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SpaceX Texas test HQ fires up a dozen Falcon, Starship rocket engines in six hours

On March 19th, SpaceX's McGregor development team fired up at least 11 Falcon engines and 2 Starship engines in a six-hour period. (SpaceX)

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Though it often falls under the radar relative to SpaceX’s high-profile Boca Chica Starship hub, another even more important Texas outpost appears to be busier than ever testing the rocket engines and boosters instrumental to all SpaceX operations.

Famous for occasionally supporting half a dozen or more rocket tests on busy days, SpaceX’s McGregor, Texas facilities showed off exactly that kind of rapid-fire activity on Friday, March 19th, flexing the sheer variety and volume of rocket hardware liable to pass through its gates.

A 2017 overview provides the best recent view behind the scenes of SpaceX’s McGregor, TX rocket development and testing facilities.

Located on the grounds of a former US military explosives factory, SpaceX’s McGregor, Texas rocket development and test facilities have been testing Falcon, Dragon, and Starship parts and supporting each program’s development for a decade and a half. After being fabricated and assembled in Hawthorne, California, virtually every single active propulsive component SpaceX has ever flown has spent some amount of time in McGregor.

For boosters, every cold gas maneuvering thruster is qualified in Texas before being sent back to Hawthorne for final installation. Each stage’s nine Merlin 1D engines are individually tested in McGregor, shipped back to Hawthorne, installed on a booster, shipped back to McGregor, and static fired as an integrated first stage before SpaceX deems a Falcon 9 or Falcon Heavy core ready for flight. The exact same process (separate engines and thruster qualification followed by integrated vehicle testing) is performed with Falcon upper stages and their Merlin Vacuum engines, as well as all Dragon spacecraft and their Draco (and SuperDraco) thrusters. The same is true for the two Raptor engine variants and cold-gas thrusters that power Starship.

On March 19th, nearly all of those different engines and vehicles – and the separate stands used to test each of them – came together for an exceptionally busy day at McGregor. According to local resident Reagan (@bluemoondance74), who lives within earshot of SpaceX’s extraordinarily busy rocket testing HQ, at least five unique tests were performed in just six hours – all but one of which was squeezed into the last ~125 minutes.

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Around 2:40 pm, an unknown test – possibly a Merlin Vacuum (MVac) or Merlin 1D (M1D) engine – kicked off the salvo. Four hours later, SpaceX completed arguably the most significant test of the day, firing up the first Falcon Heavy center core to head to McGregor in almost 24 months. Assuming that static fire was a success, the booster will be inspected, have its tanks cleaned, and be shipped to Florida to complete the first stage of SpaceX’s fourth Falcon Heavy rocket for a launch as early as July.

An hour and a half after the Falcon Heavy center core’s static fire, SpaceX fired up a Raptor engine (either a sea level or vacuum variant), followed by another likely M1D or MVac test just minutes later. Finally, at 8:52 pm, SpaceX ignited a second Raptor engine at an entirely separate vertical test stand (known as the tripod stand) recently modified to support testing Starship engines in a more flight-like configuration. Altogether, assuming no repeated tests, SpaceX effectively tested a booster and 13 (9+4) rocket engines in a little over six hours.

Both Merlin 1D test bays are usually occupied. (SpaceX)
Sans nozzle, a Merlin Vacuum engine is static fired on a stand adjacent to those M1D bays. (SpaceX)
A sea-level Raptor operates at one of McGregor’s two horizontal test bays. (SpaceX)
SpaceX tests Raptor Vacuum prototypes on the same horizontal bays. (SpaceX)
A vertical test stand also helps SpaceX test Raptors in more flight-like conditions.

More likely than not, one or both of those Raptors will soon find themselves on a Starship or Super Heavy prototype in Boca Chica. The M1D and/or MVac engines will assuredly find a place on a future Falcon booster or upper stage. The Falcon Heavy center core (B1065 or B1066) is scheduled to launch as early as July 2021 and will be the first of its kind to fly in an intentionally expendable configuration. Another Falcon Heavy center core – possibly B1067 – will likely also find itself in McGregor within the next few months for the rocket’s fifth launch, scheduled no earlier than (NET) October 2021.

All told, SpaceX’s McGregor rocket testing HQ is about as busy as – if not busier than – it’s ever been as the company works towards an unprecedentedly ambitious 48-launch 2021 manifest, builds and flies at least four Dragon spacecraft, and pursues an even more ambitious effort to begin orbital Starship launches this summer. Quieted away in rural Texas, McGregor may largely go unnoticed but its infrastructure remains as integral as ever for virtually every single SpaceX project – past, present, and future.

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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Elon Musk to attend 2026 World Economic Forum at Davos

The Tesla CEO was confirmed as a last-minute speaker for a session with BlackRock CEO Larry Fink.

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Elon Musk planned to attend the World Economic Forum in Davos for the first time, marking a notable shift after years of public criticism of the annual gathering. The Tesla CEO was confirmed as a last-minute speaker for a session alongside BlackRock CEO Larry Fink, signaling a thaw in Musk’s long-strained relationship with the global economic forum. Musk was confirmed as a late addition to Davos program Organizers of the World Economic Forum confirmed that Elon Musk was added shortly before the event to a Thursday afternoon session in Davos, where he was scheduled to speak with Larry Fink. The appearance marked Musk’s first participation in the forum, which annually draws political leaders, business executives, and global media to Switzerland. Musk’s attendance represented a departure from his past stance toward the event. He had been invited in prior years but declined to attend, including in 2024. His Davos appearance followed remarks from his political ally, Donald Trump, who addressed the forum earlier in the week with a wide-ranging speech. The session also underscored Musk’s expanding role beyond Tesla, reflecting his leadership across multiple ventures, including SpaceX and xAI. A previously strained relationship showed signs of easing Musk had frequently criticized the World Economic Forum in the past, describing it as elitist and questioning its influence. In earlier posts, he characterized the gathering as “boring” and accused it of functioning like an unelected global authority. Those remarks contributed to a long-running distance between Musk and WEF organizers. The forum previously said Musk had not been invited since 2015, though that position shifted as his global influence grew. Organizers indicated last year that Musk was welcome amid heightened interest in his political and business activities, including his involvement in efforts to improve government efficiency during Trump’s administration. Musk later stepped away from that role. Despite the past friction, Musk remained central to several global debates, ranging from SpaceX’s provision of satellite internet services in geopolitically sensitive regions to controversy surrounding content generated by xAI’s Grok chatbot. His decision to attend Davos suggested a pragmatic recalibration, even as his relationship with the forum remained complex.

Elon Musk is poised to attend the 2026 World Economic Forum in Davos. The Tesla CEO was confirmed as a last-minute speaker for a session with BlackRock CEO Larry Fink, signaling a thaw in Musk’s long-strained relationship with the event.

A late addition

Organizers of the World Economic Forum confirmed that Elon Musk was added shortly before the event to a Thursday afternoon session, where he was scheduled to speak with Fink, as noted in a Bloomberg News report. Musk’s upcoming appearance marks Musk’s first participation in the forum, which annually draws political leaders, business executives, and global media to Davos, Switzerland.

Musk’s attendance represents a departure from his past stance toward the event. He had been invited in prior years but declined to attend, including in 2024. His upcoming appearance followed remarks from his political ally, Donald Trump, who addressed the forum earlier in the week with a wide-ranging speech.

A previously strained relationship

Musk had frequently criticized the World Economic Forum in the past, describing it as elitist and questioning its influence. In earlier posts, he characterized the gathering as “boring” and accused it of functioning like an unelected global authority. Those remarks contributed to a long-running distance between Musk and WEF organizers.

The forum previously said Musk had not been invited since 2015, though that position has since shifted. Organizers indicated last year that Musk was welcome amid heightened interest in his political and business activities, including his involvement in the Trump administration’s Department of Government Efficiency (DOGE). Musk later stepped away from that role.

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Despite his friction with the World Economic Forum, Musk has remained central to several global events, from SpaceX’s provision of satellite internet services in geopolitically sensitive regions through Starlink to the growing use of xAI’s Grok in U.S. government applications.

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Tesla states Giga Berlin workforce is stable, rejects media report

As per the electric vehicle maker, production and employment levels at the facility remain stable.

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Credit: Tesla

Tesla Germany has denied recent reports alleging that it has significantly reduced staffing at Gigafactory Berlin. As per the electric vehicle maker, production and employment levels at the facility remain stable.

Tesla denies Giga Berlin job cuts report

On Wednesday, German publication Handelsblatt reported that Tesla’s workforce in Gigafactory Berlin had been reduced by about 1,700 since 2024, a 14% drop. The publication cited internal documents as its source for its report. 

In a statement to Reuters, Tesla Germany stated that there has been no significant reduction in permanent staff at its Gigafactory in Grünheide compared with 2024, and that there are no plans to curb production or cut jobs at the facility. 

“Compared to 2024, there has been no significant reduction in the number of permanent staff. Nor are there any such plans. Compared to 2024, there has been no significant reduction in the number of permanent staff. Nor are there any such plans,” Tesla noted in an emailed statement. 

Tesla Germany also noted that it’s “completely normal” for a facility like Giga Berlin to see fluctuations in its headcount.

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A likely explanation

There might be a pretty good reason why Giga Berlin reduced its headcount in 2024. As highlighted by industry watcher Alex Voigt, in April of that year, Elon Musk reduced Tesla’s global workforce by more than 10% as part of an effort to lower costs and improve productivity. At the time, several notable executives departed the company, and the Supercharger team was culled.

As with Tesla’s other factories worldwide, Giga Berlin adjusted staffing during that period as well. This could suggest that a substantial number of the 1,700 employees reported by Handelsblatt were likely part of the workers who were let go by Elon Musk during Tesla’s last major workforce reduction.

In contrast to claims of contraction, Tesla has repeatedly signaled plans to expand production capacity in Germany. Giga Berlin factory manager André Thierig has stated on several occasions that the site is expected to increase output in 2026, reinforcing the idea that the facility’s long-term trajectory remains growth-oriented.

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Elon Musk gets brash response from Ryanair CEO, who thanks him for booking increase

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ARLINGTON, Va., May 9, 2023 – Boeing [NYSE: BA] and Ryanair announced Europe’s leading low-cost airline has selected the largest 737 MAX model to power its future growth with an order for up to 300 airplanes. The purchase agreement is the biggest in Ryanair’s history and includes a firm order for 150 737-10 jets and options for 150 more. Image credit: Boeing

Elon Musk got a brash response from Ryanair CEO Michael O’Leary, who said in a press conference on Wednesday afternoon that the Tesla frontman’s criticism of the airline not equipping Starlink has increased bookings for the next few months.

The two have had a continuing feud over the past several weeks after Musk criticized the airline for not using Starlink for its flights, which would enable fast, free, and reliable Wi-Fi on its aircraft.

Tesla CEO Elon Musk trolls budget airline after it refuses Starlink on its planes

Musk said earlier this week that he was entertaining the idea of purchasing Ryanair and putting someone named Ryan in charge, which would oust O’Leary from his position.

However, the barbs continued today, as O’Leary held a press conference, aiming to dispel any beliefs about Starlink and its use case for Ryanair flights, which are typically short in length.

O’Leary said in the press conference today:

“The Starlink people believe that 90% of our passengers would happily pay for wifi access. Our experience tells us less than 10% would pay; He (Elon) called me a retar*ed twat. He would have to join the back of a very, very long queue of people that already think I’m a retar*ed twat, including my four teenage children.”

He then went on to say that, due to Musk’s publicity, bookings for Ryanair flights have increased over the past few days, up 2 to 3 percent:

“But we do want to thank him for the wonderful boost in publicity. Our bookings are up 2-3% in the last few days. So thank you to Mr. Musk, but he’s wrong on the fuel drag. Non-European citizens cannot own a majority of European airlines, but if he wants to invest in Ryanair, we think it would be a very good investment.”

O’Leary didn’t end there, as he called Musk’s social media platform X a “cesspit,” and said he has no concern over becoming a member of it. However, Ryanair has been very active on X for several years, gaining notoriety for being comical and lighthearted.

The public spat between the two has definitely benefited Ryanair, and many are calling for it to end, especially those who support Musk, as they see it as a distraction.

Nevertheless, it is likely going to end with no real movement either way, and is more than likely just a bit of hilarity between the two parties that will end in the coming days.

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