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SpaceX CEO Elon Musk explains why Falcon Heavy’s center core missed the drone ship

Falcon Heavy lifts off from Pad 39A on its third launch ever. Sadly, center core B1057 was unable to stick its drone ship landing. (Tom Cross)

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Some 12 hours after Falcon Heavy successfully completed what Elon Musk described as the SpaceX’s “most difficult launch ever”, the CEO took to Twitter to offer some insight into the mission’s only sad note – an unsuccessful center core recovery attempt.

The second Falcon Heavy Block 5 center core built by SpaceX, B1057 suffered an untimely demise shortly after its first (and last) launch, failing to successfully land aboard drone ship Of Course I Still Love You (OCISLY). Although an undeniable disappointment, the overall STP-2 mission was a spectacular success and will without a doubt serve SpaceX well as the company eyes its first certified Falcon Heavy launches for the US military. New center cores can and will be produced and there should be no doubt that SpaceX will eventually perfect center core recovery (or transcend the need entirely with Starship).

As noted by both CEO Elon Musk and several SpaceX engineers-turned-webcast-hosts, aside from the fact that the overall mission was by far the company’s most challenging yet, center core B1057’s recovery was also expected to be the most challenging booster landing ever. The booster’s landing target was drone ship OCISLY, stationed a record-smashing 1240 km (770 mi) off the coast of Florida – almost 30% further than any previous recovery attempt.

Sadly, SpaceX either chose not to broadcast the center core’s onboard camera during reentry or the booster could not maintain a downlink connection during the ordeal. However, based on basic info that was included in the webcast, B1057 completed its boost burn and separated from the upper stage and Space Test Program-2 (STP-2) payload some 3 minutes and 40 seconds after lifting off from Pad 39A. At MECO (main-engine cutoff), the building-sized booster was traveling a blistering 3.1 km/s (Mach 9) at an altitude of more than 120 km (75 mi).

Center core B1057 missed drone ship OCISLY after SpaceX’s hardest reentry yet, causing an explosion/fire that was visible on the webcast. (SpaceX)

Running on slim propellant margins, the booster coasted through vacuum almost the entire way to drone ship OCISLY. Around 9 minutes after launch, B1057 began its entry burn, likely igniting three Merlin 1D engines to effectively cushion it against the worst of atmospheric reentry heating. Unintuitively, much of the actual benefit of that burn derives from that cushioning effect, while the burn only slows the booster down by a few hundred meters per second (mph).

Effectively falling in near-vacuum conditions, pulled by gravity, B1057 could easily have been traveling 3.5-4 km/s (Mach 10-12) by the time Earth’s atmosphere began to slow it down. Described by Musk himself, back-of-the-envelope analysis of available telemetry apparently indicated that that spectacularly fast and hot reentry either burned through B1057’s heavy titanium heat shield or broke through the smaller heat shield surrounding its M1D engine bells.

In short, the brutal heating and buffeting of hypersonic atmospheric reentry damaged the rocket’s central M1D engine, necessary for an accurately controlled drone ship landing. Incredibly, B1057 actually appeared to make it almost all the way to a successful recovery, veering off course just a few hundred meters above OCISLY. Musk also noted that this may have actually been an instance of the rocket’s autonomous guidance computer intentionally abort a landing attempt to protect the drone ship. It’s possible that the reentry didn’t fully destroy components, but rather damaged them to the point that they failed only after a sustained landing burn.

Falcon Heavy Flight 3’s three Block 5 boosters bare their 27 Merlin 1D engines and octaweb heat shields. RIP B1057. (SpaceX)

Regardless, the end result is unambiguous. Falcon Heavy center core B1057 did its job perfectly, supporting the STP-2 launch, boosting the upper stage and payload almost half the way to orbit, and eventually sacrificing itself to avoid potentially damaging OCISLY. SpaceX’s next Falcon Heavy launch is currently scheduled to launch the very large AFSPC-52 military satellite no earlier than September 2020, a full 15 months away. The company should have no trouble manufacturing multiple new center cores between now and then.

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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 patent reveals strategy for solving major Full Self-Driving, Optimus issue

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Credit: Tesla

A new Tesla patent that has been granted to the company this week has revealed a potential strategy for solving a major issue that could impact both the Full Self-Driving suite and Optimus.

The patent, which is No. 12,636,684, describes a “Lens Cleaning System,” and was submitted by Tesla in May 2025.

The language in the patent details a lens cleaning system that can dispense fluid and wipe it away with a wiper assembly.

This would effectively clean any debris that would potentially impact the visibility of the cameras on Tesla automobiles or Optimus’s camera eyes. Perhaps the most pertinent example is through the Full Self-Driving suite, as debris that can accumulate on the vehicle’s exterior cameras can impact the suite’s ability to operate effectively.

This requires a remedy through manual cleaning, but this patent hints that Tesla could be planning to implement this new technology on its upcoming vehicles.

Interestingly, we have started to see it on some Robotaxi vehicles, and it will likely be included in the Cybercab, especially as that vehicle will enable full autonomy.

Back in January, the first Model Y Robotaxi units were spotted with camera washers on the side repeaters, as the video below shows fluid squirting and rinsing off any debris that is limiting visibility.

This hardware patent does bring up an interesting question for those of us who own Teslas with AI4 and have been told that our cars will one day be capable of full autonomy: Will this washer be available as a retrofit on already-built cars?

Perhaps the “Lens Cleaning System” patent is a good look at one way Tesla plans to combat one of the most obvious issues of autonomy that utilizes a camera-based system. For Optimus, it could be less needed as it could be manually cleaned by owners. For cars, it seems like a bigger necessity, especially as autonomy nears and Tesla gets close to launching a feature-complete FSD suite.

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SpaceX Starlink gets its latest airline adoptee, grabbing three of the ‘Big Four’

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Credit: American Airlines

SpaceX’s Starlink product has just gotten its latest airline adoptee, and the move marks the successful partnership of three of the “Big Four” U.S. airlines.

American Airlines announced on Tuesday that it would utilize Starlink in more than 500 narrowbody aircraft beginning in the first quarter of 2027. These include the Airbus aircraft in its fleet, including the new A321XLR and A321neo.

With the new partnership with American Airlines, Starlink is now present on three of the largest airlines in the country: American, United, and Southwest.

Starlink gets its latest airline adoptee for stable and reliable internet access

Starlink’s VP of Enterprise Sales, Jason Fritch, said:

“We are proud to bring Starlink on board American Airlines, delivering fast and reliable internet to passengers and crew. Whether traveling for leisure or business, Starlink enables a fully connected experience gate to gate, making every flight smoother and more enjoyable.”

Additionally, American Airlines Chief Customer Officer, Heather Garboden, said:

“As a premium global airline, we are continuously seeking out world-class partners like Starlink to deliver what our customers need and want. The addition of Starlink solidifies American as a leading airline in keeping passengers connected in flight.”

Starlink has been on a tear over the past year, as it has continued to be adopted by a wide variety of airlines as a more consistent and reliable way to provide WiFi to its passengers. It has already gained a great reputation among residential users, but its biggest commercial application appears to be how it is being used in the air.

The only airline of the Big Four not to adopt Starlink thus far is Delta, which chose to opt for the alternative, which is Amazon Leo. CEO Ed Bastian said to Bloomberg that Delta chose Amazon’s product over Starlink’s because “the opportunities, in terms of the improved bandwidth with a much lower price point than what we’ve ever seen from Starlink, will make a big difference.”

Delta will not start installing Amazon Leo until 2028.

“Of course, we expect Starlink will be warning people that we’re going to go with an inferior product,” Bastian said. “But I’m not too worried about partnering with Amazon.”

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Tesla Cybertruck’s newest trim is nearing its first deliveries

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Credit: Joe Tegtmeyer | X

Tesla Cybertruck’s newest trim level is nearing its first deliveries just a few months after being offered for an incredible deal.

Back in February, Tesla officially launched a new trim of the Cybertruck, the All-Wheel-Drive, starting at just $59,990. It was a lot of truck for the money, especially considering what it offered the Rear-Wheel-Drive variant for last year, which was a total flop.

The $59,990 price that was offered initially was a deal due to its 325-mile range rating, powered tonneau, three bed outlets, Powershare capability, coil springs with adaptive damping for a refined suspension feel, Steer-by-Wire and four-wheel steering, a 6′ x 4′ composite bed, towing capacity of 7,500 pounds, and a powered frunk.

Tesla is now nearing deliveries of this trim, according to watcher Sawyer Merritt, as Tesla has officially started assigning VINs to people who ordered the vehicle initially:

Earlier this month, we reported on units of the trim being spotted outside Gigafactory Texas by Joe Tegtmeyer.

Tesla Giga Texas buzzing as new Cybertruck appears to enter production

This Cybertruck trim was interesting because it was released basically out of nowhere, priced incredibly well, and gathered many orders in a small amount of time. However, CEO Elon Musk noted just days afterward that the vehicle would only be priced at this bargain level for ten days.

Tesla fans were not happy.

However, the issues with the pricing strategy have blown over since the February unveiling event, and now that deliveries are near, Tesla fans are anticipating the truck making its way to their driveways soon.

The truck is currently priced at $69,990, and deliveries for new orders are slated for between August and September 2026.

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