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SpaceX to test last old-gen Falcon 9’s orbital upper stage lifespan tonight

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SpaceX Falcon 9 B1045 is just hours away from completing its second and final mission, a launch that will also signify a swan-song for the reusable rocket company’s Block 4 and older boosters. Not one to let an opportunity go to waste, Elon Musk’s space company intends to do a long coast demonstration of the orbital upper stage once the reused Cargo Dragon spacecraft separates.

Jessica Jensen, SpaceX’s Director of Dragon Mission Management, spoke among a panel of CRS-15 stakeholders on the morning of June 28 and spoke evident pride and confidence in the company’s progress up to this point, with respect to both the mission at hand and SpaceX’s achievements more generally. CRS-15, the third flight-proven Dragon and Falcon 9 launch, is a fitting mission for SpaceX to bring to a close their H1 launch manifest (the 12th of 2018), mainly due to the impressive fact that more than two-thirds of the boosters launched this year have been flight-proven.

Falcon 9 B1045 before its first launch, carrying NASA’s TESS exoplanet observatory, in April 2018. (Tom Cross)

As Jensen rightfully noted, SpaceX completed its first-ever reuse of a recovered Falcon 9 booster scarcely 15 months ago in March 2017, a period in which SpaceX has since completed 26 missions, recovered 16 Falcon 9 and Heavy boosters, and successfully launched 12 flight-proven rocket boosters. At the current rate of launch, SpaceX is likely to smash its previous annual cadence record – 18 in 2017 – with anywhere from 24 to 28 launches this year, with CRS-15 marking a dozen missions in the first half of the year, if successful. As such, simply the launch frequency in the first six months would bring SpaceX to 24 completed missions this year. A slight uptick, perhaps as a result of the rapid reusability of new Block 5 boosters, might allow SpaceX to squeeze in several additional missions.

Falcon 9 B1045 and it’s Cargo Dragon C111 prepare for their second flights on June 29. (Tom Cross)

Critically, Jensen also noted that B1045’s final launch will be significant for a reason other than the fact that it nearly halved the previous record for Falcon 9 booster refurbishment, an accomplishment she ceded to the skill and growing experience of SpaceX’s rocket refurbishment teams of engineers and technicians. Aside from that growing expertise, she stated that

“[CRS-15] will also be the final Block 4 configuration of a Falcon 9 booster that SpaceX flies, so all the boosters from here on out will be the Block 5 version.”

Barring unforeseen design flaws, Falcon 9 Block 5 has the potential to be a game-changer, perhaps allowing SpaceX to finally realize a long-term goal of dramatically lowering the cost of access to orbit with new reliable, reusable rockets. Reported by NASASpaceflight.com to be flying aboard a Block 4 booster, something also confirmed to Teslarati through a separate source, it’s not 100% clear if Jensen’s blanket statement included the upcoming in-flight Crew Dragon abort test, scheduled sometime after the upgraded Dragon’s first launch in late 2018. Regardless, she is fully correct in the sense that all future commercial SpaceX launches after CRS-15 will quite definitively fly aboard Falcon 9 and Heavy Block 5 rockets.

Flight-proven Cargo Dragons a new norm for SpaceX

Meanwhile, the specifics of CRS-15 mirror SpaceX’s two most recent International Space Station resupply missions, both of which simultaneously flew flight-proven orbital Cargo Dragon spacecraft and flight-proven Falcon 9 boosters, leaving just the second stage and Cargo Dragon trunk to be expended. As a taste of the future SpaceX fully intends to realize, the spectacle of these CRS missions is not only undeniable but demonstrates a newfound confidence in commercial reusable rockets growing within NASA, an agency that SpaceX would quite simply not be here today without.

https://twitter.com/_TomCross_/status/1012490324646748163

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After CRS-15, SpaceX has another five flight-proven Cargo Dragon missions left on their CRS-1 contract, after which the updated CRS-2 contract will take over, replacing the old Cargo Dragon with an upgraded cargo version of SpaceX Crew Dragon, also known as Dragon 2. CRS-2 launches are currently scheduled to begin sometime in 2020.

Finally, reminiscent of Falcon Heavy’s spectacular debut launch, Falcon 9’s upper stage “will be doing a long coast demonstration [after Cargo Dragon separates from the rocket]”. Jensen was unable to go into more detail here, but it can be safely presumed that the S2 coast test is either related testing for upper stage reusability or is being used as an opportunity to further demonstrate on-orbit coast capabilities to the US Air Force and/or NASA, a feature that is necessary for certain national security and interplanetary missions.

Follow us for live updates, peeks behind the scenes, and photos from Teslarati’s East and West Coast photographers.

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Pauline Acalin  Twitter

Eric Ralph Twitter

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 CEO Elon Musk reveals new details about Robotaxi rollout

The first Tesla Robotaxi unit was spotted in Austin earlier today, and CEO Elon Musk is revealing some cool new details.

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Tesla CEO Elon Musk has revealed new details about the company’s relatively imminent rollout of the Robotaxi platform as the suspected launch date of June 12 continues to near.

Earlier today, the first video showing the first driverless Tesla Robotaxi in Austin was shared on X, just a day after the City officially listed the company as an autonomous vehicle operator on its website. Tesla is listed as a company in the “Testing” phase.

The initial details of the Robotaxi are being revealed by Musk, who is carefully releasing small tidbits that seem to show the capabilities of the entire Tesla fleet, and not necessarily just the vehicles that will be involved in the initial rollout in Austin.

First Tesla driverless robotaxi spotted in the wild in Austin, TX

His first tidbit is one that many Tesla owners and fans will already know: many Teslas are capable of this driveless performance, but Full Self-Driving is not yet refined to the point where the software is quite ready to handle it. Current versions are robust, but not prepared for driverless navigation. The hardware, however, will enable Teslas to be Robotaxis, even if they’re already purchased by owners:

This is one of the biggest advantages Tesla has over other vehicle makers. Simply put, the Over-the-Air software updates that will roll out to FSD users will eventually make their cars into Robotaxis as well.

However, Musk shed some details on the version of FSD that is being run in these new Robotaxis that were spotted. Musk said that the version these Robotaxis are running is a new version, but will soon “merge to main branch.”

There is also an even newer version that has four times the parameters as this newer version that the test-stage Robotaxis are using, but Musk admits that this needs significant refinement before it is released to the public.

As of now, Tesla is simply teasing the actual launch date of the Robotaxi program, but Bloomberg reported earlier this month that it will occur on June 12.

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First Tesla driverless robotaxi spotted in the wild in Austin, TX

The short clip suggests that Tesla may be ramping up its preparations for its robotaxi rollout in Austin.

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Credit: @TerrapinTerpene/X

A recent video posted on X has provided a first look at Tesla’s driverless robotaxi, which is expected to be deployed in Austin, Texas, this month. The vehicle was a new Tesla Model Y, which was followed by what appeared to be a manned chase car.

The short clip suggests that Tesla may be ramping up its preparations for its robotaxi rollout in Austin.

The First Robotaxi Sighting

It was evident from the short clip that the Tesla robotaxi was operating completely driverless. In the video, which was posted on X by @TerrapinTerpene, the driverless Tesla could be seen confidently making a turn. The vehicle looked and behaved like any other car on the road, save for the fact that there was no one in the driver’s seat.

Interestingly enough, the short video also provided a teaser on where Tesla will place its “robotaxi” logo on its self-driving cars. Based on the video, the robotaxis’ logo will be tastefully placed on the front doors, making the vehicles look sleek and clean.

Initial Rollout Imminent

Recent reports have suggested that Tesla is already starting the testing phase of its robotaxi service in Austin, Texas. Expectations are also high that Tesla’s initial fleet of self-driving vehicles will be utilizing a lot of teleoperation to ensure that they operate as safely as possible.

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Updates to Austin’s official website recently have hinted at Tesla’s robotaxi launch. Just this Monday, Tesla was listed as an autonomous vehicle (AV) operator on Austin’s official Department of Motor Vehicles (DMV). Other AV operators listed on the site are Waymo and Zoox, among others.

Elon Musk, for his part, has noted that by the end of June, the public in Austin should be ready to take rides in Tesla robotaxis without an invitation. He also noted in late May that Tesla has been busy testing driverless cars on Austin’s city streets without any incidents.

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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. 

https://twitter.com/daltybrewer/status/1932171519817621536

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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https://twitter.com/Tesla/status/1932171187700084910

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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