SpaceX CEO Elon Musk responded on social media platform X that he plans to push back in court.

• READ MORE: SpaceX Takes Aim at FAA After Latest Starship Launch Delay

“SpaceX will be filing suit against the FAA for regulatory overreach,” Musk wrote.

Musk’s company is also under FAA scrutiny for failing to get approvals for changes to two rocket launches last year and using an unapproved rocket propellent farm prior to a July 2023 launch.

According to a Reuters report, the FAA said SpaceX did not receive approval to add a new launch control room and remove the T-2 hour readiness poll from its communications procedures related to its license to launch from the Cape Canaveral Space Force Station in Florida.

• READ MORE: SpaceX Falcon 9 Rocket Grounded Amid Upcoming Human Spaceflight Mission

“Safety drives everything we do at the FAA, including a legal responsibility for the safety oversight of companies with commercial space transportation licenses,” FAA chief counsel Marc Nichols said. “Failure of a company to comply with the safety requirements will result in consequences.”

Editor’s Note: This article first appeared on AVweb.

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Commander Jared Isaacman, the billionaire CEO of Shift4 Payments who purchased the five-day orbital flight from SpaceX, and mission specialist Sarah Gillis, one of two SpaceX engineers who are the company’s first employees to fly to space, exited SpaceX’s Dragon capsule one at a time, each spending about 12 minutes outside. The astronauts were traveling at 17,500 mph at an altitude more than 450 miles above Earth, higher than the International Space Station.

But there’s a catch. Because Dragon does not have an airlock, all four crewmembers were exposed to the vacuum of space. The mission profile added risk compared to a typical spacewalk, where astronauts enter and exit through a vacuum-sealed chamber.

“Today’s EVA was the first time four humans were exposed to the vacuum of space while completing the first-ever commercial astronaut spacewalk from a commercially-produced spacecraft in commercially-produced extravehicular activity [EVA] suits,” said Stu Keech, vice president of Dragon engineering at SpaceX.

SpaceX provided live stream coverage of the full, approximately two-hour process, which can be rewatched here.

The Falcon 9 rocket carrying Dragon and the Polaris Dawn crew lifted off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida early Tuesday morning. Almost immediately, the astronauts began preparing for the spacewalk.

The first step was a “prebreathe” to remove nitrogen bubbles that can form within body tissues, causing decompression sickness. During the approximately two-day process, the cabin’s pressure was lowered and oxygen levels were raised gradually to help the crew acclimate.

After that, the astronauts donned their EVA spacesuits, which are designed to be worn both inside and outside the spacecraft. Developed by SpaceX with help from Isaacman’s Polaris team, the suits have endured hundreds of hours of testing and feature greater mobility, durability, and even a high-tech heads-up display (HUD).

“Building a base on the moon and a city on Mars will require thousands of spacesuits,” SpaceX said in a post on X. “The development of this suit, and the EVA performed on this mission, will be important steps toward a scalable design for spacesuits on future long-duration missions.”

After completing suit leak checks and venting Dragon down to vacuum, Isaacman opened the hatch and was first to egress. Remaining attached to the spacecraft, he used a specially designed structure called Skywalker to move around and perform tests on the suit’s thermal and mobility systems. Skywalker is equipped with several cameras that were used to capture the moment in real time.

“SpaceX, back at home we all have a lot of work to do,” Isaacman said as he looked down on the planet below, “but from here, Earth sure looks like a perfect world.”

After Isaacman returned, it was Gillis’ turn. The SpaceX engineer stepped out and performed the same series of tests, while mission pilot Scott “Kidd” Poteet and mission specialist and medical officer Anna Menon monitored her support systems.

Finally, the hatch was closed, Dragon was repressurized, and the astronauts removed their suits.

“Dragon uses pure nitrogen during ‘repress,’ which mixes with the pure oxygen being released into the cabin via the open loop system that keeps the EVA suits pressurized,” SpaceX said. “This process is unique to Dragon which acts as its own airlock.”

From venting to repressurization, the entire process took about one hour and 45 minutes.

SpaceX CEO Elon Musk was quick to praise the crew for its historic achievement, as was NASA administrator Bill Nelson.

“Congratulations @PolarisProgram and @SpaceX on the first commercial spacewalk in history!” Nelson posted on X. “Today’s success represents a giant leap forward for the commercial space industry and @NASA’s long-term goal to build a vibrant U.S. space economy.”

Polaris Dawn, the first of three missions Isaacman purchased for SpaceX under the Polaris program, has so far lived up to its lofty expectations. In addition to the spacewalk, the astronauts on day two of the mission ascended to an orbital height not reached by humans since the Apollo 17 astronauts in 1972, passing through hazardous radiation belts. 

Menon also read a children’s book she authored, Kisses from Space, for her family and patients of St. Jude Children’s Research Hospital, live from orbit. While the Polaris missions are scientific—Polaris Dawn alone will conduct nearly 40 experiments—they are also billed as charitable endeavors to raise money for St. Jude.

Ultimately, the Polaris program may have a ripple effect on NASA’s efforts to return Americans to the moon via the Artemis program.

Polaris Mission III is expected to be the debut crewed flight of SpaceX’s Starship, the largest and most powerful rocket ever built. The space agency has asked the company to develop a lunar lander variant of Starship to land astronauts on the moon’s south pole, which will be used during Artemis III scheduled for September 2026.

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On Tuesday, as the company occasionally does when facing what it deems to be unfair treatment, SpaceX posted a lengthy update decrying the decision. According to the firm, the FAA had assured it that Starship would get the green light this month. It claims the rocket has been ready to fly since early August, an assertion CEO Elon Musk reiterated last week.

“Unfortunately, we continue to be stuck in a reality where it takes longer to do the government paperwork to license a rocket launch than it does to design and build the actual hardware,” the firm said. “This should never happen and directly threatens America’s position as the leader in space.”

With the ability to be used multiple times on the cheap, Starship is expected to be a game-changer for U.S. spaceflight. SpaceX wants to launch the rocket up to 120 times per year from NASA’s Kennedy Space Center and Cape Canaveral Space Force Station in Florida. Musk last week claimed the vehicle will reach Mars within two years.

SpaceX is also developing a Starship human landing system (HLS), a lunar lander variant of the spacecraft, for NASA’s Artemis III mission, which would return Americans to the moon for the first time in more than half a century. Starship will require a few more test flights before the mission, which is scheduled for late 2026.

That’s not much time, but SpaceX plans to get there using its philosophy of iterative design. Basically, the company puts flight hardware through real-world testing as often as possible to learn quickly and improve the chances of success on the next flight. The strategy helped it commercialize the now-ubiquitous Falcon rocket.

“The more we fly safely, the faster we learn; the faster we learn, the sooner we realize full and rapid rocket reuse,” SpaceX said.

Each Starship test flight has flown farther and accomplished more than the last. The fourth, in June, marked the first time both Starship and the Super Heavy booster made it back to Earth in one piece after the first two attempts ended in explosions.

Keeping with the trend, Flight 5 will feature the most ambitious goal yet. SpaceX will attempt to catch Super Heavy midair using two large “chopstick” arms, returning it safely to the Starbase launch pad in Boca Chica, Texas. 

The maneuver could pose risk to Starbase’s launch tower, but SpaceX says it has been preparing for years. The delay could create a ripple effect that hampers future Starship test flights. Safely returning the booster is a critical piece of the system’s reusability.

“It’s understandable that such a unique operation would require additional time to analyze from a licensing perspective,” the firm said. “Unfortunately, instead of focusing resources on critical safety analysis and collaborating on rational safeguards to protect both the public and the environment, the licensing process has been repeatedly derailed by issues ranging from the frivolous to the patently absurd.”

What’s the Holdup?

SpaceX said the FAA communicated that a launch license would be awarded this month, but the process has been delayed due to “four open environmental issues” it deems unnecessary.

Starship’s maiden voyage in April 2023 was a brief but bombastic one. The FAA grounded the rocket as it investigated the launch and explosion, which shook buildings, shattered windows, and sent ash and debris flying miles away.

The impact was more severe than SpaceX anticipated due to the lack of a flame deflector—a common fixture at launch sites that uses water to absorb energy and heat—beneath Starbase. According to Musk, the system was absent because it “wasn’t ready in time” and the company thought the pad could withstand the launch.

The FAA’s handling of Starship’s initial launch license prompted a lawsuit from five environmental groups, which the agency reportedly has sought to dismiss. With the flame deflector installed, subsequent Starship flights have not destroyed the launch pad.

However, the FAA has approved two 60-day consultations that could extend the timeline for a fifth mission.

According to SpaceX, the only proposed change to the mission’s hot-stage jettison—during which the top of the Super Heavy booster is expelled—is a new splashdown location, which it says would not raise the risk of harm to marine life. Still, the FAA signed off on a consultation with the National Marine Fisheries Service to evaluate the new site.

“SpaceX’s current license authorizing the Starship Flight 4 launch also allows for multiple flights of the same vehicle configuration and mission profile,” the agency told FLYING. “SpaceX chose to modify both for its proposed Starship Flight 5 launch which triggered a more in-depth review.”

SpaceX, though, fears the review could be longer.

“The mechanics of these types of consultations outline that any new questions raised during that time can reset the 60-day counter, over and over again,” it said.

A separate consultation with the U.S. Fish and Wildlife Service (USFWS), requested by the FAA due to Flight 5’s larger sonic boom radius, could add to the delays. A sonic boom occurs as Starship slows from supersonic speeds on its way back to Earth.

“SpaceX submitted new information in mid-August detailing how the environmental impact of Flight 5 will cover a larger area than previously reviewed,” the FAA said. “This requires the FAA to consult with other agencies.”

According to SpaceX, both agencies have studied Starship booster landings and concluded there is no significant environmental impact from sonic booms. The firm also claims studies back the idea that sonic booms have no detrimental effect on wildlife—but the jury is still out on that one.

According to an evaluation by the California Coastal Commission of SpaceX’s request to increase Falcon 9 launches at Vandenberg Space Force Base in California, experts don’t fully understand the effects of noise on animals. The commission rejected the request in part because sonic booms generated by Falcon 9—a less powerful rocket than Starship—force too many closures and evacuations of local parks.

“At Starbase, we implement an extensive list of mitigations developed with federal and state agencies, many of which require year-round monitoring and frequent updates to regulators and consultation with independent biological experts,” SpaceX said.

Among other things, the company says it works with a local nonprofit to transport injured sea turtles for treatment and monitors bird local populations, using drones to search for nests before and after launch and. It also “adopted” Boca Chica Beach through a Texas state program and sponsors quarterly cleanups it says have removed hundreds of pounds of trash.

A CNBC report last month, which SpaceX swiftly rebuked, alleged that the company violated the Clean Water Act. The Environmental Protection Agency, though, told FLYING it did indeed violate that law.

Days before Starship’s third test flight in March, the EPA issued an order directing the company to eliminate “unpermitted discharges,” citing a liquid oxygen spill from the flame deflector’s water deluge system that seeped into the surrounding wetlands. SpaceX was forced to apply for a new permit from the Texas Commission on Environmental Quality (TCEQ), which it did in July, but still ate a fine of nearly $150,000 to resolve the violation.

In response, the company denied it ever discharged pollutants or operated the deluge system without TCEQ permission. According to SpaceX, the device uses “literal drinking water” and has been deemed safe by the FAA, TCEQ, and USFWS.

SpaceX further claimed that the EPA issued its order without knowledge of its TCEQ license or “a basic understanding of the facts” of the system’s operation. It added that the fines are “entirely tied to disagreements over paperwork” and stem from a simple misunderstanding.

“We chose to settle so that we can focus our energy on completing the missions and commitments that we have made to the U.S. government, commercial customers, and ourselves,” SpaceX said. “Paying fines is extremely disappointing when we fundamentally disagree with the allegations, and we are supported by the fact that EPA has agreed that nothing about the operation of our flame deflector will need to change. Only the name of the permit has changed.”

The proposed settlement is open for public comment until October 21.

Singled Out?

The implication by SpaceX is that it is being unfairly targeted for its successes.

The company is prolific within the commercial spaceflight industry—experts estimate it accounted for 87 percent of all spacecraft mass space operators sent into orbit in 2023. At the same time, it handles more NASA missions than any of the agency’s private contractors.

That dominance occasionally draws ire from competitors such as Jeff Bezos’ Blue Origin, or, as SpaceX puts it, “bad-faith hysterics from online detractors or special interest groups.”

“Despite a small, but vocal, minority of detractors trying to game the regulatory system to obstruct and delay the development of Starship, SpaceX remains committed to the mission at hand,” the company said.

NASA has made it known that it intends to become one of many customers within a commercial space ecosystem, rather than a service provider, by the end of the decade. As SpaceX continues to snap up NASA contracts—including an agreement to deorbit the International Space Station, ushering in that new era—rivals and critics may fear that its supremacy will only grow.

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Last week, Blue Origin filed a public comment to the FAA requesting that the regulator limit the number of launches of SpaceX’s Starship—the largest and most powerful rocket ever built—out of Launch Complex-39A at Kennedy Space Center in Florida, which currently hosts the company’s Falcon 9 and Falcon Heavy rockets.

The FAA in May released a SpaceX proposal for high-frequency Starship operations at Kennedy, including the construction of infrastructure that would allow Musk’s firm to complete 44 launches per year.

The filing is the latest wrinkle in the multiyear feud between Musk and Bezos, who have exchanged taunts and legal actions as they battle for supremacy in the commercial spaceflight industry. Both SpaceX and Blue Origin have obtained contracts from U.S. government agencies such as NASA and the Pentagon and intend to make cosmic tourism a piece of their business.

“Sue Origin,” Musk bantered on social media platform X, which he acquired in 2022.

In a subsequent post, the SpaceX boss added, “An obviously disingenuous response. Not cool of them to try (for the third time) to impede SpaceX’s progress by lawfare.”

The public comment filed by Blue Origin has no legal bearing, but the FAA will consider it as it determines what restrictions to place on Starship at Kennedy.

SpaceX is seeking a commercial launch vehicle operator license for Starship operations at Launch Complex 39-A, which will require the preparation of an environmental impact statement (EIS). The EIS describes the potential effects of those operations on the surrounding environment and was required for SpaceX to begin the Starship orbital test flight program, for example. SpaceX will prepare the assessment itself under FAA supervision.

During Starship’s maiden voyage, which ended in a ball of flames a few minutes into the mission, the impact from the launch caused unexpected damage as far as 6 miles away from the Starbase launchpad in Boca Chica, Texas. The force of Starship broke windows, sent ashy debris into the sky, and brought an FAA investigation into SpaceX’s environmental mitigations, grounding the rocket for months. Five environmental groups sued the FAA over its handling of the mission.

Since then, SpaceX has made several improvements to Starbase to contain Starship’s debris field, and subsequent missions have resulted in little fanfare. However, it appears Blue Origin will use the incident as leverage in its plea to the FAA.

“At Starbase, Starship and Super Heavy test missions have been subject to environmental scrutiny due to their impact on the local environment and community,” the public comment reads, citing the aforementioned lawsuit against the regulator as evidence.

Blue Origin too launches operations out of Kennedy. The company leases Space Launch Complex-36 and occupies several hangars, as well as a manufacturing site, at Cape Canaveral Space Force Station (CCSFS), which it says are close to the area SpaceX wants to use.

“Blue Origin employs over 2,700 full-time employees in [Florida’s] Brevard County, including 449 employees at CCSFS that are directly impacted by local launch activities,” the filing reads. “Blue Origin has invested more than $1 billion in capital expenditures to develop [Launch Complex-36] as the first privately built heavy-lift launch complex in the world.”

The company said it worries about the safety of property and personnel during a Starship launch anomaly, such as an explosion, fire, debris, or loud noise. It also argued that Starship operations could impede Blue Origin’s access to shared infrastructure and “limited airspace and maritime resources.”

Starship and the Super Heavy booster hold about 5,200 metric tons of liquid methane for propulsion—the force of which, Blue Origin claims, would impede company and government activities at Kennedy due to the anticipated requirement of a safety margin around the site.

The firm urged the FAA to place a cap on the number of Starship launches, specify and limit launch times, and invest in infrastructure that would make Kennedy and CCSFS safer and more accessible for other launch providers.

It also suggested that SpaceX and the government be required to compensate Blue Origin or other companies whose commercial activities are impacted by Starship, as well as mandatory penalties for SpaceX should it violate the EIS or its license.

Given Bezos’ history with Musk, it’s difficult to say whether genuine concern, a desire to hamper the competition, or both prompted the comment.

Blue Origin is developing an alternative to Starship, New Glenn, but the rocket has faced delays and has yet to fly. New Glenn has collected a handful of customers, including Amazon’s Project Kuiper and NASA, which intends to launch it to Mars on its maiden voyage later this year.

NASA was at the center of the most publicized dispute between Blue Origin and SpaceX. After the space agency tapped SpaceX as the sole provider of a human landing system (HLS) for Artemis missions to the moon, Bezos in 2021 took NASA to court, arguing that it had promised two contracts.

The company would ultimately lose that battle. But the space agency in 2023 announced Blue Origin as the second Artemis HLS provider. Both companies are now working with NASA to develop a revamped plan for the Mars Sample Return Program, each receiving a $1.5 million contract.

The firms are also competing in the military sphere. In 2022, Blue Origin lost out on a pair of Pentagon contracts at the expense of SpaceX and United Launch Alliance, a joint venture between Boeing and Lockheed Martin. But earlier this month, it secured its own agreement with the U.S. Space Force for 30 military launches, worth up to $5.6 billion.

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Starship and the Super Heavy booster finally made it back to Earth following the spacecraft’s fourth integrated flight test (IFT-4), which was the main goal of the mission that launched from Boca Chica, Texas. As SpaceX put it, “the payload for this test was the data.”

Super Heavy splashed down in the Gulf of Mexico after jettisoning from Starship about four minutes into the flight. Starship, meanwhile, flew nearly halfway around the world over the course of about 40 minutes before splashing down in the Indian Ocean.

External cameras and on board Starlink satellites gave viewers a rare live look at Starship’s reentry into Earth’s atmosphere from its suborbital flight path. The video feed appeared to show the loss of several heat shield tiles and damage to one of the flaps—which control the vehicle as it decelerates from hypersonic speeds—as plasma built up around the spacecraft.

Live footage cut in and out several times, prompting cheers from the SpaceX team each time the feed was restored. Crews toasted marshmallows in celebration of Starship’s inaugural landing burn, which slowed it down for a “soft” ocean landing. Then, finally, after much anticipation, the gargantuan spacecraft splashed down for the first time at T-plus 1 hour and 6 minutes.

“Despite loss of many tiles and a damaged flap, Starship made it all the way to a soft landing in the ocean!” said SpaceX CEO Elon Musk in a post on X, the social media platform he acquired in 2022. “Congratulations @SpaceX team on an epic achievement!!”

NASA Administrator Bill Nelson, who is betting on Starship to complete the necessary test flights in time for SpaceX to prepare a Starship Human Landing System (HLS) for the Artemis III mission—NASA’s first lunar landing attempt since the Apollo missions—also sang the praises of IFT-4.

After successfully making it to suborbit and back, the arrow is pointing up for Starship.

Each of the spacecraft’s first two integrated test flights ended in explosions, and its third was cut short just after reentering the atmosphere. All three attempts resulted in the spacecraft’s grounding by the FAA.

But SpaceX painted these as successes. According to the company, Starship’s development falls under its philosophy of rapid design iteration. Essentially, the firm is okay with blowing up a few rockets if it can collect data that helps it hone the design, increasing the chances of success on future launches.

A reentry and soft landing was the primary objective of Thursday’s flight test, validating that Starship and Super Heavy—which are designed to be reusable—could survive the extreme conditions during approach and landing.

At present, it’s unclear whether the extent of the damage will prevent the rocket from flying again. But with both stages back on Earth, it seems unlikely that the FAA would move to ground Starship for a fourth time.

“The fourth flight of Starship made major strides to bring us closer to a rapidly reusable future,” SpaceX said in an update on its website. “Its accomplishments will provide data to drive improvements as we continue rapidly developing Starship into a fully reusable transportation system designed to carry crew and cargo to Earth orbit, the moon, Mars, and beyond.”

That would mean Musk and SpaceX can turn to the next step in Artemis preparations: an in-orbit propellant transfer demonstration. Following that, Starship will need to complete an uncrewed lunar landing, which could require multiple launches.

The final phase will be a crewed flight test, in which the spacecraft will land billionaire entrepreneur Jared Isaacman on the moon. Isaacman is the driving force behind the Polaris Program, which in 2022 purchased three flights from SpaceX in an effort to advance human spaceflight. The program’s first mission, Polaris Dawn, is expected to launch this summer on SpaceX’s Falcon 9 rocket. It will culminate in the crewed flight of Starship.

It’s difficult to gauge exactly how many Starship launches SpaceX will need to complete before the rocket is certified for routine missions. But the company is under a time crunch.

Already, Artemis III has been pushed back from 2025 to September 2026. And NASA, facing competition from Russia, China, and others to expand the envelope for human spaceflight, will likely want to stick to that timeline.

If that’s the case, SpaceX will need to see continued positive results from rapid design interaction. The good news is that Starship appears to be on the right trajectory.

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The company’s massive rocket and Super Heavy booster, which when stacked together stand nearly 400 feet tall, have been grounded since March as the FAA conducts a mishap investigation into Starship’s third uncrewed orbital test flight.

However, Musk on Saturday posted an image to social media platform X—which he acquired in October 2022—of Starship and Super Heavy being moved back to the company’s Starbase launchpad in Boca Chica, Texas, which hosted the rocket’s first three test flights.

In response to a query about the date of the fourth flight, called Integrated Flight Test 4 or IFT-4, Musk gave a timeline of three to five weeks. That would place the next launch sometime in June.

SpaceX has a hit-or-miss track record when it comes to predicting Starship launches. Gwynne Shotwell, the company’s chief operating officer, said in March for example that IFT-4 could launch as soon as early May.

During the lead-up to Starship’s second test flight, which ultimately launched in November, Musk gave a timeline of six to eight weeks in April and again in June. In September, he said the rocket was “ready to launch” and was swiftly rebuffed by the FAA. However, on November 3, SpaceX correctly predicted that Starship would launch again by the middle of the month.

Starship’s three test flights have improved on each attempt but resulted in groundings of varying lengths by the FAA. The agency’s initial investigation spanned from April to November. The second took half as long, wrapping up between November and February.

Given the improvements made to Starship and Starbase before the rocket’s second flight test—such as the installation of a water-cooled steel plate beneath the launch pad to contain debris—and the relative success of its third flight test, SpaceX could be looking at a similar timeline of around three months for the current investigation. That would put it in line to close in June, making Musk’s prediction appear feasible.

Musk and SpaceX have already set ambitious goals for Starship’s fourth flight. The biggest will be to survive reentry into Earth’s atmosphere, which is where the previous mission failed. Both Starship and the Super Heavy booster are designed to be reusable.

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SpaceX this week quietly added a “Human Spaceflight” tab to its website, listing four destinations to which customers can book flights: Earth orbit, the ISS, lunar orbit, and Mars. It is unclear when the new offerings were added.

Pricing information for the missions does not appear to be available. But the webpage directs customers to an email address, humanspaceflight@spacex.com, where they can inquire to book a flight. Missions will begin later this year, the page says, starting with flights to Earth orbit.

FLYING reached out to that email and SpaceX’s press email but did not receive an immediate response.

SpaceX describes its Earth orbit missions as offering a view of the planet from 300 kilometers up. The missions, seating two to four passengers, will last three to six days, offering 360-degree views.

According to the webpage, seats and “on-orbit research opportunities” will be available in late 2024. Regarding the latter offering, SpaceX says it is seeking “exceptional science and research ideas” to study ways to make life in space and on other planets a possibility.

The in-orbit research missions would be facilitated by the company’s Dragon capsule, which since 2012 has ferried more than 1,000 research experiments to low-Earth orbit and the ISS. Customers can submit a research proposal, which SpaceX will either accept or decline. If accepted, the applicant will put together a detailed plan, working with the company to finalize a mission profile, train crews, certify hardware, and collect data.

Two human spaceflight research opportunities are listed on SpaceX’s website: fitness-focused and exploration-focused research. The latter centers largely on the development of medical capabilities for long-duration missions—perhaps to Mars, for example. Mental and physical health and virtual or augmented reality are listed as areas of research interest.

“All Dragon and Starship missions have the ability to conduct scientific research to improve life back on Earth as well as raise awareness to a global audience,” the page reads.

Ten-day commercial missions to the ISS, according to SpaceX, will be available as early as 2025. These would transport up to four people or 192 kilograms of cargo to the orbital laboratory, where passengers could conduct research or simply pay a visit.

Missions to lunar orbit and Mars do not have listed timelines. But the webpage advertises seven-day trips around the moon with up to 12 passengers, with private quarters included. A mission profile for flights to Mars simply lists the Red Planet’s day length, force of gravity, and average distance from Earth.

For all missions, passengers will don a 3D-printed helmet “with customized padding [that] houses microphones for communication and valves that regulate the suit’s pressure systems,” per SpaceX’s description.

The vehicles listed under the Human Spaceflight tab are the Dragon capsule, which is already in use by NASA, and Starship, the reusable upper stage of the company’s massive spacecraft.

Starship and SpaceX’s Super Heavy launcher combined form the largest and most powerful rocket ever constructed, standing close to 400 feet tall when stacked. However, the gargantuan vehicle has been grounded after each of its three uncrewed orbital test flights.

Interestingly, the addition of human spaceflight offerings to SpaceX’s website suggests that the company expects to build on Starship’s most recent flight, and quickly—fast enough to offer missions to lunar orbit in the not-so-distant future. The jumbo rocket is also a key component of NASA’s Artemis II and Artemis III missions to the moon’s orbit and surface, respectively.

SpaceX is not the only company to offer cosmic tourism for paying customers, nor will it be the first to actually deliver on that offering.

Blue Origin in 2021 was the first to fly humans beyond the atmosphere, ferrying CEO Jeff Bezos and Star Trek icon William Shatner to the edge of space. Virgin Galactic followed in June 2023 with its inaugural commercial launch and is now offering monthly suborbital flights for a few hundred thousand dollars per ticket.

Musk and SpaceX’s ambitions, however, are grander than those of their rivals, culminating in the establishment of human colonies on the moon and other planets. But first the company will need to prove it can safely fly humans around the Earth.

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Starship’s next mission, IFT-4, will be the massive rocket’s fourth since it made its maiden voyage in April 2023. The spacecraft launched for the third time in March, but it was also grounded by the FAA for a third time after SpaceX was unable to recover the rocket and booster when they reentered the atmosphere.

In a post on X, formerly Twitter, Musk on Wednesday said SpaceX is now preparing for that fourth test flight. The goal, he said, is for the spacecraft to survive the fireball that forms around it during reentry, when temperatures reach their highest point.

Gwynne Shotwell, chief operating officer of SpaceX, said last week that the flight could happen as soon as early May. It will not have a payload.

SpaceX completed a full-duration static fire test of the Starship upper stage’s six Raptor engines on Monday, less than two weeks after its third voyage. A static fire test involves the loading of propellant and firing of the engines while the rocket is bolted to the launch mount. It is intended to ensure the engine is functioning properly and assess factors like pressure and temperature.

The company on Wednesday completed a second static fire of a single upper-stage engine using the spacecraft’s header tanks. These fuel the engines as they fire shortly before landing, which returns the reusable rocket to a vertical orientation as it approaches the landing pad.

IFT-4, if it goes according to Musk’s plan, would mark the first time Starship and Super Heavy make it to orbit and back to Earth in two pieces. Each of the rocket’s first two test flights ended in explosions. But the third attempt, while still resulting in the loss of the rocket and booster, was comfortably SpaceX’s most successful one yet.

Starship’s six second-stage engines successfully powered on and carried the rocket to orbit for the first time. While in orbit, it achieved several more firsts, including a critical propellant transfer test that demonstrated a maneuver the spacecraft will need to perform on future missions to the moon and beyond, including for NASA. The space agency this month applauded the company’s effort.

Starship also demonstrated the ability to open and close its payload door, which could one day be used to deploy Starlink satellites and other cargo, while in orbit.

After coasting nearly halfway around the Earth, Starship reentered the atmosphere for the first time, adding to the milestones. But after that SpaceX lost communications with the rocket and announced it believed it to be lost.

Before Starship can fly again it will need to be cleared by the FAA, which initiated a mishap investigation following the third test flight. A mishap investigation is standard procedure whenever a launch does not go according to plan. The process concludes with SpaceX obtaining a fresh launch license and could take anywhere from a few months to a few weeks.

Musk, however, does not anticipate any future slowdowns for Starship. He earlier this month said in a post on X that SpaceX would aim for six more Starship launches this year, which would be an unprecedented number for a new super heavy-lift rocket.

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The FAA on Thursday initiated its third mishap investigation into Starship after the 400-foot-tall spacecraft and booster were lost during its third orbital test flight. Both components are intended to be reusable.

Starship will remain grounded until the FAA concludes its investigation and awards a fresh launch license. However, Thursday’s flight undoubtedly built on previous Starship missions, during which the rocket and booster exploded minutes after takeoff. This time around, they flew halfway around the planet.

Starship stands taller than the Statue of Liberty and on Thursday generated nearly twice the thrust of NASA’s Space Launch System, which owned the previous record. Orbital test flights are intended to evaluate the spacecraft’s capabilities for NASA Artemis moon missions, which aim to return humans to the lunar surface for the first time in half a century.

Starship and the Super Heavy booster lifted off Thursday morning from Starbase, SpaceX’s launch pad in Boca Chica, Texas. The spacecraft generated 16 million pounds of thrust from 33 Raptor engines, the most ever in a rocket booster.

Unlike past attempts, Thursday’s mission, OT-3, traveled nearly halfway around the Earth as intended. For the first time, Starship reached space. But when the rocket reentered the atmosphere about 45 minutes into the mission, SpaceX lost communications. The company later said the vehicle did not survive reentry. Starship was intended to splash down in the Indian Ocean, and the booster in the Gulf of Mexico.

However, while not fully completed, the mission was vastly more successful than previous flights. Starship for the first time demonstrated the ability to reach orbital speeds and open its payload door—which could one day deploy Starlink satellites and other cargo—during flight.

Another crucial feat was a liquid oxygen transfer between two tanks, part of a NASA tipping-point demonstration and a key capability for missions to the moon and beyond.

A SpaceX representative estimated the company will need to complete 10 refueling missions before its Starship Human Landing System (HLS)—the capsule that will transport astronauts to the moon during Artemis III—can land on the lunar surface. The representative did not convey how many orbital test flights will be required, but Starship will need to complete at least one mission in full before moving to the next phase.

With three orbital test flights under Starship’s belt, SpaceX CEO Elon Musk on Tuesday predicted the rocket will complete six more this year—an unprecedented number for a new super heavy lift rocket.

Though the flight undoubtedly builds upon Starship’s previous missions, the FAA will nevertheless investigate the loss of communications, which it said affected both the rocket and booster.

A mishap investigation is standard whenever a launch does not go according to plan. The goal is to determine the root cause of the event and identify corrective actions to keep it from happening again.

The regulator said it would be involved in every step of the process. It will need to approve SpaceX’s final report, including any corrective actions the company intends to take, before a license can be reissued.

“A return to flight is based on the FAA determining that any system, process, or procedure related to the mishap does not affect public safety,” the agency said. “In addition, SpaceX may need to modify its license to incorporate any corrective actions and meet all other licensing requirements.”

No public injuries or property damage were reported from OT-3, the FAA said. That was not the case during Starship’s first test flight, which damaged buildings and sent plumes of ash and debris flying miles away.

The investigation into that incident closed within seven months, and the agency’s second inquiry was completed in just three months. Since Thursday’s test was far more successful than the previous two, and no injuries or damage were reported, the investigation timeline may be on the shorter side.

Accidents are not particularly uncommon for spacecraft. In fact, a Japanese rocket called Kairos and a Chinese model called Yuanzheng-1S both suffered anomalies this week. But the delays caused by Starship investigations may have implications for the Artemis missions.

NASA Administrator Bill Nelson congratulated SpaceX on Thursday’s test flight. But with Americans’ return to the moon aboard Artemis III now delayed to 2026, the agency will be expecting a usable Starship HLS by then. Jim Free, associate administrator of NASA, predicted vehicle’s development may take more time than previously thought.

Musk, meanwhile, has touted Starship as a ferry to Mars, envisioning trips to the Red Planet carrying hundreds of humans at a time. Those ambitions will depend on SpaceX ironing out the kinks with the 400-foot-tall rocket and booster.

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The post SpaceX Starship Grounded Again appeared first on FLYING Magazine.

SpaceX’s massive Starship rocket and Super Heavy booster flew for the second time on Saturday, and the results were a mixed bag. Stage separation—the point at which the spaceship’s maiden voyage in April went off the rails—was a success. But like last time, both the rocket and booster exploded and were lost, prompting another mishap investigation by the FAA. Starship will not be able to fly again until the investigation and a launch license evaluation are concluded.

The 400-foot-tall spacecraft took off from Starbase—SpaceX’s launch pad in Boca Chica, Texas, just off the coast of the Gulf of Mexico—Saturday morning after the launch was postponed from Friday. All 33 Raptor engines on the Super Heavy booster fired this time, unlike in April, when a handful of them failed.

Starship’s second test flight successfully debuted a hot-stage separation system, one of “well over 1,000” changes SpaceX made to the design, according to CEO Elon Musk. In hot-stage separation, the upper stage engines are ignited while the booster’s engines are still firing and the two stages remain attached. Previously, the company turned off the booster engines first.

According to SpaceX, Saturday was the first time a vehicle as large as Starship successfully pulled off the technique.

Although the new system achieved its goal, the booster promptly exploded—or experienced a “rapid unscheduled disassembly,” in SpaceX parlance—over the Gulf of Mexico, where it was meant to splash down intact. A few minutes later, after the Starship upper stage reached space, SpaceX engineer and livestream host John Insprucker said mission control lost contact with the spacecraft.

“We think we may have lost the second stage,” Insprucker said on the broadcast.

About 47 minutes into SpaceX’s livestream and eight minutes into the flight, as a camera follows the upper stage, an explosion is visible. Insprucker said engineers believed an automated flight termination plan was initiated, though the reason is still unclear. 

Starship had reached about 91 miles in altitude—well past the widely accepted boundary between the atmosphere and space—but was expected to fly more than halfway around the Earth before splashing down off the coast of Hawaii.

“With a test like this, success comes from what we learn, and [Saturday’s] test will help us improve Starship’s reliability as SpaceX seeks to make life multiplanetary,” the company said on Musk’s social media platform X, formerly Twitter.

Starship’s second voyage lasted twice as long as its first, and SpaceX appears to be getting close to nailing stage separation. However, both of the spacecraft’s reusable components were lost. And the behemoth of a rocket is now out of commission while the FAA investigates—again.

“A mishap occurred during the SpaceX Starship OFT-2 launch from Boca Chica, Texas, on Saturday, November 18,” the agency said in a statement. “The anomaly resulted in a loss of the vehicle. No injuries or public property damage have been reported. The FAA will oversee the SpaceX-led mishap investigation to ensure SpaceX complies with its FAA-approved mishap investigation plan and other regulatory requirements.”

A mishap investigation—which had grounded Starship since April—is standard when a launch does not go as planned. SpaceX will now need to compile a report on what went wrong, as well as actions it can take to ensure the next launch goes smoothly, both of which must be approved by the FAA.

The company will also need to apply for a second license modification in order to add more Starship launches to its manifest, which can involve coordination with other federal agencies such as NASA. 

There is no timeline for either process, but the FAA’s initial mishap investigation opened in April and was closed in September. A modified launch license followed in mid-November.

However, unlike the previous test, a water-cooled steel plate installed beneath Starbase prevented ash and debris from being flung for miles. And having been through the investigation and license evaluation process already, it’s possible SpaceX is able to get through a second round of inquiries more quickly.

Fly Me to the Moon

SpaceX’s “iterative design” or “fail fast, but learn faster” philosophy has allowed the company to make steady progress on its Starlink satellites and Crew Dragon capsules, both of which are launching routinely. It could be argued that’s been the case for Starship so far as well, given the successes the company achieved with Saturday’s launch. 

Still, SpaceX may need to pick up the pace. Musk’s ultimate goal is for Starship to eventually ferry hundreds of humans at a time to the moon, Mars, and beyond. The SpaceX CEO has claimed it will land astronauts on Mars by 2029. Those early arrivals are expected to build a base that could one day support a colony of 1 million on the “Red Planet.” But before Musk turns to other planets, there are projects on Earth riding on his company’s success.

In 2021, NASA picked SpaceX to land humans on the moon for the first time in half a century, contracting it to develop a variant of Starship capable of putting astronauts on the lunar surface. That mission, Artemis III, will be preceded by an uncrewed Starship demonstration flight to the moon and back. It will be followed by the Artemis IV mission, for which SpaceX has already been enlisted.

Simply put, NASA won’t be able to get the U.S. back in the space race without Starship. Already, agency officials are “concerned” about SpaceX’s progress, with one top manager predicting Artemis III will “probably” slide from 2025 to 2026.

Musk and Co. are left with a conundrum. To keep Artemis on schedule, SpaceX will need to conduct more Starship test flights, and fast. But moving too quickly can create outcomes such as Saturday’s, which, despite building on the first flight, caused the FAA to intervene. Then again, there’s little time to waste, and the company won’t be able to learn much about the largest rocket ever built without flying it.

As SpaceX continues to iterate on Starship, the company is also contending with a lawsuit against the FAA, which it joined as a co-defendant in May. The suit, filed by five environmental groups, alleges the regulator wasn’t thorough enough in its assessment of the rocket’s potential impacts on the surrounding wildlife.

Jared Margolis, senior attorney for the Center for Biological Diversity, a plaintiff in the case, told FLYING the lawsuit is still ongoing. Margolis criticized the FAA’s written reevaluation of Starship’s environmental impact, arguing the agency should have required more of SpaceX before green lighting both test flights. He said the center is considering adding more claims to its suit for the FAA’s failure to fully analyze the impact of April’s launch.

More recently, SpaceX has come under fire for its workplace safety culture, which a special report from Reuters earlier this month characterized as “lax.” According to the report, investigators used government records and interviews to determine there were 600 previously unreported injuries suffered on the job by SpaceX workers—including one death—since 2014. Several U.S. lawmakers have expressed concern about the report’s findings.

While the lawsuit and Reuters investigation did not impact Saturday’s launch, they present more obstacles for SpaceX to overcome before Starship flies to the moon. Another setback could have a ripple effect on America’s space exploration goals.

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The post The Implications of SpaceX’s Second Starship Test Flight appeared first on FLYING Magazine.