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SpaceX's third Block 5 Falcon 9 booster shows off its well-worn octaweb and Merlin engines after a successful launch debut and recovery. (Pauline Acalin) SpaceX's third Block 5 Falcon 9 booster shows off its well-worn octaweb and Merlin engines after a successful launch debut and recovery. (Pauline Acalin)

SpaceX

SpaceX test-fires Falcon 9 Block 5 booster for upgraded rocket’s fifth launch

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After a couple of weeks of mysterious delays, SpaceX is once again back in the saddle for its next orbital mission and has successfully completed Falcon 9’s routine prelaunch wet dress rehearsal and static fire. This rocket will launch Telstar 19V’s (launched in July) sister communications satellite Telstar 18V to a high-energy transfer orbit at 11:28 PM EDT, September 8 (03:28 UTC, September 9).

SpaceX’s static fire testing – conducted once in Texas with just the first stage and once at the launch site with the upper stage attached – is very nearly identical to a real launch, save for the fact that the rocket is not allowed to actually lift off from the pad, and only ignites its main engines for a handful of seconds.

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Falcon 9 B1049 seen mid-static fire on September 5th.

Almost entirely unique to SpaceX in the launch industry, Falcon 9 and Falcon Heavy are perhaps the only operational (orbital-class) rockets in the world to still conduct routine test fires of integrated segments, including both boosters, upper stages, and even Dragon spacecraft thrusters (both Crew and Cargo variants). Other launch providers like ULA, Arianespace, and Roscosmos will typically test engines individually, but that testing is often not even routine – spot checks more than anything systematic.

In fact, SpaceX’s system of hardware testing as extraordinarily extensive. Aside from test firing integrated boosters and upper stages, SpaceX doubles down on that testing both at the launch site and in Texas. Prior to integrated testing, essentially all rocket engines (sea-level Merlin 1Ds, vacuum Merlin 1Ds, SuperDraco thrusters, Draco thrusters, and Falcon’s cold gas maneuvering thrusters) are hot-fire (or cold-fire, in the case of the cold gas thrusters) tested in Texas after completing assembly in Hawthorne.

 

After that, the individual rocket engines and thrusters are shipped back to Hawthorne, integrated into their Dragon, Falcon upper stage, or Falcon booster parent rocket, and then shipped back to Texas once more for integrated test-fires, shipped to their launch site, and test-fired yet again (in the case of Falcon 9 and Heavy, not Dragon). This extraordinarily systematic testing apparatus is without a doubt unique to SpaceX, with the only closest comparison being found in small launch startup Rocket Lab, which is also extensively vertically integrated, including in-house tests of all engines prior to shipment.

Much like modern aircraft (particularly airliners) routinely test all critical systems prior to takeoff, particularly a full-thrust engine check with brakes applied, SpaceX and Rocket Lab are explicitly attempting to replicate in spaceflight the sort of practices that have helped to make air travel perhaps the safest and most reliable method of transportation ever created by humans.

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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!

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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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Elon Musk

California city weighs banning Elon Musk companies like Tesla and SpaceX

A resolution draft titled, “Resolution Ending Engagement With Elon Musk-Controlled Companies and To Encourage CalPERS To Divest Stock In These Companies,” alleges that Musk “has engaged in business practices that are alleged to include violations of labor laws, environmental regulations, workplace safety standards, and regulatory noncompliance.”

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tesla supercharger
Credit: Tesla

A California City Council is planning to weigh whether it would adopt a resolution that would place a ban on its engagement with Elon Musk companies, like Tesla and SpaceX.

The City of Davis, California, will have its City Council weigh a new proposal that would adopt a resolution “to divest from companies owned and/or controlled by Elon Musk.”

This would include a divestment proposal to encourage CalPERS, the California Public Employees Retirement System, to divest from stock in any Musk company.

A resolution draft titled, “Resolution Ending Engagement With Elon Musk-Controlled Companies and To Encourage CalPERS To Divest Stock In These Companies,” alleges that Musk “has engaged in business practices that are alleged to include violations of labor laws, environmental regulations, workplace safety standards, and regulatory noncompliance.”

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It claims that Musk “has used his influence and corporate platforms to promote political ideologies and activities that threaten democratic norms and institutions, including campaign finance activities that raise ethical and legal concerns.”

If adopted, Davis would bar the city from entering into any new contracts or purchasing agreements with any company owned or controlled by Elon Musk. It also says it will not consider utilizing Tesla Robotaxis.

Hotel owner tears down Tesla chargers in frustration over Musk’s politics

A staff report on the proposal claims there is “no immediate budgetary impact.” However, a move like this would only impact its residents, especially with Tesla, as the Supercharger Network is open to all electric vehicle manufacturers. It is also extremely reliable and widespread.

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Regarding the divestment request to CalPERS, it would not be surprising to see the firm make the move. Although it voted against Musk’s compensation package last year, the firm has no issue continuing to make money off of Tesla’s performance on Wall Street.

The decision to avoid Musk companies will be considered this evening at the City Council meeting.

The report comes from Davis Vanguard.

It is no secret that Musk’s political involvement, especially during the most recent Presidential Election, ruffled some feathers. Other cities considered similar options, like the City of Baltimore, which “decided to go in another direction” after awarding Tesla a $5 million contract for a fleet of EVs for city employees.

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Starlink restrictions are hitting Russian battlefield comms: report

The restrictions have reportedly disrupted Moscow’s drone coordination and frontline communications.

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A truckload of Starlink dishes has arrived in Ukraine. (Credit: Mykhailo Fedorov/Twitter)

SpaceX’s decision to disable unauthorized Starlink terminals in Ukraine is now being felt on the battlefield, with Ukrainian commanders reporting that Russian troops have struggled to maintain assault operations without access to the satellite network. 

The restrictions have reportedly disrupted Moscow’s drone coordination and frontline communications.

Lt. Denis Yaroslavsky, who commands a special reconnaissance unit, stated that Russian assault activity noticeably declined for several days after the shutdown. “For three to four days after the shutdown, they really reduced the assault operations,” Yaroslavsky said.

Russian units had allegedly obtained Starlink terminals through black market channels and mounted them on drones and weapons systems, despite service terms prohibiting offensive military use. Once those terminals were blocked, commanders on the Ukrainian side reported improved battlefield ratios, as noted in a New York Post report.

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A Ukrainian unit commander stated that casualty imbalances widened after the cutoff. “On any given day, depending on your scale of analysis, my sector was already achieving 20:1 (casuality rate) before the shutdown, and we are an elite unit. Regular units have no problem going 5:1 or 8:1. With Starlink down, 13:1 (casualty rate) for a regular unit is easy,” the unit commander said.

The restrictions come as Russia faces heavy challenges across multiple fronts. A late January report from the Center for Strategic and International Studies estimated that more than 1.2 million Russian troops have been killed, wounded, or gone missing since February 2022.

The Washington-based Institute for the Study of War also noted that activity from Russia’s Rubikon drone unit declined after Feb. 1, suggesting communications constraints from Starlink’s restrictions may be limiting operations. “I’m sure the Russians have (alternative options), but it takes time to maximize their implementation and this (would take) at least four to six months,” Yaroslavsky noted. 

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Elon Musk

SpaceX and xAI tapped by Pentagon for autonomous drone contest

The six-month competition was launched in January and is said to carry a $100 million award.

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Credit: SpaceX/X

SpaceX and its AI subsidiary xAI are reportedly competing in a new Pentagon prize challenge focused on autonomous drone swarming technology, as per a report from Bloomberg News

The six-month competition was launched in January and is said to carry a $100 million award.

Bloomberg reported that SpaceX and xAI are among a select group invited to participate in the Defense Department’s effort to develop advanced drone swarming capabilities. The goal is reportedly to create systems that can translate voice commands into digital instructions and manage fleets of autonomous drones.

Neither SpaceX, xAI, nor the Pentagon’s Defense Innovation Unit has commented on the report, and Reuters said it could not independently verify the details.

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The development follows SpaceX’s recent acquisition of xAI, which pushed the valuation of the combined companies to an impressive $1.25 trillion. The reported competition comes as SpaceX prepares for a potential initial public offering later this year.

The Pentagon has been moving to speed up drone deployment and expand domestic manufacturing capacity, while also seeking tools to counter unauthorized drone activity around airports and major public events. Large-scale gatherings scheduled this year, including the FIFA World Cup and America250 celebrations, have heightened focus on aerial security.

The reported challenge aligns with broader Defense Department investments in artificial intelligence. Last year, OpenAI, Google, Anthropic, and xAI secured Pentagon contracts worth up to $200 million each to advance AI capabilities across defense applications.

Elon Musk previously joined AI and robotics researchers in signing a 2015 open letter calling for a ban on offensive autonomous weapons. In recent years, however, Musk has spoken on X about the strengths of drone technologies in combat situations.

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