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SpaceX fan spots sooty Falcon 9 Block 5 booster at Kennedy Space Center
On July 2nd, Twitter user Sideralmente (@astroperinaldo) spotted a sooty Falcon 9 Block 5 booster arriving at SpaceX’s Pad 39A hangar facilities, currently operating as a sort of defacto refurbishment hub.
Likely a prelude to a near-term launch, SpaceX has several missions scheduled over the next few months. More likely than not, all of them will fly on flight-proven Falcon 9 boosters, now so common that launching new boosters has started to feel exceedingly rare and unusual. July 2nd’s booster spotting is also a rare (albeit slightly less rare) treat, given the general lack of access (aside from a bus tour) members of the public have to Kennedy Space Center’s operational facilities and the total lack of access they have to Cape Canaveral Air Force Station, home of SpaceX’s most active launch pad (LC-40).
CRS-18
Up next for SpaceX is Cargo Dragon CRS-18, the spacecraft’s second International Space Station (ISS) resupply mission this year. At least over the last 2-3 years, SpaceX and NASA have been fairly consistent with Cargo Dragon launches in the winter, late-spring/early-summer, and late-fall (Q1, Q2/Q3, Q4) for an average of three launches annually. 2018/2019 is no different: CRS-16 launched in early-December 2018 and CRS-17 in early-May 2019, while CRS-18 is scheduled to launch NET 7:35 pm ET, July 21st and CRS-19 is targeted for early-December 2019.

Meanwhile, CRS-18 is also expected to be the first time a NASA mission launches on a flight-proven Falcon 9 Block 5 booster, potentially paving the way for NASA’s first launch on a twice-flown Block 5 booster with CRS-19 – hopefully later this year. Of course, that subsequent milestone will depend on a successful launch and landing during CRS-18. Falcon 9 booster B1056 – previously tasked with launching CRS-17 on May 4th, 2019 – is assigned to the mission and has been speedily refurbished for its next mission. Assuming the static fire goes well and there are no anomalies over the next 11 days, B1056 will launch twice in 78 days, a close second to B1048, B1052, and B1053 – all tied for first place at 74 days.

AMOS-17
Following CRS-18, SpaceX’s next launch is expected to occur soon after, launching Spacecom’s AMOS-17 communications satellite on a Falcon 9 (likely flight-proven) no earlier than early-August, although the tail-end of July is also a possibility. This mission will be extremely symbolic, owing to the fact that AMOS-17 is effectively an insurance-funded replacement for AMOS-6, destroyed on September 1st, 2016 when Falcon 9 suffered a catastrophic failure.
Thankfully, since that failure nearly three years ago, Falcon 9 has performed admirably, suffering no publicly-known failures or partial failures during its primary mission, although SpaceX has suffered two failed booster landing attempts over the same period.

It’s possible that the mystery booster spotted above is meant for AMOS-17, although that’s far from certain. Based on an image showing the core number, it is almost certainly B104X, while the second digit could easily be a 7 or a 9. If the booster in question is B1047, the odds are much better that it’s wrapping up refurbishment and waiting at 39A for CRS-18 to launch before heading to LC-40.
Starlink?
On the other hand, if the booster in question is B1049, it can be all but guaranteed that AMOS-17 will not launch on it, the reason being that – quite literally burned by its last experience with Falcon 9 – Spacecom probably doesn’t want to be the first SpaceX customer to launch on a thrice-flown booster. At the same time, SpaceX is probably exceptionally conscious of the need to ensure mission success and has no interest in adding risk to the AMOS-17 mission profile, no matter how minor.

B1049 launched for the third time in support of SpaceX’s first dedicated Starlink launch on May 23rd, known internally as Starlink v0.9. At this point in time, B1046.3 is believed to be assigned to Crew Dragon’s in-flight abort (IFA) test, expected no earlier than Q4 2019. B1048.3’s status is unknown since the rocket successfully completed its third launch in February 2019. With B1049’s newfound history as the first SpaceX booster to launch on a completely internal mission, it would make a lot of sense for SpaceX to reuse B1049 for the next Starlink mission.
Simultaneously, SpaceX could demonstrate the first launch of a thrice-flown Falcon 9 booster without pushing that risk onto customers, opening up B1048 and future thrice-flown boosters for near-term commercial missions. A step further, this would set SpaceX up perfectly to use internal Starlink missions as full-fidelity demonstrations of booster reuse milestones, going from the four launches to five, six, seven, and beyond.

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Elon Musk
Tesla shows what Roadster drivers will see on screen before thruster activation
Tesla’s Roadster video reveals a fighter jet inspired cockpit with a 5,500 PSI thruster gauge.
Tesla has given future owners their clearest look yet at the cockpit of its next generation Roadster. In a 34 second video posted to X on Friday afternoon, the company walked through the car’s touchscreen with a caption: “Inspired by fighter jet cockpits, Roadster’s interface was designed around the pilot.”
The clip opens on a black screen with red graphics and a 3D wireframe of the car, which sits beside the Roadster’s squared off yoke. Tapping parts of the model brings up controls for the rear wing, including low drag and high downforce positions, along with a charging page with a charge limit bar and a small music player. A row of tabs along the bottom reads Home, Vehicle, Listen, Climate and Navigate.
Most of the video is spent in Track Mode. The dashboard shows a live circuit map, a list of session lap times, brake and motor temperatures, and pressure and temperature readouts for each tire. A setup page lets the driver pick Auto, Low Drag, High Downforce or Custom aero modes, adjust aero balance and brake balance, and switch stability and traction control off. Along the bottom, a status bar reads “Thruster · 5,500 PSI” next to a “Boost Ready” indicator.
That gauge ties the software to the hardware Tesla showed off near Waco, Texas on October 15. The Thrust and Rocket versions use cold gas thrusters fed by carbon overwrapped pressure vessels, and Tesla lists 0 to 60 mph times of under 0.9 seconds and under 0.59 seconds for them, as Teslarati detailed in its breakdown of the three Roadster configurations. The base Performance car relies on a fan and ground sealing system for grip, and the aero settings on screen match the active wings and suction setup covered in our look at how the Roadster generates downforce.
The Roadster layout is a departure from the rest of Tesla’s lineup. Instead of a map centered screen, the Roadster puts the car itself at the center of the home page, and Tesla’s Roadster page lists two smaller forward displays alongside the main touchscreen. Tesla has not said whether any of the Track Mode telemetry will make its way to the Model 3 Performance or other vehicles.
The interface could still change before deliveries. Elon Musk said at the event that Roadster production will begin in 2028, and Tesla says the flagship Rocket version is not approved for public road use. Reservations are open with a $50,000 payment, while Thrust is listed as a limited release and Rocket is invite only.
Those who want to see the car in person will get their first chance this weekend. The Roadster goes on display in the lobby of the Petersen Automotive Museum in Los Angeles from October 24 to 27, according to Sawyer Merritt, the first time the public will be able to view it up close.
Elon Musk
Tesla reveals Optimus Academy, where robots teach themselves
Tesla has begun building production quality Optimus robots in Fremont and revealed its training plan.
Tesla has started building Optimus on the high volume line it set up inside its Fremont factory, and the company says the robots coming off it are the first that meet the bar for a real product. “The bots coming off this line are the first production-quality bots that we have manufactured,” Tesla wrote in its third quarter shareholder letter, adding that it has “proven that the current manufacturing process for Optimus is suitable for a commercial product.”
The line sits in space that built the Model S and Model X until this spring. Tesla cleared the old vehicle line in 46 days, as Teslarati reported in July, to make room for robot production sized for one million units a year. On Wednesday’s earnings call, Elon Musk said most of the equipment for that capacity is already in Fremont, with output set to climb toward roughly 20,000 robots a week as the line ramps.
Musk described the ramp as a classic S curve. “The growth of Optimus is an S curve, but the initial curve is a shallow slope,” he said. The team is now refining the robot’s AI, electromechanical design, reliability and service life, and Musk expects that work to be finished by the end of next year, when Tesla plans to start delivering Optimus to outside companies for dangerous, repetitive and around the clock jobs.
The most interesting part of the call was how Tesla plans to teach the robots. Its cars send real driving data back to the AI team from millions of vehicles, but Optimus has no fleet like that yet. “A big difference with Optimus versus the cars is we don’t have this vast fleet of cars from which we can gather training data,” Musk said. Tesla’s answer is an Optimus Academy, where 10,000 to 20,000 robots will practice a wide range of tasks and feed what they learn into the next version of the model. Every unit off the Fremont line becomes a source of that training data.
Smarter hardware is on the way too. Tesla plans to put its AI5 chip into Optimus next year, and Musk said a new Optimus video should arrive within one or two months showing the robot completing tasks driven by AI rather than preprogrammed motions. He took aim at rival humanoid demos that only run scripted routines, saying those would not hold up in the real world.
The supply chain is lining up behind the program. In September, Tesla certified Tuopu, Joyson and Sanhua as mass production partners for Optimus components. A far larger Optimus factory is also rising at Giga Texas, where drone footage from Joe Tegtmeyer showed the steel frame nearing completion, and Musk has pegged that plant’s long term target at 10 million robots a year.
Tesla executives also said Optimus production costs are trending toward the expected manufacturing cost of Cybercab, a sign the robot is being engineered for volume from the start. The hands remain the toughest piece of the design, a point Musk also made at the X Takeover event earlier this month, as Teslarati covered at the time, and that is where much of the current engineering effort is focused.
Elon Musk
The Starship moon landing number NASA and Elon Musk can’t agree on
Musk disputes NASA estimate of 22 Starship launches for Moon landing, predicting 6 to 8.
Elon Musk is disputing a new NASA safety panel estimate of how many Starship launches it will take to put astronauts on the Moon, saying the real number will be less than half the panel’s figure.
On Thursday, NASA’s Aerospace Safety Advisory Panel held its quarterly public meeting. Panel member Charlie Precourt, a former NASA astronaut, flagged the fueling process for SpaceX’s lunar lander as a major risk for Artemis IV, the mission planned to land a crew on the Moon in 2028. “We need to keep our eyes on numerous required fuelings for the lander,” Precourt said, according to Ars Technica. “I think the last estimate is around 22 flights.”
Ars Technica’s Eric Berger posted the comment on X, and Musk replied. “That’s way too high,” Musk wrote. “Actual number will be more like 6 to 8.”
The disagreement comes down to a basic problem with sending a ship as large as Starship to the Moon. Starship burns nearly all of its propellant just reaching Earth orbit, so it cannot continue on to the Moon without stopping for a refill. SpaceX’s answer is a gas station in space. First, a Starship that works as a storage tank, called a depot, is launched into orbit. Then a series of tanker Starships launch one at a time, dock with the depot and pump their leftover propellant into it. Once the depot is full, the lunar lander version of Starship launches, docks, fills up and heads for the Moon.
Every tanker trip is its own full rocket launch, which is why the count matters. More launches mean more time, more cost and more chances for something to go wrong before astronauts ever leave Earth. Berger estimated that even if SpaceX reaches twice weekly Starship launches by the end of 2027, filling a depot at the panel’s number would still take roughly three months.
How many tankers are needed depends mostly on how much propellant each one can carry to orbit and how much is lost along the way. Starship’s fuel and oxygen are stored at extremely cold temperatures, and some of it slowly boils off while waiting in orbit. More is lost in each transfer. NASA appears to be working from what Starship can lift today, while Musk’s range assumes a more capable rocket.
Musk has pushed back on higher counts before. In 2021, after a government document suggested 16 launches, he called that “extremely unlikely” and said eight tankers would be the most required.
Much of the answer depends on hardware SpaceX has not finished flying. As Teslarati noted earlier this year, the company plans to carry out the refueling process with its upgraded V3 Starship, and Precourt described Artemis IV as carrying “a large number of firsts.” He also praised NASA Administrator Jared Isaacman’s team for working to clear obstacles for both SpaceX and Blue Origin, whose Blue Moon lander does not rely on orbital refueling for its first mission.