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SpaceX hot-fires Crew Dragon’s Falcon 9 as separate rocket spied in Arizona

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A SpaceX Falcon 9 booster has been spotted traveling eastbound through Wilcox, AZ, indicating a shipment from the company’s Hawthorne, CA rocket factory to its McGregor, TX facilities for hot-fire acceptance testing.

Captured by Reddit user codercotton on October 28th, this first stage (S1) is headed to Texas at the same time as SpaceX’s facilities appear to be wrapping up an extended test campaign with the Falcon 9 rocket stages that will launch an uncrewed Crew Dragon on the upgraded spacecraft’s first trip into orbit.

This duo of Falcon 9 appearances highlights an unusual few months of what is often called “core spotting” by close followers of SpaceX. Typically, SpaceX ships and hot-fire tests a Falcon 9 booster every month, give or take roughly two weeks. It’s clear, however, that the imminent start of Crew Dragon launches under NASA’s Commercial Crew Program (CCP) has created some unique requirements with respect to both booster, upper stage, and individual engine testing in Texas.

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For example, Falcon 9 B1051 – a new booster assigned to Crew Dragon’s first uncrewed demonstration launch (DM-1) – appears to have been testing in McGregor for the better part of three months, apparently including multiple hot-fire tests of the rocket. Prior to Commercial Crew, a  nominal round of acceptance testing in McGregor would be expected to last between two and four weeks between arrival and departure. As such, spending three months or more in McGregor is very unusual, particularly for a brand-new booster like B1051.

B1051’s extended period of testing can likely be traced back to two main factors. At a more technical level, B1051 could be the first Falcon 9 Block 5 booster to have SpaceX’s upgraded COPVs (carbon-overwrapped pressure vessels) – bottles designed to hold helium and nitrogen at pressures around 5000 psi (35 MPa) – fully integrated on both the first and second stages. Perhaps not a major technical hurdle for SpaceX, this milestone is undoubtedly one of NASA’s most myopic and obsessive mountains-out-of-molehills in terms of the intense ‘certification’ burdens dumped on SpaceX over the course of CCP. SpaceX has apparently spent at least 1.5 years systematically designing, testing to destruction, and redesigning an in-house COPV, to the extent that CEO Elon Musk described the updated design as “by far the most advanced pressure vessel ever developed by humanity … It’s nuts.”

Juggling Falcon 9 tests

Despite the extreme lengths of testing apparently required for the Falcon 9s that will launch Crew Dragon, it can be concluded with some certainty that SpaceX has still managed to fit in normal tests of a number of non-Crew boosters, upper stages, and Merlins. According to the above SpaceX tweet, B1051 is clearly still in Texas and is unlikely to leave for Florida until November (several days are needed to prepare a booster for transport). However, a different booster was spotted heading from California to Texas just this morning.

Further, Falcon 9 booster B1054 – nearly complete and stationed in front of the only real exit route – was spotted in SpaceX’s Hawthorne factory in mid-September, while an unknown first stage was caught departing the factory for Texas roughly two weeks later. Finally, at the same time as the mystery booster was being trucked to Texas, an even more mysterious Falcon 9 – visibly sooty and thus flight-proven – was spotted inside one of SpaceX Hawthorne’s separate refurbishment hangars, with at least three Merlins removed from its octaweb. Perhaps this is somehow related to the Falcon 9 booster (missing four of nine Merlins) headed East on October 28th.

Finally, according to a member of the /r/SpaceX subreddit, a separate Falcon 9 booster apparently arrived at SpaceX’s Vandenberg, CA launch facilities on October 26th, perhaps Falcon 9 B1046.3 preparing to launch for the third time for Spaceflight’s SSO-A rideshare mission, NET November 19.

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https://twitter.com/_TomCross_/status/1048483536917823488

As with most things SpaceX, definitive answers are exceedingly rare when it comes to day-to-day operations like Falcon 9 transportation and even official confirmation of the particular boosters involved with any given launch. Understandably, these more esoteric details are probably treated as “need-to-know” only, and while I and many others would love to know, we certainly don’t *need* to know.


For prompt updates, on-the-ground perspectives, and unique glimpses of SpaceX’s rocket recovery fleet check out our brand new LaunchPad and LandingZone newsletters!

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 set to launch Axiom’s mission for diabetes research on the ISS

Axiom’s Ax-4 will test CGMs & insulin stability in microgravity—potentially reshaping diabetes care for Earth & future astronauts.

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(Credit: SpaceX)

Axiom Space’s Ax-4 mission is set to launch on a SpaceX Falcon 9 rocket. Ax-4 will advance diabetes research in microgravity, marking a milestone for astronaut health.

Axiom Space’s fourth crewed mission is scheduled to launch with SpaceX on May 29 from NASA’s Kennedy Space Center in Florida. The Ax-4 mission will carry a diverse crew and a record-breaking scientific payload to the International Space Station (ISS).

The Ax-4 crew is led by Axiom’s Peggy Whitson and includes Shubhanshu Shukla from India, Sławosz Uznański from the European Space Agency, and Tibor Kapu from Hungary. The mission represents firsts for India, Hungary, and Poland, with Uznański being Poland’s first astronaut in over 40 years.

Ax-4 will conduct nearly 60 science investigations from 31 countries during its two-week ISS stay. A key focus is the “Suite Ride” initiative, a collaboration with Burjeel Holdings to study diabetes management in microgravity.

“The effort marks a significant milestone in the long-term goal of supporting future astronauts with insulin-dependent diabetes (IDDM), a condition historically deemed disqualifying for spaceflight,” Axiom noted. The mission will test Continuous Glucose Monitors (CGMs) and insulin stability to assess their performance in space.

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Axiom explained that testing the behavior of CGMs and insulin delivery technologies in microgravity and observing circadian rhythm disruption could help diabetes experts understand how CGMs and insulin pens can improve diabetes monitoring and care in remote or underserved areas on Earth. The research could benefit diabetes management in isolated regions like oil rigs or rural areas.

The mission’s findings on insulin exposure and CGM performance could pave the way for astronauts with diabetes to safely participate in spaceflight. As Axiom and SpaceX push boundaries, Ax-4’s diabetes research underscores the potential for space-based innovations to transform healthcare on Earth and beyond.

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EU considers SES to augment Starlink services

The EU considers funding SES to support Starlink. With MEO satellites already serving NATO, SES could be key in Europe’s space autonomy push.

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(Credit: SES)

European satellite company SES is negotiating with the European Union (EU) and other governments to complement SpaceX’s Starlink, as Europe seeks home-grown space-based communication solutions. The talks aim to bolster regional resilience amid growing concerns over reliance on foreign providers.

In March, the European Commission contacted SES and France’s Eutelsat to assess their potential role if American-based Starlink access for Ukraine was disrupted. The European Commission proposed funding EU-based satellite operators to support Kyiv. Ukraine is considering alternatives to Starlink over concerns about Elon Musk’s reliability.

Arthur De Liedekerke of Rasmussen Global warned, “Elon Musk is, in fact, the guardian of Ukraine’s connectivity on the battlefield. And that’s a strategic vulnerability.” However, SpaceX’s Starlink constellation is leagues ahead of any competition in the EU.

“Now the discussions are much more strategic in nature. They’re much more mid-term, long-term. And what we’re seeing is all of the European governments are serious about increasing their defense spending. There are alternatives, not to completely replace Starlink, that’s not possible, but to augment and complement Starlink,” SES CEO Adel Al-Saleh told Reuters.

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SES operates about 70 satellites, including over 20 medium Earth orbit (MEO) units at 8,000 km. The company provides high-speed internet for government, military, and underserved areas. It plans to expand its MEO fleet to 100, enhancing secure communications for NATO and the Pentagon.

“The most significant demand (for us) is European nations investing in space, much more than what they did before,” Al-Saleh said.

Competition from Starlink, Amazon’s Kuiper, and China’s SpaceSail, with their extensive low-Earth orbit constellations, underscores Europe’s push for independence.

“It is not right to say they just want to avoid Starlink or the Chinese. They want to avoid being dependent on one or two providers. They want to have flexibility,” Al-Saleh noted.

SES’s discussions reflect Europe’s strategic shift toward diversified satellite networks, balancing reliance on Starlink with regional capabilities. As governments ramp up defense spending, SES aims to play a pivotal role in complementing global providers, ensuring robust connectivity for military and civilian needs across the continent.

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Amazon launches Kuiper satellites; Can it rival Starlink?

With 27 satellites in orbit, Amazon kicks off its $10B plan to deliver global broadband. Can Bezos’ Kuiper take on Musk’s Starlink?

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(Credit: Amazon)

Amazon’s Project Kuiper launched its first 27 satellites on Monday, marking the start of a $10 billion effort that could compete with SpaceX’s Starlink with a global broadband internet network.

Amazon’s Kuiper satellites launched aboard a United Launch Alliance Atlas V rocket from Cape Canaveral, Florida. Project Kuiper’s recent launch is the initial step toward deploying Amazon’s 3,236 satellites for low-Earth orbit connectivity. Amazon’s satellite launch was initially set for April 9 but was delayed due to bad weather.  

Now that the Kuiper satellites have been launched, Amazon is expected to publicly confirm contact with the satellites from its mission operations center in Redmond, Washington. The company aims to start offering Kuiper services to customers later this year. Project Kuiper was unveiled in 2019 and targets consumers, businesses, and governments who need reliable internet service, similar to Starlink.

Amazon has a deadline from the U.S. Federal Communications Commission to deploy 1,618 satellites by mid-2026. Analysts suggest the company may require an extension to its Kuiper satellite deployment deadline due to the project’s year-long delay from its planned 2024 start.

United Launch Alliance could conduct up to five more Kuiper missions this year, according to ULA CEO Tory Bruno. Amazon noted in a 2020 FCC filing that Kuiper services could begin with 578 satellites, initially covering northern and southern regions.

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Kuiper’s launch pits Amazon against SpaceX’s Starlink and telecom giants like AT&T and T-Mobile, with a focus on underserved rural areas.

“There’s an insatiable demand for the internet,” Amazon Executive Chairman Jeff Bezos told Reuters in January. “There’s room for lots of winners there. I predict Starlink will continue to be successful, and I predict Kuiper will be successful as well.”

Global interest in satellite alternatives is rising. Ukraine is exploring Starlink alternatives with the European Union (EU), driven by concerns over Elon Musk. Germany’s military, Bundeswehr, also plans its own constellation to ensure independent communications. However, like Amazon’s Kuiper Project, EU options lag behind Starlink.

Amazon’s consumer expertise and cloud computing infrastructure give Kuiper a competitive edge despite Starlink’s market lead. As Kuiper ramps up launches, its success could reshape broadband access while challenging SpaceX’s dominance in the satellite internet race.

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