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SpaceX’s first Falcon 9 landing of 2019 foreshadows rapid rocket fleet growth
Despite an unplanned landing anomaly that foiled SpaceX’s last Falcon 9 recovery attempt, the company’s engineers and technicians have pulled off another successful launch and landing of Falcon 9 – the 33rd for the rocket family – and the first of the new year.
After helping place Iridium’s 8th and final set of NEXT satellites into a parking orbit, Falcon 9 B1049 landed aboard drone ship Just Read The Instructions approximately 7 minutes after liftoff, marking the Block 5 booster’s second successful mission in just under four months. As of now, all but one of SpaceX’s flight-ready Falcon 9 boosters have now performed two or three orbital-class launches and are quickly becoming a truly reusable fleet of rockets.
Webcast of Falcon 9 launch to complete the @IridiumComm NEXT constellation is now live → https://t.co/gtC39uBC7z pic.twitter.com/lU3TwSeCbz
— SpaceX (@SpaceX) January 11, 2019
Throughout the second half of 2018, SpaceX gradually built, tested, launched, and relaunched a growing fleet of Falcon 9 Block 5 boosters, the first of which debuted in May. Including new boosters that have arrived at their launch pads but have yet to launch, SpaceX’s skilled production and testing team managed to ship, test, and deliver an impressive 1 to 1.5 Falcon 9 boosters, 1-2 upper stages, and 3-4 payload fairing halves on average each month. Thanks to Falcon 9 Block 5’s increasingly exceptional reusability, SpaceX does not have to outproduce other companies and national space programs to dramatically out-launch them, exemplifed by the fact that SpaceX alone was able to launch more orbital missions than the combined output of every company and country aside from China.
As more Falcon 9 and Falcon Heavy Block 5 booster are introduced into SpaceX’s growing fleet, the company’s many distinct advantages of direct and indirect competitors should come more and more into play and be increasingly difficult to avoid or ignore. As of today, a fairly incredible number of additional new Falcon boosters are already in their testing and delivery phases, a number that ignores the four (or five) flight-proven boosters and two unflown Falcons known to already be at or ready to ship to launch sites.
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- SpaceX’s second Falcon 9 Block 5 booster was spied by an aerial photographer in Texas, April 17. (Aero Photo)
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- Falcon 9 Block 5 will be absolutely critical to the success (and even the basic completion) of Starlink. (Tom Cross)
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- The second Block 5 booster, B1047, debuted at LC-40 on July 21. (Tom Cross)
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- SpaceX’s third Falcon 9 Block 5 booster successfully returned to Port of Los Angeles aboard drone ship Just Read The Instructions (JRTI) on July 27th. (Pauline Acalin)
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- It’s unclear what exactly causes it, but Falcon 9 Block 5’s newly heat-shielded legs turn a rather bright white after being scorched during booster landings. (Pauline Acalin)
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- Falcon 9 B1046.3. (Pauline Acalin)
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- SpaceX technicians remove Falcon 9 B1046’s titanium grid fins after its historic third launch and landing, December 2018. (Teslarati – Pauline Acalin)
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- Falcon 9 B1046 became the first SpaceX booster to launch three separate times in early-December 2018. (Pauline Acalin)
Just for Falcon Heavy’s second and third launches (NET March and April), SpaceX will deliver another two boosters (one side and one center) to Florida within the next ~6 weeks and will likely ship, test, and deliver another two or three new Falcon 9 boosters in the first half of 2019 for commercial missions and two crewed Crew Dragon launches scheduled for the second half of the year. Although Falcon Heavy’s new side boosters will likely remain side boosters for both of the rocket’s next missions, that should mean that they will be free enter the single-stick Falcon 9 fleet sometime in H2 2019, as will the three new boosters assigned to Crew Dragon this year. Falcon Heavy’s center core will remain dedicated to Falcon Heavy launches as a result of the extensive modifications necessary to support triple the thrust of a normal Falcon 9.
Regardless, this ultimately means that SpaceX’s reusable Falcon fleet could feature as many as 12-15 boosters capable of something like 5-10 additional launches each by the second half of fourth quarter of 2019. At that point, SpaceX might have enough experience with Block 5 and enough flight-proven boosters to plausibly begin a revolutionary shift in how commercial launches are done. With far more boosters available than SpaceX has payloads to launch, multiple flight-ready Block 5 rockets will inevitably stack up at or around the company’s three launch pads and surrounding integration and refurbishment facilities.
Liftoff of Iridium-8 from Vandenberg AFB. Gorgeous morning to end a beautiful launch campaign. 🚀 pic.twitter.com/RZPRRV9i5t
— Pauline Acalin (@w00ki33) January 11, 2019
Instead of the current process of launch where boosters are dedicated to certain missions in fairly iron-clad terms, SpaceX could conceivably treat its launch services as actual services, meaning that – aside from requests for unflown hardware or customer-specific standards (i.e. USAF/NASA/NRO) – the specifics of booster assignments would be no more of a worry to customers than the cargo plane goods are delivered with matters to 99% of logistics customers. A plane is typically a plane regardless of whether it has flown for 10 hours or 10,000 hours. That sort of interchangeability and hands-off approach to customers is likely at least 12 months off, if not longer (old habits die hard), but a fleet of a dozen or more flight-ready rockets is truly a brave new world for commercial spaceflight and even spaceflight in general.
For prompt updates, on-the-ground perspectives, and unique glimpses of SpaceX’s rocket recovery fleet check out our brand new LaunchPad and LandingZone newsletters!
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
