass as Raptor 3. Across these versions, thrust has risen by more than 60 percent from the first engines while engine mass has fallen, producing a sharp improvement in thrust-to-weight ratio. This is a true testament to how great SpaceX engineering has been:
🚀 Elon says Raptor 4 will make 300 tons of thrust at sea level at roughly the same mass as Raptor 3.
How far Raptor has come:
Raptor 1: 185 tf, 2,080 kg
Raptor 2: 230 tf, 1,630 kg
Raptor 3: 250 tf, 1,525 kg
Raptor 4: 300 tf33 on Super Heavy = ~9,900 tf, nearly 3x Saturn V https://t.co/HQDswZhyvL
— TESLARATI (@Teslarati) October 26, 2026
With 33 engines on SuperHeavy, the jump from earlier versions to a 300-ton Raptor 4 would produce roughly 9,900 metric tons of total liftoff thrust, nearly three times the Saturn V’s approximately 3,400 metric tons from its five F-1 engines.
This is not just a larger number on a data sheet, either, as sea-level thrust is the force available the moment the vehicle leaves the pad. This is when it is heaviest and still deep in Earth’s gravity well and dense atmosphere.
Higher levels of sea-level thrust directly improves the initial thrust-to-weight ratio of the full stack. A higher ratio produces faster acceleration off the pad, which shortens the time the rocket has to spend fighting gravity, and gravity losses during the first minute or two of the flight are a major drain on total available delta-v. Every second shaved off of that early climb preserves more propellant energy for reaching orbital velocity or for carrying extra payload.
Because Super Heavy’s engine count is constrained by vehicle diameter and packing density, increasing thrust per engine is the most straightforward way to raise total liftoff performance without redesigning the booster structure or design.
The same-mass target for Raptor 4 is equally important. Holding engine mass roughly constant while raising thrust improves the engine’s own thrust-to-weight ratio and reduces the structural and propellant mass fraction that must be carried solely to support the engines.
Earlier Raptor iterations also simplified or eliminated extensive vehicle-side hardware such as heat shields. These gains compound: more force for less installed mass leaves additional capacity for propellant, payload, or operational margins such as engine-out capability.
For Starship’s architecture, the practical effects are large. Greater liftoff thrust supports heavier vehicles, larger propellant loads, and higher payloads to low Earth orbit, figures SpaceX has targeted in the 100-plus-ton reusable range. That capacity underpins orbital refueling, lunar missions, and eventual Mars cargo and crew flights.
Continued growth in sea-level thrust therefore tightens the gap between theoretical rocket performance and the high flight rates and reusability needed to make large-scale space transport practical.
Tesla has expanded its Tesla Assisted Driving (TAD) suite to its tenth European country, as Latvia joined a growing list of European Union member states authorizing the company’s advanced driver assistance technology.
Tesla Europe announced this morning that the system is now approved in Latvia, with a software rollout to begin soon.
The approval and rollout follow recognition of a provisional European type approval originally granted by the Netherlands’ RDW authority on April 10.
🚨 Latvia has just received approval for Tesla Full Self-Driving (Supervised)
This is the 10th country in the EU to gain approval:
1. Netherlands — 10 April 2026 (original RDW approval)
2. Lithuania — 20 May 2026
3. Estonia — 29 May 2026
4. Denmark — 9 June 2026
5. Belgium — 10 June 2026
6. Slovenia — 7 September 2026
7. Czechia — 21 September 2026
8. Croatia — 29 September 2026
9. Slovakia — 16 October 2026— TESLARATI (@Teslarati) October 26, 2026
Latvia’s Road Traffic Safety Directorate (CSDD) evaluated the Dutch documentation, coordinated with the other national authorities, and reviewed updates from Tesla. These included tightened limits on speed offsets, automatic resets of any manual speed adjustments after each trip, and stronger driver monitoring.
In Europe, the feature is marketed as Tesla Assisted Driving after a recent rule change that labeled the name “Full Self-Driving” as misleading.
The system remains an SAE Level 2 driver assistance tool, not unsupervised autonomy. It can control speed, steering, braking, lane changes, and intersections while following a navigation route. Drivers need not keep their hands on the wheel at all times, yet they must continuously monitor the road and be prepared to intervene immediately.
The sequence of EU recognitions began with the Netherlands in April and continued through Lithuania, Estonia, Denmark, Belgium, Slovenia, Czechia, Croatia, and Slovakia. Most have relied on mutual recognition of the single Dutch provisional approval rather than independent national testing.
These national clearances do not yet constitute bloc-wide authorization. An EU-wide decision requires a qualified majority in the Technical Committee on Motor Vehicles: at least 15 of 27 member states representing 65 percent of the EU population. Larger markets, like Germany, France, and Italy, remain under review, and a vote is expected this December.
However, for Latvian Tesla owners with compatible vehicles and software, the imminent rollout expands access to the supervised system while underscoring that attentive human oversight remains essential.
Tesla expanded its Robotaxi geofence in Houston, Texas, today, enlarging the service area and drawing a new rocket-shaped boundary across the city’s northwestern and central parts.
Although CEO Elon Musk said it was just a coincidence, the expansion seems to be an ode to SpaceX and its potential merger with Tesla.
🚨 Tesla has just expanded its Robotaxi geofence in Houston
It looks a lot like a rocket — we all remember the shape in Austin 🤣 https://t.co/cFOPEuiJ4u
— TESLARATI (@Teslarati) October 26, 2026
The official Tesla Robotaxi account announced the change with the lines “Houston, we have liftoff” and “Bigger service area now live,” pairing them with a map overlay.
The prior white geofence, roughly 25 square miles covering Jersey Village, Harvest Bend, and the Willowbrook corridor along U.S. 290 and State Highway 249, now sits inside a larger blue zone that stretches southeast toward Bellair and closer to central Houston.
Houston’s Robotaxi service launched on April 18, 2026, the same day as Dallas, as Tesla’s first unsupervised public expansion beyond Austin. From the start, the vehicles were Model Ys running without anyone in the front seats, booked through the dedicated Tesla Robotaxi app and open to the public inside the geofence.
Trackers measured the initial zone at about 25 square miles; by late September it had not grown substantially. Community and registry data indicated a modest local fleet of unsupervised Model Ys, while dozens to nearly 200 Cybercabs, the purpose-built, steering-wheel-free two-seaters, have been spotted staging and testing in Houston lots, though public Cybercab rides remain limited to Austin for now.
Across the broader Robotaxi program, Tesla began public Robotaxi rides in Austin in June 2025, as a small geofence and vehicles with safety monitors became available for a ride-hailing service. Later on, Tesla removed the monitors and steadily expanded the service area until it covered most of the Austin metro area.
Unsupervised Robotaxi services now run in six cities: Austin, Dallas, Houston, Miami, Orlando, and Tampa. Cumulative driverless miles reported by the company have reached several million. The Cybercab entered public service in Austin in early September 2026 and has scaled rapidly there. The company has also said that Dallas is next for Cybercab rides in November, with further cities and 24/7 hours targeted by year-end, plus fleet-operator sales of the vehicle.
Waymo also operates a fully driverless service in Houston, which has been open to the public since August of this year.
The Houston expansion continues Tesla’s pattern of starting with tightly controlled validation zones before widening coverage as real-world data accumulates, while the rocket motif on the map underscores the company’s habit of injecting visual flair into its autonomy rollout.
Riders inside the new boundary can request unsupervised Model Y trips in the Robotaxi app; exact operating hours and further Cybercab availability remain subject to app updates and company statements.
How SpaceX Is raising Raptor’s sea-level thrust while holding engine mass steady
Tesla Assisted Driving expands to tenth EU country
