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SpaceX Falcon 9 rocket sets reusability record, launches heaviest payload yet

Falcon 9 B1051 is ready to set a new reusability record. (Richard Angle)

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SpaceX Falcon 9 booster B1051 has become the company’s ‘fleet leader’ after acing its 12th orbital-class launch and landing – a new record for the rocket family.

After a roughly 90-minute weather delay, Falcon 9 lifted off without issue around 12:48 am EST on March 19th. Booster B1051 touched down on drone ship Just Read The Instructions (JRTI) about nine minutes later, followed by the successful deployment of 53 Starlink V1.5 satellites just over an hour after launch. Starlink 4-12 was SpaceX’s 11th successful launch in the first 11 weeks of 2022. SpaceX CEO Elon Musk says that Starlink 4-12 was also the heaviest payload ever launched by Falcon 9, weighing in at 16.25 metric tons or ~35,800 pounds.

A thunderstorm bares its teeth in the distance shortly before liftoff. (Richard Angle)

It’s not entirely clear how SpaceX was able to expand Falcon 9’s performance envelope or how far the envelope was pushed. In May 2019, Musk actually claimed that the Starlink V0.9 payload would weigh “18.5 tons” and be SpaceX’s heaviest payload ever, whereas three years later he says Starlink 4-12 set a new record of 16.25 metric tons. Assuming Musk was referring to short tons in 2019 and that SpaceX’s Starlink payload adapter and the tensioning rods that hold the stack together are roughly the same weight (~3 mT) three years later, the true total mass of Starlink 4-12’s payload could be as high as 19-19.5 metric tons (~42,000 lb). Its 53 Starlink V1.5 satellites, meanwhile, would weigh about 307 kilograms (~675 lb) each.

In other words, Starlink 4-12’s record-breaking payload could be up to 2.5 metric tons – about 15% – heavier than the Starlink V0.9 payload that set SpaceX’s internal record in 2019.

(Richard Angle)

SpaceX says a Falcon 9 rocket is on track to launch Starlink 4-12 – a new batch of 53 satellites – no earlier than (NET) 11:24 pm EST on Friday, March 18th (03:24 UTC 19 March).

While ‘just’ the latest in an increasingly routine line of Starlink launches, SpaceX has confirmed that the mission will also set a new record for Falcon 9 reusability. Setting minor records is practically just as common for the average SpaceX launch but this particular record is more significant: if all goes according to plan, booster B1051 will become the first Falcon 9 first stage to complete 12 orbital-class launches and landings, pushing the envelope that much further.

The second oldest Falcon 9 booster that’s still operational, B1051 debuted in a significant way on March 2nd, 2019 by supporting Demo-1, Crew Dragon’s first uncrewed test flight. The launch was a perfect success and simultaneously kicked off the prolific careers of Crew Dragon and Falcon 9 B1051, both of which continue to have an excellent track record. Since Demo-1, B1051 has also supported the launches of Canada’s RADARSAT constellation, SiriusXM’s SXM-7 radio satellite, and 469 Starlink spacecraft spread over eight separate missions.

Starlink 4-12 will be its 12th launch and is set to occur just over two weeks after the third anniversary of its launch debut, translating to an average of one launch every three months or ~93 days. As an older booster and a fleet leader for several reusability milestones, B1051’s average turnaround time between launches – ~100 days – isn’t exceptionally impressive, though the booster has still accomplished a great deal.

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Falcon 9 B1051 rolls out for its first launch – February 2019. (NASA)
B1051’s eleventh launch – December 2021. (SpaceX)

However, newer boosters like B1058 and B1060 – both of which have much faster average turnaround times – are tied with B1051 at eleven flights each. One of the two is almost guaranteed to supersede B1051 in the very near future and become SpaceX’s new fleet leader, meaning that either B1058 or B1060 is likely to be the first to set new reusability records after B1051’s 12th flight.

Falcon 9 B1060, for example, has flown 11 times in 611 days, averaging one launch every 55 days and 61 days per reuse. B1060’s last two turnarounds have been under 50 days. B1058 is very similar. In other words, both B1058 and B1060 could feasibly overtake B1051 as early as May or June 2022 and could both potentially complete their 15th, 16th, or even 17th launches before the end of the year.

As such, this could be Falcon 9 B1051’s last opportunity to lead SpaceX’s fleet of Falcon boosters. Tune into SpaceX’s official webcast to watch Starlink 4-11 live around 11:10 pm EST (03:10 UTC).

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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SpaceX completes another secret Pentagon launch, adding to suspected Starshield buildout

SpaceX launched the classified USSF-385 mission from Vandenberg, landing its booster on a tenth flight.

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US Golden Dome space defense system (Concept render by Grok)

SpaceX launched another classified mission for the U.S. Space Force from California early Saturday morning, and the Falcon 9 booster that carried it landed on a drone ship in the Pacific for the tenth time. The USSF-385 mission lifted off from Space Launch Complex 4E at Vandenberg Space Force Base at 7:00 a.m. PT.

Booster B1100 touched down on Of Course I Still Love You roughly eight and a half minutes after liftoff. It was the booster’s tenth flight and tenth successful landing, following the NROL-95 national security mission and eight Starlink launches. Its previous flight, a Starlink Group 15 mission on August 22, came just 35 days earlier. SpaceX ended its livestream shortly after the landing, which is standard for classified payloads, and neither the company nor the Space Force has said what the rocket carried.

USSF-385 is the fourth Space Force launch from the same Vandenberg pad in roughly six weeks, following USSF-366 on August 15, USSF-153 on September 10, and USSF-259 on September 17. When SpaceX flew USSF-366 in August, independent trackers noted that the rocket’s stage drop zones matched SpaceX’s Starlink Group 15 missions, pointing to Starshield, the government version of the Starlink satellite bus. The Space Force later cataloged 23 satellites after both USSF-366 and USSF-153, while USSF-259 placed 17 satellites into a different orbital plane, per KeepTrack. Launch databases describe USSF-385 the same way, though the payload remains officially unidentified.

Starlink’s Starshield wins contract with US Space Force

The cadence lines up with the contracts, because in July, the Space Force awarded SpaceX $1.6 billion in task orders for 18 Falcon 9 missions from Vandenberg through the end of 2027. SpaceX also holds contracts to build pieces of that same network, which pushed its Pentagon contract total for 2026 past $8 billion.

Saturday’s flight was also the sixth and final Falcon 9 launch from Vandenberg in September, according to Spaceflight Now, while only one Falcon 9 flew from the East Coast this month as SpaceX shifts its Florida infrastructure toward Starship. Launch trackers list it as SpaceX’s 112th mission of 2026 and the 108th Falcon 9 flight of the year, with SLC-4E turned around about six and a half days after its previous launch.

The West Coast pad will not stay quiet for long, considering SpaceX has another Starlink mission scheduled from SLC-4E on September 30. Meanwhile, in Texas, the company is two days away from Starship Flight 14, which is targeting Monday at 7:15 a.m. CT for the vehicle’s first attempt to reach orbit.

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Tesla hints at new Roadster design in surprise clip

Tesla ended its Semi event with a Roadster teaser revealing a new front light bar.

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Tesla Battery Day event (Credit: Ryan McCaffrey/Twitter)

Tesla closed out its Semi event in Nevada on Thursday night with a nod to its own history, dropping a short Roadster teaser that suggests the production car will look noticeably different from the prototype first shown in 2017.

“We can’t have a Semi event without the Roadster,” Tesla engineering executive Lars Moravy told the crowd before the clip played. The line was a deliberate callback. Tesla first revealed the next generation Roadster in November 2017 by driving it out of the back of a Semi trailer at the truck’s original unveiling in Hawthorne, California.

The new video opens on trailer doors swinging apart in the dark. A thin white light bar glows across what appears to be the nose of the car, Tesla and SpaceX logos flash over the frame, and the Roadster name appears before the clip ends on “See you next week.” Tesla posted the nine second clip on X after the livestream wrapped.

The light bar is the most concrete design detail so far. The 2017 prototype used two separate curved headlamp pods, while a connected front light strip would bring the Roadster in line with the Cybertruck, Cybercab, Semi, and refreshed Model Y. Sawyer Merritt was among the first to point out what looked like part of a SpaceX logo in the video, something Tesla has not addressed.

That logo fits the buildup around the optional SpaceX Package, which Elon Musk has long said would use cold gas thrusters to improve acceleration and possibly allow the car to briefly leave the ground. Tesla’s “Go for launch” post on September 12 set the October 1 date, and invitations sent to reservation holders place the event in Waco, Texas, at 8:30 p.m. Eastern. Waco sits roughly 20 minutes from SpaceX’s McGregor rocket test site, where the FAA has put a temporary flight restriction in place from September 18 through October 2, covering a 1.5 nautical mile radius from the surface up to 10,000 feet.

Tesla is also taking money ahead of the reveal. The company reopened Roadster reservations earlier this week with a $5,000 refundable card payment, followed by a $45,000 wire transfer due within 10 days. That puts buyers at $50,000 committed before Tesla has published a price.

The original pitch set a high bar: 0 to 60 mph in 1.9 seconds before any upgrades, 620 miles of range, a top speed above 250 mph, and production in 2020. That timeline has slipped repeatedly, and Tesla has since pointed to production at Gigafactory Texas no earlier than 2027. The company has said next Thursday’s event will include pricing, specifications, and production targets, the three details original reservation holders have been waiting on for nearly nine years.

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Tesla Full Self-Driving release in the EU gets delayed

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Credit: Grok Imagine

Tesla Full Self-Driving’s release in Europe is set to be delayed by at least a few months.

The European Union will not vote on Tesla’s Full Self-Driving (Supervised) on October 6. The draft agenda for the 119th meeting of the Technical Committee on Motor Vehicles lists only a 25-minute “continuation of discussions” on the Netherlands’ Article 39 request, not a decision. The next scheduled TCMV session is in December, which is now the earliest date a bloc-wide vote could occur.

Tesla Europe had pointed to October 6 as a possible EU-wide vote after the Dutch vehicle authority RDW granted the first European type approval on April 10.

That approval, under UN Regulation 171 plus an Article 39 exemption in EU Regulation 2018/858, is the legal file other member states have been recognizing one by one. The same committee has already discussed the request twice without voting.

Elon Musk’s reply to the delay was a single word: “Sigh.”

Seven EU countries have now cleared FSD Supervised on their own roads: the Netherlands, Lithuania, Estonia, Denmark, Belgium, Slovenia, and Czechia. Those seven states represent about 53 million people, or roughly 12 percent of the EU population. An EU-wide authorization still needs a qualified majority: at least 15 of 27 member states representing 65 percent of the bloc’s population, about 292 million people.

Germany, France, Italy, and Spain remain the decisive markets. France has already rejected the current system; several other governments have flagged speed-limit compliance as the main sticking point.

The safety case Tesla is putting in front of those governments is now public. On September 1, Tesla Europe said FSD Supervised was in use by more than 70,000 customers, covering over 1 million kilometers a day, and was 4.1 times less likely to be involved in a crash than manual driving across 100 million kilometers on EU public roads.

An earlier mid-year cut of the same fleet data, covering 65 million kilometers in five approved countries, put the collision advantage at 5.2 times, with zero highway collisions over 41.9 million kilometers. Tesla also reported far fewer automatic emergency braking events, harsh accelerations, and hard swerves than in comparable manual Tesla driving. Those figures are company-reported, not independently audited.

Tesla Full Self-Driving is taking over Europe: fourth country gets FSD approval

The public-health backdrop is harder to dispute. European countries recorded about 19,400 road deaths in 2025, or roughly 53 a day, most of them attributed to human error. FSD Supervised is not unsupervised autonomy; the driver remains legally responsible. But the software is already legal and in daily use across seven member states.

Until TCMV votes, the rest of the EU remains a patchwork: available in Prague and Amsterdam, locked behind review in Paris and Berlin. December is now the next chance to close that gap.

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