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SpaceX to test last old-gen Falcon 9’s orbital upper stage lifespan tonight
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.
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.
- The first Block 5 Falcon 9 lifts off on May 4, 2018. (Tom Cross)
- After CRS-15, all orbital launches will be use Block 5 boosters and upper stages. The upgraded rocket’s next launch is NET July 20. (Tom Cross)
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
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.
- An overview of Crew Dragon’s main features, all of which can be seen in the real-life photos. The Cargo Dragon version will likely remove seats and windows. (SpaceX)
- The DM-1 Crew Dragon testing inside SpaceX’s anechoic chamber, May 2018. (SpaceX)
- SpaceX’s Demo Mission-1 Crew Dragon seen preparing for vacuum tests at a NASA-run facility, June 2018. (SpaceX)
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Elon Musk
Tesla’s Robotaxi dreams just took a massive step toward reality
Tesla’s dreams of operating a fully autonomous ride-hailing platform just took a massive step toward reality, as two separate events have indicated the company is perhaps closer than ever to achieving self-driving as a product.
On Thursday, Tesla was granted authorization by the State of Texas to operate driverless vehicles in a commercial manner. On May 28, Senate Bill 2807, passed by the 89th Texas Legislature, took effect after being passed back on September 1, 2025.
The bill establishes a statewide regulatory framework requiring authorization from the Texas Department of Motor Vehicles for companies to operate automated vehicles commercially on Texas roads.
This covers driverless, or SAE Level 4+, operations for passenger transport, meaning Robotaxi, or freight.
Tesla and other companies can self-certify their vehicles and tech as long as they:
- Operate in compliance with Texas traffic laws
- Maintain proper registration, title, and insurance
- Use compliant automated driving systems
- Record onboard activity and handle system failures and glitches safely.
The new authorization, which was first reported by James Stephenson on X, allows companies to utilize their own processes to determine if their vehicles are ready to operate without drivers.
🚨BREAKING:
Tesla has been authorized by the State of Texas to operate driverless vehicles commercially under the new law that took effect today, May 28th, 2026. Tesla has officially self-certified the software running on its robotaxis as Level 4. $TSLA pic.twitter.com/KSJdsvlaW5— James Stephenson (@ICannot_Enough) May 28, 2026
It is a rule that expedites the entire approval process, keeping agencies out of a usually long, lengthy, and frustrating task that is essential to technological advancements. It essentially means Tesla can launch commercial Robotaxi operations at this point.
On the very same day, Tesla continued the momentum as CEO Elon Musk shared a video of Cybercab units autonomously driving off the property at Gigafactory Texas. This is a major step in the story of the Cybercab.
Mass production of the Cybercab started at Giga Texas in April, and it is already heading out of the factory on its own.
Cybercab driving itself out of the GigaTexas factory pic.twitter.com/EwAMVVDjYy
— Elon Musk (@elonmusk) May 28, 2026
These two major events mark a drastic step forward in Tesla’s progress toward Cybercab and the permissions it needs to operate a self-driving ride-hailing service. Tesla is now able to operate autonomously under Texas law by self-certifying, and with the potentially imminent rollout of Cybercab, Tesla’s autonomous dreams are starting to take serious shape.
Elon Musk
The Tesla and SpaceX merger everyone is talking about is quietly building
Tesla and SpaceX may be closer to merging than Wall Street or either company is admitting.
Elon Musk has reportedly discussed merging Tesla and SpaceX with people close to him, according to CNBC, which cited sources familiar with the conversation. Tesla employees have long expected such a transaction and the topic is openly discussed internally, according to internal sources. With SpaceX is days away from kicking off its Wall Street roadshow for what could be the largest IPO in market history, this would be the first time the company will have public market currency to execute a stock-for-stock deal with Tesla.
The financial logic for a merger would make sense. A combined SpaceX and Tesla would create a conglomerate spanning rockets, satellites, electric vehicles, AI infrastructure, and energy storage valued at roughly $3.35 trillion to $3.6 trillion based on SpaceX’s IPO target range and Tesla’s current market capitalization. The two companies are already more intertwined than most people realize. SpaceX bought $697 million worth of Tesla Megapack systems for xAI data centers and $131 million worth of Cybertrucks. Tesla invested $2 billion in xAI, which subsequently merged with SpaceX. Past transactions also include Tesla selling solar equipment and parts to SpaceX, and SpaceX helping with Cybertruck materials.
Will Tesla join the fold? Predicting a triple merger with SpaceX and xAI
Musk himself signaled where this was heading in November 2025 when he posted on X, “My companies are, surprisingly in some ways, trending towards convergence.” Tesla and SpaceX announced a joint semiconductor fabrication facility in Austin called Terafab on the Gigafactory Texas campus, covering two advanced chip factories, with one serving Tesla’s AI needs for vehicles and Optimus robots, the other targeting space-based data centers under SpaceX’s infrastructure vision.
Wedbush analyst Dan Ives places the probability of a merger at 80% to 90% with a target completion in the first half of 2027. The mechanics of a deal became possible the moment SpaceX filed its S-1. Legal experts said a merger likely would not spark antitrust issues but would raise concerns among shareholders in each company, with questions around which company would be the parent, how a stock swap would take place, and who determines the appropriate price. Musk holds about 20% of Tesla’s equity but controls 85.1% of SpaceX’s voting power through a super-voting share class, meaning he would largely be negotiating the terms with himself.
Not everyone is convinced the timing is imminent. Traders on Kalshi place only 33% odds that a merger will happen before May 2027. The more immediate concern for Tesla shareholders is whether the SpaceX IPO pulls capital and Musk’s attention away from Tesla before any merger consolidates the upside for both.
What is clear is that the structural groundwork is already being laid. The Terafab announcement, the xAI merger, the shared supply chain, the cross-company balance sheet transactions, and now the IPO all point in the same direction. Whether the merger follows in 2027 or later, the two companies are already operating more like divisions of a single entity than independent competitors.
Elon Musk
SpaceX to become America’s Military data backbone for missiles, drones, and warfighters
The Space Force just handed SpaceX $2.29 billion to build the military’s space internet backbone.
The U.S. Space Force awarded SpaceX a $2.29 billion contract on May 26, 2026 to build the backbone of its Space Data Network, a satellite-based communications system designed to keep American military forces connected anywhere on Earth in real time. The contract is firm-fixed-price and requires SpaceX to deliver a fully operational prototype by the end of 2027.
In plain terms, the SDN Backbone is the plumbing behind the military’s space-based internet. It functions as a low Earth orbit satellite constellation providing robust, high-capacity, and low-latency data transport for the Joint Force, connecting sensors and weapons systems continuously, globally, and securely. Think of it as a private, hardened version of Starlink built specifically for battlefield communications, one that soldiers, ships, and aircraft can rely on even in contested environments where ground-based networks have been disrupted.
SpaceX is quietly becoming the U.S. Military’s only reliable rocket
The Space Force was direct about why SpaceX was selected. “The SDN Backbone leverages the best of commercial innovation and delivers a strong foundation for the SDN mission set — a huge benefit and enabler for our warfighters,” said USSF Col. Ryan Frazier.
“We aren’t trading speed for scale; we are demanding both. By using rapid prototyping and Other Transaction Authorities, we are ensuring our advanced solutions are integrated and delivered to the warfighter as fast as possible,” added USSF Lt. Col. Fry, SDN Backbone system program manager.
The SDN Backbone will work alongside the Space Development Agency’s Transport Layer, with the two systems forming a unified open architecture to provide critical data transport for current and future Department of War missions.
As Teslarati has reported, this is not SpaceX’s first Space Force contract of 2026. In April, the Space Force awarded SpaceX $178.5 million to launch missile tracking satellites, and SpaceX is already embedded in the Golden Dome missile defense software group. The $2.29 billion SDN Backbone award puts SpaceX at the center of how the American military communicates in space, a position with direct implications for its reported $1.75 trillion IPO valuation as the company heads toward a public offering as early as June 2026.





