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SpaceX rocket boosters line up in port for the first time after back-to-back launches

For the first time ever, two flight-proven Falcon 9 boosters have met in port after back-to-back launches and landings. (Richard Angle)

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For the first time ever, two SpaceX Falcon 9 boosters – fresh off of two successful Starlink launches and landings – have met back at Port Canaveral, creating the first rocket ‘traffic jam’ of its kind.

On March 11th, Falcon 9 booster B1058 stuck its sixth launch and landing after supporting SpaceX’s sixth dedicated Starlink launch (Starlink-20) this year. 74 hours later, a separate Falcon 9 rocket lifted off from SpaceX’s second East Coast launch pad, successfully sending another batch of 60 Starlink satellites (Starlink-21) on their way to orbit. For its role in the mission, booster B1051 became the first Falcon first stage to launch and land nine times – just one shy of a ten-flight rocket reusability goal SpaceX has been chasing for years.

Now, aside from setting the new standard for Falcon reusability, placing 120 satellites into orbit in three days, and breaking SpaceX’s record for the shortest turnaround between two East Coast launches, the back-to-back Starlink launches have left both Falcon 9 boosters in the right place and right time to cross paths as they prepare for future flights.

Two boosters, one port. (Richard Angle)

As SpaceX began to ramp up its orbital launch cadence – largely thanks to Starlink – throughout 2020, it become clear that the company would eventually start to find new pressure points as it pushed its fleet of reusable rockets and their recovery assets to new limits. In 2021, that intentional exertion of stress across the broader SpaceX launch ‘pipeline’ has become even clearer.

A mere 10 weeks into 2021, SpaceX has already completed eight orbital launches, averaging one mission every nine days or 40 launches per year if extrapolated through the end of 2021. Just two days prior to Falcon 9 booster B1058’s arrival back at Port Canaveral after its successful Starlink-20 launch, Falcon 9 booster B1049 – last tasked with launching Starlink-17 on March 4th – wrapped up its port processing and was transported by road back to Cape Canaveral Air Force Station (CCAFS) or Kennedy Space Center (KSC) to prepare for its ninth flight.

At that point, it became clear it was just a matter of time before two boosters would simultaneously occupy SpaceX’s Port Canaveral berths. Two days later, record-breaking Falcon 9 booster B1051 arrived back in port and was greeted by booster B1058 – legs retracted, standing vertical, and waiting to be ‘broken over’ (brought horizontal) for transport.

It’s hard to imagine a better or (pardon the buzzword) more synergistic pair of boosters to appear in port together. On their separate launch debuts, Falcon 9 B1051 supported Crew Dragon’s spectacularly flawless uncrewed launch debut, while Falcon 9 B1058 became the first private rocket in history to launch US astronauts 14 months later. Known as Demo-1 and Demo-2, those two missions collectively mark arguably the most significant milestone in the history of modern US spaceflight, ending a decade-long period where the US was unable to launch its own astronauts.

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B1058 returned to port aboard drone ship Just Read The Instructions on March 14th. (Richard Angle)
B1058 awaits B1051’s arrival on March 16th. (Richard Angle)

Just a week after the rocket’s 2019 Demo-1 launch debut, Falcon 9 B1051 is SpaceX’s new booster fleet ‘life leader’ (the most-flown rocket) after averaging one launch ever 11 weeks for the last two years. Aside from supporting Cargo Dragon 2’s launch debut last December, Falcon 9 B1058 has flown six times, averaging an even more impressive one launch every eight weeks. Together, the two boosters have aced 15 orbital-class launches roughly 190 metric tons of satellites and Dragon spacecraft into orbit in their two-year career, significantly more than the maximum payload of Saturn V – the largest rocket to successfully launch.

Falcon 9 B1051 could reportedly fly for the tenth time as early as April 2021.

B1051 arrived back in port aboard drone ship Of Course I Still Love You on March 16th. (Richard Angle)
B1051 (left) and B1058 (right). (Richard Angle)
SpaceX could flip B1058 horizontal as early as March 16th. B1051 will likely take its place on the dockside stand for landing leg retraction later this week. (Richard Angle)

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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Investor's Corner

Elon Musk drops a Thanksgiving hint about Starship’s biggest test yet

Elon Musk says Starship Flight 15 will try to catch the ship itself, a first.

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Elon Musk says SpaceX’s next Starship flight will try something nobody has done before, by catching the ship itself. Speaking to roughly 2,000 people at the X Takeover event at Giga Texas on Saturday, Musk said Flight 15 is about four to six weeks away and “probably launches a little bit before Thanksgiving, is my guess.”

That is a slip from earlier reporting, which had pointed to a launch as early as October 19. Musk explained why the date keeps moving. “We’re making a bunch of improvements to the rocket between every flight,” he said, adding that there are often hundreds, sometimes thousands, of small changes. This time the list is short, “but some of them take a fair bit of work and we’ve got to go inside the tank to make some of these changes.”

“We’re going to try to catch the ship, which is a super big deal,” Musk said. “If we do so, that’ll be the first time that there’s been full recovery of an orbital class rocket.” SpaceX has already caught the Super Heavy booster with the tower’s mechanical arms, and has talked about catching the ship since late 2025, but the upper stage has never been caught.

Musk also laid out what comes after. “The next big milestone would be to refly both the booster and the ship,” he said, describing a Flight 16 where “all parts of an orbital rocket are reflown.”

The reason SpaceX wants this comes down to cost and cadence. Every Starship ship so far has ended its flight in the ocean, and SpaceX expects most of those water landings to end in fireballs. A ship that returns to Starbase intact can be inspected and flown again. SpaceX’s IPO filing, says Starship V3 is designed to deliver 100 metric tons to orbit in a fully reusable configuration, that SpaceX aims to cut the cost to reach orbit by 99% or more versus the historical average, and that tower catches should allow “multiple launches per day.”

The payoff goes beyond cheaper launches. The next generation Starlink V3 satellites are too large for Falcon 9 and can only fly on Starship, which can carry up to 60 per flight. Flight 14 on September 28 deployed the first 26 of them after Starship reached orbit despite an early engine shutdown, as Teslarati reported. Musk blamed engine computer software, and said the heat shield “was extremely robust,” which he claimed in August had solved Starship’s biggest challenge.

NASA’s Moon plans depend on the same capability. NASA’s inspector general has described a lander mission that needs a propellant depot in low Earth orbit and more than 10 tanker flights, with SpaceX targeting one tanker launch every six days. That schedule only works if ships and boosters come back fast and fly again. Also, ship to ship propellant transfer has not been attempted yet.

One interesting hurdle yet to be explored is bringing the ship back to the launch site, with reentry over land, which will undoubtedly come with a lot of aviation safety reviews.

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Lifestyle

Tesla’s mirrorless Cybercab will give riders a visibility upgrade

Tesla engineer confirms Cybercab update letting riders pull up rear and repeater cameras on demand.

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Tesla Cybercab camera visibility for passengers (Credit: Dan Burkland via X)
Tesla Cybercab camera visibility for passengers (Credit: Dan Burkland via X)

Tesla is working on a Cybercab update that would let passengers pull up the vehicle’s rear and side cameras on demand, and the request came straight from a rider.

The exchange played out on X late Friday. Cybercab rider Dan Burkland shared photos of the two-seater’s cabin screen after an evening ride, praised the UI team’s work, and left one request: let riders open the rear and repeater cameras whenever they want, “especially for peace of mind.” Tesla UI software engineer Evan (@CarCoder) answered with two words: “In development.”

The idea fits a pattern Teslarati has tracked since public rides began. Days after paid Cybercab service opened in Austin, Tesla sent riders a survey that asked them to rate the touchscreen, the app and the cabin, and to pick the features they wanted most. We reported on that survey in September, and a camera view is the kind of small software change Tesla can push quickly if riders keep asking.

It also speaks to something unique about the vehicle. With no steering wheel, no pedals and no driver, passengers have no mirror to check and no way to see behind them. The hardware is clearly built for camera awareness, from the repeater cameras to the rear camera. Letting a passenger look through those same cameras would give a nervous first time rider a way to confirm what is around the car.

The timing matters because the fleet is growing fast. Tesla’s Robotaxi account said on Saturday that more than 300 Cybercabs are now serving Austin, an eightfold increase in 30 days, and Tesla AI chief Ashok Elluswamy named Dallas as the next city. More cars and more cities mean more people riding in a driverless vehicle for the first time, which is exactly when small trust features carry weight.

For now, the feature is confirmed only as in development. If Tesla follows its usual pattern with Cybercab software, riders could see it appear in a point release without any announcement, and Teslarati will watch for it.

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Tesla’s Cybercab fleet jumped 8x in a month, with Dallas up next

Tesla confirms its first official Cybercab fleet number as Austin scales fast and Dallas looms.

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Tesla says more than 300 Cybercabs are now serving Austin, the first time the company has put an official number on its active Cybercab fleet. The figure came from the Robotaxi account on X on Saturday, which wrote that one month after launch the service had “scaled to 300+ Cybercabs serving Austin – an 8x increase in 30 days.”

Ashok Elluswamy, Tesla’s head of AI software, quoted the post with a line that carried the bigger news. “Two years since the 10/10 Cybercab WeRobot event, the cabs are everywhere in Austin now. Dallas soon,” he wrote. It is the first time Tesla has named the next city for public Cybercab rides.

Tesla opened Cybercab rides to the public in Austin on September 4, as Teslarati reported, a day after an invite only launch event. The ramp since then has been steep. Our September 28 report had the fleet at well over 100 units after availability jumped from 58 to 125 in a single week. On Thursday, Tesla added 150 Cybercabs to the Texas automated vehicle registry, lifting its registered count to 319 from 169. The first seven appeared on the registry on August 31.

RobotaxiTracker, a community site that counts vehicles from sightings and state records, listed 275 vehicles in unsupervised service in Austin on Saturday, 105 of them Cybercabs, which is well below Tesla’s figure. Tracker counts can lag official numbers, though Sawyer Merritt noted that Cybercab wait times in Austin stayed short on Saturday evening even with more than 2,000 fans in town for X Takeover.

Regulators are watching the rollout. NHTSA opened an audit query into Tesla’s certification that the Cybercab meets federal safety standards, and sworn answers are due October 30. Tesla reports third quarter earnings on October 21, which gives the company a natural venue to define its fleet numbers and put a date on Dallas.

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