Connect with us

SpaceX

SpaceX’s Crew Dragon flawlessly docks with space station in spectacular orbital debut

SpaceX's Crew Dragon docked to the International Space Station several minutes early after a flawless approach. (NASA)

Published

on

Nearly half a decade and millions of hours of work have finally paid off after SpaceX’s Crew Dragon pulled off a flawless orbital debut, launching atop the first crew-rated Falcon 9 and docking with the International Space Station (ISS) a little over 24 hours later.

For what CEO Elon Musk described as a spacecraft with barely a part shared with the company’s already operational Cargo Dragon, such an unremarkable (in terms of surprises) launch debut is a massive achievement that speaks directly to the success of the NASA-SpaceX partnership and the exhaustive design, testing, and optimization directed at Crew Dragon. Having now completed two major trials – launch and docking – for DM-1, the spacecraft’s third and final hurdle will occur on March 8th when it attempts to safely return to Earth.

Beginning around 3:30 am and lasting til 10:45 am EST (08:30-15:45 UTC), SpaceX and NASA employees hosted live coverage of Crew Dragon’s inaugural visit to the International Space Station (ISS), a process that included multiple demonstrations of the spacecraft’s ability to approach, halt, and reverse. Almost ten minutes ahead of schedule, Crew Dragon successfully docked with the ISS in a first for SpaceX, having previously only conducted berthings with its Cargo Dragon vehicle.

 

Advertisement
-

Having also debuted a previously untested docking adapter (the International Docking Adapter, IDA), the Station’s three astronauts worked to open Dragon’s hatch, a task which they completed an hour or two after “capture”. This was rapidly followed by the astronauts entering SpaceX’s Crew Dragon, another historic first for the crew-rated spacecraft. They were greeted by Ripley (also known as Starwoman) and what Anne McClain described as small Earth, the stuffed globe that was included partially as a joke and a “super high tech zero-g indicator” according to Musk. After determining that Crew Dragon’s atmosphere was non-toxic, the astronauts removed breathing masks and returned to the capsule’s interior to formally welcome it to the ISS as the world’s newest orbital spacecraft, as well as the first commercially-developed vehicle meant to carry humans into orbit.

While it may be unintuitive, the two dozen or so relatively slow and quiet hours that followed Crew Dragon’s launch were and remain far more important, and the spacecraft’s flawless on-orbit performance has thus far retired a huge number of concerns front and center for the first true launch of any spacecraft, let alone one designed specifically to carry astronauts and keep them safe. Thus far, Crew Dragon has done exactly that, approaching the ISS and docking with nary a hiccup, as if the rendezvous was the umpteenth and nothing out of the ordinary.

Technical achievements aside, the live coverage of Crew Dragon’s patient approach was perhaps some of the most spectacular and emotionally compelling content yet provided by SpaceX and NASA. At one point, as orbital sunset neared, a NASA ground controller requested that the spacecraft’s onboard spotlight be enabled to continue the docking approach, to which the SpaceX engineer hosting the webcast remarked on just how incredible and surreal it was to watch Crew Dragon methodically approach the station from less than 100 feet away. In fact, he had apparently spent “months” with that very same LED spotlight array on his desk, working to build, qualify, and test it to ensure that the light system was ready for spaceflight, just one of hundreds or thousands of seemingly minute details that one or several employees spent major portions of their lives working on.

 

Advertisement
-

Come launch and on-orbit operations, SpaceX and NASA employees across the US hung on this mission’s every step with a singular nervousness, focus, and pride that easily beat even the buzz that surrounded Falcon Heavy’s iconic launch debut. Humanity as a whole may have paid significantly less attention to Crew Dragon’s launch debut, but almost every SpaceX employee appeared readily cognizant of the fact that this mission symbolized something radically more important and more fundamental to the company. Founded to ultimately help humanity take permanent steps beyond Earth orbit, Crew Dragon’s thus far flawless debut brings SpaceX as close as its ever been to shouldering the heavy responsibility of launching humans into space, be they NASA astronauts, paying tourists, or Martian hopefuls.

If all continues to proceed apace, DM-1 will conclude with Crew Dragon’s first orbital-velocity reentry on March 8th. Pending that capsules refurbishment and an equally bug-free in-flight abort test NET April to June, SpaceX and NASA could conduct the first crewed launch of Crew Dragon less than six months from now in July 2019. Much work lies ahead and delays are undeniably possible (if not probably), but – as they say – so far, so good.


Check out Teslarati’s newsletters for prompt updates, on-the-ground perspectives, and unique glimpses of SpaceX’s rocket launch and recovery processes!

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.

Advertisement
Comments

News

Starlink is ‘biggest competitive advantage,’ but it’s temporary, United CEO says

Published

on

Credit: United Airlines

United Airlines CEO Scott Kirby said that SpaceX’s Starlink satellite internet is its leading competitive advantage in the U.S. airline industry. However, in recent comments, while he described the service as “the biggest competitive advantage” the carrier currently holds, he also acknowledged that the edge is temporary.

“…everybody eventually is going to have high-speed low earth orbit internet connectivity. It’s going to be a must-have. We are going to have a few years of being the only airline that has it at scale, and that’s our mission,” Kirby said. Until everyone has it, United aims to capitalize on its head start by converting trial users into long-term loyal customers.

United has moved faster than its rivals on Starlink installations. As of mid-to-late October 2026, the system was on roughly 43 percent of its fleet, with plans to reach 61 percent by year-end, 87 percent by June 2027, and full fleet coverage by the end of next year.

The airline already operates more Starlink-equipped flights than the rest of the U.S. industry combined. Los Angeles International Airport is scheduled to become United’s first 100 percent Starlink hub in the first half of 2027, and the carrier’s app will display the likelihood that any given flight has the service.

Kirby has pointed to early evidence that the offering influences booking decisions. Some passengers loyal to other airlines are already switching flights for Starlink connectivity, something the airline, along with American Airlines, has tried to leverage against competing airlines. Both companies used status-match programs, and some of those customers are pursuing company-specific credit cards, which signals an intent to stay.

Once onboard, these customers encounter the airline’s broader investments in aircraft, larger seat-back screens, oversized bins, connection tools, and a mobile app that Kirby says outperforms competitors. Wi-Fi satisfaction scores on Starlink-equipped planes have been reported to be nearly double those on aircraft with other systems.

Competitors are moving slowly to do the same. Southwest Airlines began installations in 2025 and expects to complete them soon. Delta is pursuing Amazon’s Leo system, while American expects to start Starlink work in early 2027 and has not yet detailed regional-fleet plans. This timeline gap gives United a multi-year window in which it remains the only major U.S. carrier offering Starlink at scale.

Advertisement
-

Kirby has framed the strategy as pressing that advantage while simultaneously widening gaps in other technology areas so that customers who try United for the Wi-Fi remain for the overall experience.

The approach reflects a calculated bet that superior in-flight connectivity can accelerate share gains and support longer-term financial targets, including a 10 percent pre-tax margin goal.

High-speed internet is particularly valued by premium and business travelers who can work or stream reliably. As low-Earth-orbit service becomes ubiquitous, the temporary nature of the pure connectivity edge means United’s retention will depend on whether its other product and operational improvements keep pace.

Continue Reading

Elon Musk

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

Published

on

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.

Advertisement
-

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.

Continue Reading

News

Tesla expands Robotaxi geofence in Houston with an ode to SpaceX merger

Published

on

Tesla expanded its Robotaxi geofence in Houston, Texas, today, enlarging the service area and drawing a new rocket-shaped boundary across the city’s northwestern and central parts.

Although CEO Elon Musk said it was just a coincidence, the expansion seems to be an ode to SpaceX and its potential merger with Tesla.

The official Tesla Robotaxi account announced the change with the lines “Houston, we have liftoff” and “Bigger service area now live,” pairing them with a map overlay.

Advertisement
-

The prior white geofence, roughly 25 square miles covering Jersey Village, Harvest Bend, and the Willowbrook corridor along U.S. 290 and State Highway 249, now sits inside a larger blue zone that stretches southeast toward Bellair and closer to central Houston.

Houston’s Robotaxi service launched on April 18, 2026, the same day as Dallas, as Tesla’s first unsupervised public expansion beyond Austin. From the start, the vehicles were Model Ys running without anyone in the front seats, booked through the dedicated Tesla Robotaxi app and open to the public inside the geofence.

Trackers measured the initial zone at about 25 square miles; by late September it had not grown substantially. Community and registry data indicated a modest local fleet of unsupervised Model Ys, while dozens to nearly 200 Cybercabs, the purpose-built, steering-wheel-free two-seaters, have been spotted staging and testing in Houston lots, though public Cybercab rides remain limited to Austin for now.

Across the broader Robotaxi program, Tesla began public Robotaxi rides in Austin in June 2025, as a small geofence and vehicles with safety monitors became available for a ride-hailing service. Later on, Tesla removed the monitors and steadily expanded the service area until it covered most of the Austin metro area.

Unsupervised Robotaxi services now run in six cities: Austin, Dallas, Houston, Miami, Orlando, and Tampa. Cumulative driverless miles reported by the company have reached several million. The Cybercab entered public service in Austin in early September 2026 and has scaled rapidly there. The company has also said that Dallas is next for Cybercab rides in November, with further cities and 24/7 hours targeted by year-end, plus fleet-operator sales of the vehicle.

Waymo also operates a fully driverless service in Houston, which has been open to the public since August of this year.

Advertisement
-

The Houston expansion continues Tesla’s pattern of starting with tightly controlled validation zones before widening coverage as real-world data accumulates, while the rocket motif on the map underscores the company’s habit of injecting visual flair into its autonomy rollout.

Riders inside the new boundary can request unsupervised Model Y trips in the Robotaxi app; exact operating hours and further Cybercab availability remain subject to app updates and company statements.

Continue Reading