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SpaceX’s first Cargo Dragon 2 recovery delayed by Atlantic Ocean weather

SpaceX's upgraded Cargo Dragon is set to depart the ISS for its first reentry and splashdown later this week. (Roscosmos - Sergey Kud-Sverchkov)

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Update: The first undocking, orbital reentry, and splashdown of SpaceX’s upgraded Dragon 2 cargo spacecraft was aborted by NASA ground controllers minutes before the process was scheduled to begin. According to NASA, weather in the preferred recovery zone – off the coast of Daytona Beach, Florida – was to blame.

“As a result of adverse weather conditions at the targeted splashdown zone off the coast of Daytona Beach, Florida, SpaceX has waved off today’s planned departure of an upgraded SpaceX Dragon resupply spacecraft. Teams are currently assessing weather conditions to determine the next opportunity for undocking.”

NASA – January 11th, 2021

SpaceX’s upgraded Cargo Dragon spacecraft is just a day or two away from its first International Space Station (ISS) departure, Earth reentry, and ocean splashdown.

The uncrewed Dragon capsule (known as C208) and its expendable trunk section are currently scheduled to depart from the ISS no earlier than the morning (EST) of January 12th – set to be the first time an uncrewed US cargo spacecraft autonomously undocks from the orbital outpost. Previous US cargo vehicles – including SpaceX’s own Cargo Dragon – have relied on berthing, rendezvousing with the ISS and hovering close by while a giant robotic arm was used to capture and secure each spacecraft.

Cargo Dragon 2 wont be the first outright to do so: the uncrewed European ATV and Russian Progress vehicles both used the Russian Docking System (RDS) to deliver cargo to the ISS over the last two decades. However, Dragon’s CRS-21 departure will be the first time an uncrewed cargo spacecraft completes a full mission with the help of NASA’s new International Docking Adapter (IDA), as well as an IDA’s third round-trip use ever.

As early as Tuesday, January 12th, Cargo Dragon capsule C208 is scheduled to reenter Earth’s atmosphere and splash down in the ocean for the first time. (NASA)

In fact, SpaceX is solely responsible for the four total uses of the Space Station’s twin IDA ports – both fittingly delivered by Cargo Dragons in 2016 and 2019. In March 2019, Crew Dragon – flying without astronauts on its Demo-1 mission – became the first spacecraft ever to autonomously dock with and undock from an IDA port. In May and August 2020, a separate Crew Dragon spacecraft repeated the feat, autonomously docking and undocking with two NASA astronauts onboard.

SpaceX’s Demo-1 Crew Dragon became the first spacecraft to successfully use NASA’s International Docking Adapter in March 2019. (Oleg Kononenko)
Crew Dragon C206 became the second to dock with IDA – and the first with astronauts aboard – around 14 months later. (NASA)
Crew Dragon C207 (right) became the third in November 2020, followed by Cargo Dragon C208 (left) less than a month later. (NASA)

In November 2020, SpaceX launched Crew Dragon on its first operational ferry mission with four astronauts. The spacecraft safely docked to the ISS and is scheduled to remain there until at least March or April 2021. Most recently, SpaceX launched its first Cargo Dragon 2 on December 6th, 2020, and the spacecraft docked without issue a day later. Now scheduled to undock as early as January 12th, a successful departure, reentry, and splashdown will truly mark the start of a new era of autonomous SpaceX spacecraft.

Cargo Dragon 1 spacecraft were manually captured and berthed by ISS astronauts with Canadarm2. (NASA)

Unlike the largely manual berthing method used by Japanese HTV, Orbital ATK Cygnus, and SpaceX Cargo Dragon spacecraft, SpaceX’s Crew Dragon and Cargo Dragon 2 vehicles took advantage of IDA’s mechanical differences to heavily automate the cargo and crew delivery process. Using LiDAR, cameras, complex software, SpaceX’s new Dragons effectively dock themselves, ultimately requiring less training and work for the station astronauts that would otherwise need to manually support berthing operations.

Used to support refrigerated or otherwise power-intensive cargo, Cargo Dragon 2 features twice as many “powered lockers” as its predecessor and is scheduled to return an impressive ~2360 kg (5200 lb) of cargo – including dozens of science experiments – to Earth. More than a decade after Dragon became the first private spacecraft to successfully reenter Earth’s atmosphere, Cargo Dragon is still the only spacecraft in the world capable of delivering substantial cargo from Earth to orbit and from orbit to Earth.

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An artist’s rendering of a Crew Dragon capsule reentering Earth’s atmosphere. (SpaceX)

After detaching from its expendable trunk section and reentering Earth’s atmosphere, Cargo Dragon C208 will also become the first cargo spacecraft to splash down in the Atlantic Ocean or Gulf of Mexico thanks to SpaceX’s decision to consolidate its California and Florida Dragon recovery operations on the East Coast.

Also used to recover Crew Dragons, SpaceX ship GO Searcher departed Port Canaveral for its central role in CRS-21’s imminent splashdown. Once Cargo Dragon C208 splashes down at one of four available recovery zones, SpaceX recovery teams will grab and secure the spacecraft and open its hatch. Uniquely time-sensitive cargo can then be transferred to a waiting helicopter for an unprecedentedly rapid return to researchers back on land,

Stay tuned for SpaceX and NASA’s live coverage of Cargo Dragon 2’s first ISS departure and recovery on January 12th or 13th.

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 has a Cybercab problem nobody saw coming

Tesla’s Cybercab line now builds robotaxis faster than Tesla can deploy them, Lars Moravy says.

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Tesla’s Cybercab line in Texas can now build the two seat robotaxi faster than the company can put it into service, according to Lars Moravy, Tesla’s Vice President of Vehicle Engineering. “We don’t run every day because the line can run so fast. It’s currently outpacing our deployments,” Moravy said in a new Cybercab deep dive from Munro Live. “So, it’s a bit of a race right now. Who’s going to go faster? Right now the manufacturing line’s ahead.”

Tesla’s official Robotaxi account shared a Cybercab analysis video on X on Monday, calling it a “Cybercab engineering deep dive.” Moravy’s comments go further than what he told analysts on the Q3 earnings call last week, when he said the Cybercab line’s listed capacity of more than 125,000 units a year undersells what it can actually run.

The tour shows where that speed comes from. Tesla’s unboxed process splits the Cybercab into front, rear, side and center modules that are built and tested on their own before they meet on a short final line. That final line has just 25 fully automated stations, which Tesla’s team estimated is a fifth to a tenth of what a Model Y needs. The full line is about 78% automated, the framing line is already at 100%, and the layout uses roughly 50% less floor space per vehicle. The stated goal is “100% automation in 10 second cycle time,” or one finished Cybercab every 10 seconds.

Tesla also deleted the paint shop. Only the side modules are coated, and the exterior panels get their color inside the molding machine. Engineers said the car is designed to run at least 500,000 miles, which matters for a vehicle that will spend most of its day carrying riders.

The battery got the same treatment. The Cybercab uses an 88S6P pack of 4680 cells in a steel enclosure, a first for Tesla, with each module potted separately so a single failed module can be swapped instead of the whole pack. Wireless battery management boards replace a wiring harness, and new contactors are fast enough to drop the pyro fuse entirely. Tesla’s battery director graded the pack an A minus, compared with a D for the Model Y structural pack and a B minus for Cybertruck. Up front, the drive unit runs an 11:1 gear ratio versus roughly 9:1 on most Teslas, since the Cybercab does not need a high top speed.

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The deployment side is now the bottleneck Moravy described. Tesla had more than 50 Cybercabs working the Formula 1 weekend in Austin, and Texas records show 463 Cybercabs registered. Tesla said on its earnings call that Cybercab service will launch in Dallas next month, and Moravy said the company is aiming to get Cybercabs to customers by the end of 2026. Every unit built so far has gone into Tesla’s own fleet since the line moved into volume production in April.

Munro Live also asked when it could get a Cybercab to tear down. Tesla’s answer: “Not yet.”

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How SpaceX Is raising Raptor’s sea-level thrust while holding engine mass steady

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Credit: SpaceX

SpaceX’s Raptor engine family has steadily increased sea-level thrust while simultaneously reducing mass, turning iterative engineering gains into substantially higher performance for the Super Heavy booster. CEO Elon Musk shed more light on how powerful Raptor 4 will be, and it’s pretty crazy.

Raptor 1 delivered 185 metric tons of thrust at roughly 2,080 kilograms, while Raptor 2 raised that to 230 tons while cutting mass to about 1,630 kilograms. SpaceX data for Raptor 3 lists a target of 280 tons at 1,525 kilograms (with further reductions in associated vehicle hardware), while operational flight ratings have been cited near 250 tons.

This morning, Elon Musk stated that Raptor 4 is expected to reach 300 tons of sea-level thrust at roughly the same mass as Raptor 3. Across these versions, thrust has risen by more than 60 percent from the first engines while engine mass has fallen, producing a sharp improvement in thrust-to-weight ratio. This is a true testament to how great SpaceX engineering has been:

With 33 engines on SuperHeavy, the jump from earlier versions to a 300-ton Raptor 4 would produce roughly 9,900 metric tons of total liftoff thrust, nearly three times the Saturn V’s approximately 3,400 metric tons from its five F-1 engines.

This is not just a larger number on a data sheet, either, as sea-level thrust is the force available the moment the vehicle leaves the pad. This is when it is heaviest and still deep in Earth’s gravity well and dense atmosphere.

Higher levels of sea-level thrust directly improves the initial thrust-to-weight ratio of the full stack. A higher ratio produces faster acceleration off the pad, which shortens the time the rocket has to spend fighting gravity, and gravity losses during the first minute or two of the flight are a major drain on total available delta-v. Every second shaved off of that early climb preserves more propellant energy for reaching orbital velocity or for carrying extra payload.

Because Super Heavy’s engine count is constrained by vehicle diameter and packing density, increasing thrust per engine is the most straightforward way to raise total liftoff performance without redesigning the booster structure or design.

The same-mass target for Raptor 4 is equally important. Holding engine mass roughly constant while raising thrust improves the engine’s own thrust-to-weight ratio and reduces the structural and propellant mass fraction that must be carried solely to support the engines.

Earlier Raptor iterations also simplified or eliminated extensive vehicle-side hardware such as heat shields. These gains compound: more force for less installed mass leaves additional capacity for propellant, payload, or operational margins such as engine-out capability.

For Starship’s architecture, the practical effects are large. Greater liftoff thrust supports heavier vehicles, larger propellant loads, and higher payloads to low Earth orbit, figures SpaceX has targeted in the 100-plus-ton reusable range. That capacity underpins orbital refueling, lunar missions, and eventual Mars cargo and crew flights.

Continued growth in sea-level thrust therefore tightens the gap between theoretical rocket performance and the high flight rates and reusability needed to make large-scale space transport practical.

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Tesla Assisted Driving expands to tenth EU country

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Tesla has expanded its Tesla Assisted Driving (TAD) suite to its tenth European country, as Latvia joined a growing list of European Union member states authorizing the company’s advanced driver assistance technology.

Tesla Europe announced this morning that the system is now approved in Latvia, with a software rollout to begin soon.

The approval and rollout follow recognition of a provisional European type approval originally granted by the Netherlands’ RDW authority on April 10.

Latvia’s Road Traffic Safety Directorate (CSDD) evaluated the Dutch documentation, coordinated with the other national authorities, and reviewed updates from Tesla. These included tightened limits on speed offsets, automatic resets of any manual speed adjustments after each trip, and stronger driver monitoring.

In Europe, the feature is marketed as Tesla Assisted Driving after a recent rule change that labeled the name “Full Self-Driving” as misleading.

Tesla starts showing how FSD will change lives in Europe

The system remains an SAE Level 2 driver assistance tool, not unsupervised autonomy. It can control speed, steering, braking, lane changes, and intersections while following a navigation route. Drivers need not keep their hands on the wheel at all times, yet they must continuously monitor the road and be prepared to intervene immediately.

The sequence of EU recognitions began with the Netherlands in April and continued through Lithuania, Estonia, Denmark, Belgium, Slovenia, Czechia, Croatia, and Slovakia. Most have relied on mutual recognition of the single Dutch provisional approval rather than independent national testing.

These national clearances do not yet constitute bloc-wide authorization. An EU-wide decision requires a qualified majority in the Technical Committee on Motor Vehicles: at least 15 of 27 member states representing 65 percent of the EU population. Larger markets, like Germany, France, and Italy, remain under review, and a vote is expected this December.

However, for Latvian Tesla owners with compatible vehicles and software, the imminent rollout expands access to the supervised system while underscoring that attentive human oversight remains essential.

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