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SpaceX to launch secret “Zuma” payload same day as Tesla Semi event

SpaceX Falcon 9 at Cape Canaveral, FL [Tom Cross/Teslarati]

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SpaceX has completed preparations and is ready to launch the highly secretive “Zuma” satellite(s) at 5pm/8pm PST/EST on Thursday, November 16th, the same day Tesla will be holding its semi-truck unveiling event.

Updated: SpaceX has rescheduled the Zuma mission.

The Zuma launch campaign has been veiled in an extraordinary level of secrecy for SpaceX and the US launch industry in general, and this has piqued the interest of many.

In the last decade or two, the United States military apparatus has launched many dozens of satellites, and secrecy on the order of Zuma is unusual to say the least. Missions for the National Reconnaissance Office (NRO) typically feature some level of media presence and have developed a community of fans in the age of social media, taking advantage of cartoonish mission logos that can often be entertaining, if not vaguely disturbing.

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Some of the more ‘unique’ NROL logos in recent years. (NRO)

However, no federal agency has yet to announce involvement in Zuma. The full extent of public information available can be found in a handful of tweets, with drastically less official info available from a leaky source on Reddit. Thus far, Northrop Grumman is known to have at least procured Zuma’s launch from SpaceX, and the same statement indirectly suggested that Zuma was in fact a government-related mission. NRO is the obvious option, with the Air Force or another branch of the US military or intelligence apparatus also a distinct possibility. It is entirely possible that the nature and parent of the mission will remain secret for the indefinite future, even after its launch.

Nevertheless, a handful of details allow us to speculate in greater detail. In May 2017, SpaceX launched NROL-76, a Department of Defense satellite that was intriguingly observed to have made very close passes to the International Space Station, far too close to have been a coincidence. Based on Notices to Airmen (NOTAMs) filed with the FAA and discussed earlier this week, it appears Zuma may be placed in an orbit very similar to that of NROL-76, suggesting that Zuma could be an iteration on NROL-76’s supposed orbit-to-orbit data gathering capabilities. This time, however, agency involvement has been completely shadowed. A blank fairing, sans any NROL-reminiscent logo, will be the tell-tale sign come tomorrow, when Teslarati’s launch photographer Tom Cross arrives at Kennedy Space Center for camera setup.

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Meanwhile, as has become shockingly routine, SpaceX’s Falcon 9 first stage, core 1043, will conduct a Return to Launch Site (RTLS), landing at LZ-1 just a few miles from its launch pad. Like NROL-76, we can expect live coverage of the second stage and payload to end immediately after stage separation; bittersweet but esoteric fans, but likely to result in a unique focus on the stage returning to Earth.

On the horizon

Possibly more exciting than the launch itself, Zuma is expected to be the last launch from SpaceX’s Kennedy Space Center LC-39A facilities until Falcon Heavy, currently aiming for an inaugural flight around December 29th. After a solid year of repairs and refurbishment, SpaceX’s LC-40 launch pad is anticipating a return to flight operations with the CRS-13 Cargo Dragon mission on December 4th. Located within the Cape Canaveral Air Force Station just a few miles south of LC-39A, LC-40 suffered widespread damage after a Falcon 9 catastrophically failed while preparing for a static fire test on the pad.

Despite the tragic loss of vehicle and the Amos-6 payload, SpaceX has maintained a strong relationship with the owner, Spacecom, and was recently chosen for both a contractual reflight in 2019 and an additional launch in 2020.

SpaceX has also made great strides since returning to flight after Amos-6 in January 2017, and has enjoyed a truly groundbreaking year of incredible progress towards the goal of rapid reusability. Quite fittingly, LC-40 is expected to return to action while hosting yet another commercial reuse of a Falcon 9 first stage, this time with the hugely significant approval of NASA. The space agency has yet to make this decision resoundingly public, but respected industry insider NASASpaceflight.com has stated that it is all but in stone at this point in time. In a sense, the disaster that severely damaged LC-40 acted as a since-heeded wake-up call for SpaceX, and the venerable pad will rise from those ashes into a new era of reusable rocketry, led wholeheartedly by SpaceX.

Be sure to follow our Instagram stories and see live action directly from the launch site at the Kennedy Space Center!

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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 Semi catches fire in California: what we know

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Credit: KTVU

A Tesla Semi caught fire in Hayward, California, which caused both directions of traffic to shut down for hours before being completely reopened early on Wednesday, the California Highway Patrol said.

The fire occurred just after 5:30 local time in Hayward on Tuesday, as the Semi caught fire in the southbound lanes of I-880 before CHP officials made the decision to shut down both lanes of traffic due to potential risks from hazardous chemical smoke.

There were no injuries reported.

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The cause of the fire is currently unknown, as neither Tesla nor the CHP have not determined a cause.

However, some images taken before the Semi was completely destroyed by the fire seem to indicate this might have been an older unit, as it appears to be one of the designs that Tesla shipped as part of its pilot program, before revising it and starting mass production just a month ago.

At the time of publication, CHP had not returned our request for a comment for additional details, including the Semi involved and any potential collaboration on an investigation between the CHP and Tesla. We will update this story when we hear back from them.

The southbound lanes were reopened at 3:30 a.m. on Wednesday, with the northbound lanes opening last night a few hours after the fire began. The CHP did state that the lithium batteries were “incredibly difficult to extinguish,” according to NBC Bay Area.

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The truck’s driver said that the Semi caught fire, but he did not have an explanation.

An estimated 5,000 to 7,000 semi-truck and large commercial vehicle fires occur on U.S. roadways every year.

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Tesla’s ‘Emergency Drive Away’ function gets its first use in the real world

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Credit: Tesla

Tesla’s launch of the “Emergency Drive Away” function a few months back offered owners a safe option to evacuate an area if they were in reasonable danger. The function finally got its first use in the real world, but it appears it was by mistake.

A video shared by u/Joshalander in the r/TeslaLounge subreddit recorded the instance from his vehicle and said the incident took place in Austin this past weekend during the city’s F1 Race.

“Was charging around 6 AM this past Sunday in Austin before heading to the F1 race and heard a pop. Looked over and saw the new emergency drive-away feature in action. Genuinely felt bad for the dude when he got out and realized what happened, since he looked exhausted and only seemed to half-read the prompts.”

Emergency Drive Away unlatches the Supercharger connector from the vehicle, but still causes damage to both the car and the Supercharger. Tesla has said that it will cost up to $25,000 in repairs to have everything fixed back to normal.

Additionally, the company said that if it were not used in an emergency situation, the driver of the vehicle who activated the Emergency Drive Away feature would be responsible for all repair costs.

Tesla constitutes the following situations as reasonable justifications for activating the feature:

  • You face an immediate threat to your life or personal safety.
  • You must leave the area immediately.
  • Exiting the vehicle is unsafe.
  • Unplugging the charge connector would unreasonably delay your departure or expose you to a risk to your personal safety.

After using the feature, Tesla requires the driver to schedule Service so the car can be inspected.

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Tesla’s Cybercab battery design could make robotaxis even cheaper

Tesla built the Cybercab’s battery pack with spare room for a future switch to LFP.

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Tesla built the Cybercab’s battery pack with empty space inside it on purpose, and the reason points to a cheaper robotaxi down the road.

Robert Sumpf, Tesla’s director of mechanical design engineering for battery modules and packs, said the extra room beside and beneath the Cybercab’s modules was left there so the company can move to lithium iron phosphate cells later. “So, we protected this pack to go to an even lower energy dense chemistry as we scale and need to bring LFP into the platform,” Sumpf said in a Cybercab deep dive with Munro Live.

The Cybercab runs on Tesla’s own 4680 cells with a nickel chemistry today. LFP cells store less energy for their size, so a straight swap would cut range. The reserved space lets Tesla add more LFP cells to make up the difference. In return, Tesla would get cells that cost less, run cooler and survive more charge cycles. LFP became the most used EV battery chemistry in the world last year.

Not all of that room was planned for a chemistry change. Lars Moravy, Tesla’s Vice President of Vehicle Engineering, said part of it exists because “we didn’t need as many batteries as we thought we did.” Tesla told Sandy Munro in early 2025 that it was targeting a Cybercab pack under 50 kWh with close to 300 miles of range.

The pack also breaks from the structural design Tesla used in some Model Y and Cybertruck builds. Instead of potting hundreds of cells into one block, the Cybercab uses four separate, individually sealed modules, so a bad module can be replaced without scrapping the whole pack. Sumpf was blunt about the older approach, giving the Model Y structural battery “a grade D” because it was hard to build and nearly impossible to repair. He estimated a fully structural pack gains about 10% more cell volume, but said “the issue is the service cost.”

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That cost matters more for a car that rarely sits parked. Cybercab chief engineer Eric Earley said replacing an entire pack “before half a million miles is a killer on cost,” which is why remanufacturing and serviceability were built into the design from the start.

The same Munro Live tour produced Moravy’s admission that the Cybercab line at Giga Texas is now outpacing Robotaxi deployments, along with a look at the robotaxi’s unorthodox paint process. Tesla is aiming to deliver the first Cybercabs to outside customers by the end of 2026, though Elon Musk has said the vast majority will stay owned by Tesla and run as a transport service.

Sumpf did not give a date for an LFP version, name a cell supplier or say how a chemistry change would affect range. For now, the 4680 cars keep piling up: Texas DMV records from Tuesday list 544 Cybercabs authorized for Tesla’s Robotaxi fleet, more than the 507 Model Ys on the same roster for the first time.

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