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Axiom Commercial Destination Module for International Space Station

Axiom Station    Development status    References

In January 2020, NASA selected Axiom Space of Houston to provide at least one habitable commercial module to be attached to the International Space Station as the agency continues to open the station for commercial use. 1)

“NASA has once again recognized the hard work, talent, and experience of Houstonians as we expand the International Space Station and promote commercial opportunities in space,” said Sen. John Cornyn of Texas. “I’m proud Axiom will continue to build upon Texas’ legacy of leading the nation in human space exploration.”

This selection is a significant step toward enabling the development of independent commercial destinations that meet NASA’s long-terms needs in low-Earth orbit, beyond the life of the space station, and continue to foster the growth of a robust low-Earth orbit economy.

"Today’s announcement is an exciting and welcome step forward in the efforts to commercialize low-Earth orbit,” said Sen. Ted Cruz of Texas. “This partnership between NASA and Axiom Space – a Houston, Texas original – illustrates how critically important the International Space Station is, and will continue to be, for developing new technologies for low-Earth orbit and beyond, and for continuing America’s leadership in space. Congratulations to Axiom Space on this exciting award – Houston is known as Space City for a reason, and I look forward to this great Space City company and NASA turning this announcement into reality."

The element will attach to the space station’s Node 2 forward port to demonstrate its ability to provide products and services and begin the transition to a sustainable low-Earth orbit economy in which NASA is one of many customers. NASA and Axiom next will begin negotiations on the terms and price of a firm-fixed-price contract with a five-year base performance period and a two-year option.

“Congratulations to Axiom Space! This is not only a win for Texas, Johnson Space Center, and the International Space Station, it is also a great step forward for NASA as we move towards an increased commercial presence in low-Earth orbit,” said Rep. Brian Babin of Texas. “I am proud to see this work coming to Space City – Houston, Texas – as the Lone Star State continues to lead in space exploration well into the future.”

Developing commercial destinations in low-Earth orbit is one of five elements of NASA’s plan to open the International Space Station to new commercial and marketing opportunities. The other elements of the five-point plan include efforts to make station and crew resources available for commercial use through a new commercial use and pricing policy; enable private astronaut missions to the station; seek out and pursue opportunities to stimulate long-term, sustainable demand for these services; and quantify NASA’s long-term demand for activities in low-Earth orbit.

“Axiom’s work to develop a commercial destination in space is a critical step for NASA to meet its long-term needs for astronaut training, scientific research, and technology demonstrations in low-Earth orbit,” said NASA Administrator Jim Bridenstine. “We are transforming the way NASA works with industry to benefit the global economy and advance space exploration. It is a similar partnership that this year will return the capability of American astronauts to launch to the space station on American rockets from American soil.”

NASA selected Axiom from proposals submitted in response to a solicitation through Appendix I of NASA’s Next Space Technologies for Exploration Partnerships (NextSTEP) 2 Broad Agency Announcement, which offered private industry use of the station utilities and a port to attach one or more commercial elements to the orbiting laboratory.

Because commercial destinations are considered a key element of a robust economy in low-Earth orbit, NASA also plans to issue a final opportunity to partner with the agency in the development of a free-flying, independent commercial destination. Through these combined efforts to develop commercial destinations, NASA is set to meet its long-term needs in low-Earth orbit well beyond the life of the station.

The agency will continue to need low-Earth orbit microgravity research and testing to enable future missions to the Moon and Mars, including the arrival of the first woman and next man on the Moon with the Artemis III mission as part of the agency’s Artemis lunar exploration plans.

On Feb. 28, 2020, NASA awarded Axiom a firm-fixed price, indefinite-delivery, indefinite-quantity contract with a maximum potential value, inclusive of options, of $140 million over an up to seven-year ordering period consisting of a five-year base period and a two-year option.

Axiom Station

The privately-owned platform that builds on the legacy and foundation of continuous human presence in Low Earth Orbit established by the ISS. The first elements of Axiom will attach to the forward node of the ISS, providing modern accommodations for more astronauts, a first-of-its-kind immersive view of our beautiful Earth, and additional research and manufacturing volume. 2)

When ISS is retired, Axiom Station will complete construction and detach to operate into the future as a free-flying complex for living and working in space – marking humankind’s next stage of LEO settlement.

Figure 1: Axiom Space Welcome (video credit: Axiom Space)


Figure 2: Rendering of what the ”Axiom Segment” might look like (image credit: Axiom Space)

The Axiom Segment will allow the company to support a wide range of commercial ventures, including space tourism, technology demonstrations, and on-orbit manufacturing. Axiom has already signed a deal with SpaceX for at least one commercial Crew Dragon flight, which will ferry one astronaut and three commercial spaceflight participants to the ISS for an eight to ten day flight sometime in 2021.


Figure 3: Different view of the Axiom station (image credit: Axiom)

Some background:

NASA announced on 27 January 2020, that Houston-based Axiom Space will win access to a docking port on the station, to which the company will install a commercial module for research and other applications. The agency said that it will begin negotiations on a formal contract with Axiom, with a five-year base period and a two-year option. 3)

Axiom was founded in 2016 by Kam Ghaffarian, who previously led space industry engineering services company Stinger Ghaffarian Technologies, and Michael Suffredini, who was program manager for the ISS at NASA for a decade prior to his retirement from the agency in 2015. The company has several former astronauts in leadership positions, including former NASA administrator Charles Bolden, listed as a “business development consultant” on the company’s website.

Axiom says it believes that experience, as well as an industry team that includes Boeing, Thales Alenia Space Italy, Intuitive Machines and Maxar Technologies, played a key role in its selection. “There is a fantastically steep learning curve to human spaceflight,” Suffredini, president and chief executive of Axiom, said in a company statement. “The collective experience at Axiom is quite far along it. Because we know firsthand what works and what doesn’t in LEO, we are innovating in terms of design, engineering and process while maintaining safety and dramatically lowering costs.”

The company has revealed few technical details about its proposed addition to the ISS, other than that the “Axiom Segment” will ultimately include a node module, research and manufacturing facility, crew habitat and “large-windowed” module for viewing the Earth. Axiom expects the first module to be launched in the second half of 2024.

NASA did not disclose in its statement why it selected Axiom for the module. The agency’s statement did feature laudatory comments from Texas’ two senators, John Cornyn and Ted Cruz, as well as Rep. Brian Babin, whose district includes Axiom’s headquarters near the Johnson Space Center.

“This partnership between NASA and Axiom Space — a Houston, Texas original — illustrates how critically important the International Space Station is, and will continue to be, for developing new technologies for low Earth orbit and beyond, and for continuing America’s leadership in space,” Cruz said in the statement.

NASA had been studying making the docking port, on the station’s Node 2 or Harmony module, available to a commercial module for several years, issuing a request for information from industry on the topic in 2016. The effort got new life last June when the agency rolled out its low Earth orbit commercialization initiative, which offered the docking port through its Next Space Technologies for Exploration Partnerships (NextSTEP) program.

“Axiom’s work to develop a commercial destination in space is a critical step for NASA to meet its long-term needs for astronaut training, scientific research, and technology demonstrations in low Earth orbit,” NASA Administrator Jim Bridenstine said in an agency statement.

That statement added that a separate effort under NextSTEP to support development of a free-flying commercial space station will go forward. NASA issued a draft solicitation for that in October, but did not set a date for when the final solicitation will be released.

That’s welcome news for another company developing commercial space stations. “Congrats to @Axiom_Space on attached to space station commercial module selection!” tweeted Jeffrey Manber, chief executive of NanoRacks, after the NASA announcement. “Eager to see NASA offering on free flyer which is overdue.”

Another company long thought to be interested in adding a commercial module to the ISS is Bigelow Aerospace, who already has a small experimental module, called BEAM, attached to the station. A company official didn’t respond to a request for comment on Bigelow’s plans in the wake of the NASA award to Axiom.

Development status

• February 16, 2021: Axiom Space announced Feb. 16 it has raised $130 million from a group of investors, allowing the company to push ahead with its long-term ambitions of establishing a private space station. 4)

- The Series B round was led by C5 Capital, a firm that invests in cybersecurity and “closely aligned” sectors, including space. Others participating in the round include TQS Advisors, Declaration Partners, Moelis Dynasty Investments, Washington University in St. Louis, The Venture Collective, Aidenlair Capital, Hemisphere Ventures and Starbridge Venture Capital.

- The funding will allow the company to expand, including doubling its current workforce of about 110 people this year, Michael Suffredini, president and chief executive of Axiom, said in an interview. It will also support quarterly payments to Thales Alenia Space, which is building the pressurized elements of the first modules. The company recently moved into a two-story building in Houston and is buying a new test facility, with plans to establish a campus at Spaceport Houston, also known as Ellington Airport.

- “This is a really the major step for us,” he said. “The B round is typically where you get your first large investment, but more importantly than the money is the community of investors that you put together, so that future rounds are largely from those investors.” That group of investors, he said, was “a perfect fit for us and puts us in a good position, however we want to go forward.”


Figure 4: Axiom Space says the funding round will allow it to continue work on adding commercial modules to the International Space Station starting in 2024, eventually serving as the core of a private space station (image credit: Axiom Space)

- As part of the deal, Rob Meyerson, an operating partner at C5 and former longtime president of Blue Origin, will join Axiom’s board. “Axiom Space is a force in the space sector, and it will become a centerpiece of the C5 Capital portfolio and enhance our vision for a secure global future,” Meyerson said in a statement about the investment round.

- “It’s fantastic that Rob Meyerson is part of C5,” Suffredini said. “He’s got this huge amount of experience. We’re excited to have him on the board.”

- While the funding round advances Axiom’s plans to place a series of commercial modules on the International Space Station starting in 2024, which will ultimately form the core of a standalone commercial station, Suffredini acknowledged the company will need to raise more money.

- “It’s probably between half a billion and a billion dollars that ultimately we’ll raise to build our space station,” he said. That project will have an overall cost of about $3 billion, but most of that will come from revenue from operations.

- The next funding round will come as soon as this fall, he said. That could be another private round or by going public. If the latter, that would likely be done through a merger with a special-purpose acquisition company (SPAC), an approach used by a growing number of space companies, including Virgin Galactic and Astra.

- The demand for those commercial modules and, eventually, standalone space station will change over time. Initially, demand will come in large part from flying private and professional astronauts, with research playing a smaller role. “I think the future is manufacturing in space,” Suffredini said. “About 15 years from now, that’s going to eclipse all the other markets by far.”

- The statement about the funding round hinted at other applications of the modules. “Axiom Station will play an important role in future missions critical to preserving our national security and fighting climate change,” said Mike Mullen, a retired admiral and former chairman of the Joint Chiefs of Staff who is now a partner at C5 Capital.

- Suffredini confirmed that national security applications could be a future market for Axiom’s station. “It’s our belief that humans in space and support of that is going to be necessary” for the new U.S. Space Force, he said, although the Space Force has not announced any plans to deploy personnel in space for the foreseeable future.

- The Axiom facility, he said, could host payloads for Earth observation and monitoring climate change. The ISS currently is used for some Earth science experiments.

- Axiom’s near-term plans involve flying people to the ISS on commercial crew spacecraft, starting with the Ax-1 mission in early 2022, whose crew the company announced Jan. 26. Preparations for that mission are going well, Suffredini said, although training won’t begin in earnest for a few months.

- “We have quite a few in the hopper,” Suffredini said of future missions. Axiom has signed one customer for its second flight and working on signing the other two, and has identified the commander for that mission. A third mission is fully booked, while at least one customer is in the process of signing up for a fourth mission.

- Axiom has about a dozen prospective customers that it’s in discussions with. “Out of a dozen maybe three will ultimately fly, maybe four,” he said. “It just takes time. In a lot of cases they just have to think about it a lot. It’s a big thing to fly to space.”

- Those missions would fly through 2023 at about two per year, pending approvals from NASA. “We have to come in and make our case for our flights,” he said. “The most important thing is to get your customers signed.”

• January 26, 2021: Axiom Space on Tuesday announced its crew for humankind’s first flight of a group of private individuals to a Low Earth Orbit destination – the first-ever entirely private mission proposed to fly to the International Space Station (ISS). 5)


Figure 5: The proposed historic Axiom Mission 1 (Ax-1) will include (from left): former NASA astronaut and Axiom vice president Michael López-Alegría as commander; American entrepreneur and non-profit activist investor Larry Connor as pilot; Canadian investor and philanthropist Mark Pathy; and impact investor and philanthropist Eytan Stibbe of Israel (image credit: Axiom)

- López-Alegría, who flew to space four times over a 20-year, record-setting career at NASA and last visited the ISS in 2007, will become the first person to ever command both a civil and a commercial human spaceflight mission. Connor will be the first private mission pilot in the annals of spaceflight.

- Pathy will be Canada’s 11th astronaut. Stibbe, a close personal friend of Columbia astronaut Ilan Ramon and a former Israeli Air Force pilot, will be Israel’s second. Both will fly as mission specialists.

- “This collection of pioneers – the first space crew of its kind – represents a defining moment in humanity’s eternal pursuit of exploration and progress,” López-Alegría said. “I know from firsthand experience that what humans encounter in space is profound and propels them to make more meaningful contributions on returning to Earth. And as much as any astronaut who has come before them, the members of this crew have accomplished the sorts of things in life that equip them to accept that responsibility, act on that revelation, and make a truly global impact.

- “I look forward to leading this crew and to their next meaningful and productive contributions to the human story, both on orbit and back home.”

- Former NASA astronaut Peggy Whitson will serve as Ax-1’s backup commander, while John Shoffner of Knoxville, Tenn. is the backup mission pilot. Carrying a time-honored approach over from the civil spaceflight era to the private one, the prime and backup crews are slated to go through Axiom’s full training program together.


Figure 6: Illustration of the Axiom station in 2021 (image credit: Axiom)

• October 23, 2020: Axiom Space hopes to soon finalize its first commercial mission to the International Space Station, scheduled for late 2021, as it continues development of a commercial module for the station. 6)

- During a panel discussion at the International Astronautical Congress (IAC) Oct. 13, Michael Suffredini, president and chief executive of Axiom Space, said his company had lined up the customers for that first mission, a 10-day flight to the space station on a SpaceX Crew Dragon spacecraft scheduled for the fourth quarter of 2021.

- “We have all of our customers identified and we’re about to finish their contracting,” he said. The company previously announced a contract with SpaceX for the flight and is “just about done” with a NASA contract for the mission.

- “We’re cautiously optimistic that, by the end of October, we will have everything in place to move forward for a launch in the fourth quarter of 2021,” he said.

- That mission is expected to feature three customers along with one Axiom astronaut, Michael Lopez-Alegria, a former NASA astronaut. Axiom has not disclosed who those customers are, although there has been widespread speculation that they will include the actor Tom Cruise. NASA previously confirmed it has been in discussions with Cruise about shooting a movie on the station.

- Axiom Space is using missions like this as precursors to the series of commercial modules that it is building for the station, after winning a NASA competition to access a docking port there in January. Those modules will form the core of a commercial space station that will detach from the ISS when it reaches the end of its life, currently projected to be 2028 to 2030.


Figure 7: Axiom Space expects to finalize in the next few weeks its first commercial mission to the ISS, on a SpaceX Crew Dragon spacecraft in late 2021 (image credit: NASA)

- Axiom announced Oct. 22 that it had completed a system requirements review for that initial module, allowing the company to proceed into its preliminary design phase. Axiom plans to launch that module in 2024.

- “We think it’s very important to begin attached to the International Space Station,” Suffredini said, in order to help users make the transition from the ISS to a commercial facility. “We believe building a platform attached to ISS, so that the users of the International Space Station, commercial and government, have a place to evolve to, is critically important to the success of growing an economy in low Earth orbit.”

• August 27, 2020: While NASA seeks to eventually transition from the International Space Station to commercial stations in low Earth orbit, the agency is putting on hold a solicitation to support development of such a free-flying platform. 7)

- One element of NASA’s LEO commercialization strategy, announced in June 2019, was to fund development of commercial platforms, including both modules attached to the ISS as well as commercial stations. Through NASA’s Next Space Technologies for Exploration Partnership (NextSTEP) program, it solicited proposals for a commercial module attached to the ISS, selecting Axiom Space in January.


Figure 8: NASA says that while its long-term goal remains to support the development of commercial space stations that can eventually succeed the ISS, it's putting one solicitation to support their development on hold for now (image credit: Axiom Space)

- NASA had also planned to use the NextSTEP program for a separate solicitation, known as Appendix K, to support development of a standalone, or free-flyer, commercial station. However, after issuing a draft solicitation last October and holding an industry day in November, the agency did not issue a final solicitation.

- At a session of the ISS Research and Development Conference held online Aug. 27, agency officials confirmed they don’t plan to pursue the free-flyer solicitation for the time being. “We are reevaluating how we want to do that solicitation,” said Angela Hart, LEO commercialization manager at NASA. “At this time we will not be moving forward with Appendix K.”

- She did not elaborate on the specific issues with the solicitation that led to that decision, but emphasized that the agency is still interested in supporting development of commercial space stations. “It’s still a very important part of that overall strategy, so we will be doing that in the future,” she said.

- “We definitely want to do a free-flyer acquisition,” said Phil McAlister, director of commercial spaceflight programs at NASA, in the same panel. “I can’t promise any specific timelines associated with that, but we are definitely working on the free flyer and intend to release a solicitation soon on that once we get our strategy all agreed to internally.”

- Development of commercial space stations is part of NASA’s long-term effort to gradually transition from the ISS to commercial platforms. “At some point in the future, we are going to incrementally phase down ISS operations,” he said, noting there was no specific date for ending the ISS. “Right now, we don’t have any commercial destinations in space, so we’re going to be, for the next several years, working on developing those systems.”

- The goal, he said, was to have more than one commercial station in orbit that NASA can use as one of many government and private customers. “We want to use competition,” he said. “We do want to have more than one platform when we get there.”

- One near-term challenge to that is funding. NASA requested $150 million for its LEO commercialization efforts in its fiscal year 2020 budget proposal, but only received $15 million. NASA again requested $150 million for the program in its fiscal year 2021 request. The House allocated only $15 million for it in its version of a spending bill, while the Senate has yet to take action on its version.

- “This year we only got $15 million. That doesn’t enable a whole lot of spacecraft development,” McAlister said. “We need to do a better job there telling our story.”

- He added that, in the longer term, he hopes to help support development of commercial facilities through lower transportation costs. “Every study has identified high transportation costs as a drag, an impediment, to commercial operations,” he said. NASA will recompete its existing commercial crew and cargo contracts around middle of the decade, “I am going to really push hard for us to reduce those transportation costs. That’s going to be a real goal for NASA.”

- Another nearer-term opportunity to support LEO commercialization is through what NASA calls “private astronaut missions,” or commercial crew missions dedicated to carrying private customers rather than NASA astronauts. NASA’s LEO commercialization strategy calls for allowing up to two such missions a year, for up to 30 days at a time.

- Hart said NASA has received a number of proposals from industry for such missions, which will be reviewed by a new panel her office will set up. That includes two “mission-specific proposals” currently being considered. She declined to discuss details about those proposed private missions, citing “proprietary considerations” involving them.

- One possible customer for one of those private astronaut missions is the actor Tom Cruise, who is seeking to film a movie on the ISS. NASA Administrator Jim Bridenstine tweeted in May that NASA “is excited to work with Tom Cruise on a film aboard the space station,” but did not disclose additional details.

- Bridenstine, in recorded remarks at the conference, alluded to that effort although did not mention Cruise by name. “Right now we’re looking at how do we take astronauts that might be interested in maybe making a movie,” he said of ISS commercialization activities. “If a famous actor wants to make a movie, we support that.”

• June 24, 2020: Thales Alenia Space, Joint Venture between Thales (67 %) and Leonardo (33 %) of Turin, Italy, announced the signature of an ATP (Authorization To Proceed) with Axiom Space of Houston, Texas to initiate the development of two key pressurized elements dedicated to the world’s first commercial space station. 8)

- In January, NASA selected Axiom’s proposal to attach its space station modules to the International Space Station (ISS) starting from the second half of 2024, ultimately creating a new ‘Axiom Segment’ which will expand the usable and habitable volume of the ISS. When the ISS reaches its retirement date, the Axiom complex will detach and operate as a free-flying commercial space station. The Axiom Segment will be attached to the ISS Node 2 built by Thales Alenia Space.


Figure 9: Illustration of the AXIOM modules attached to the ISS (image credit: Axiom)

- Axiom is offering professional and private astronaut flights to the ISS at a rate of up to two per year, with the first set to launch in October 2021, while it develops the new station elements.

- Based on its past successful experience building modules for the International Space Station, Thales Alenia Space will be responsible for the design, development, assembly and test of the primary structure and the Micrometeoroid & Debris Protection System for the Axiom Node One (AxN1) and Habitation Module (AxH), the first two Axiom station elements to fly. Axiom will receive these elements at their facility in Houston for integration and outfitting of core systems and certification of flight prior to shipping to the launch facility.

• March 5, 2020: Axiom has signed a contract with SpaceX for a Crew Dragon flight which will transport a commander professionally trained by Axiom alongside three private astronauts to and from the International Space Station. The mission, set to launch as soon as the second half of 2021, will allow the crew to live aboard the ISS and experience at least eight days of microgravity and views of Earth that can only be fully appreciated in the large, venerable station. 9)

- “This history-making flight will represent a watershed moment in the march toward universal and routine access to space,” Axiom CEO Michael Suffredini said. “This will be just the first of many missions to ISS to be completely crewed and managed by Axiom Space – a first for a commercial entity. Procuring the transportation marks significant progress toward that goal, and we’re glad to be working with SpaceX in this effort.”

- This is the first of Axiom’s proposed “precursor missions” to the ISS envisioned under its Space Act Agreement (SAA) with NASA. Discussions with NASA are underway to establish additional enabling agreements for the private astronaut missions to the ISS.

- Axiom plans to offer professional and private astronaut flights to the ISS at a rate of up to two per year to align with flight opportunities as they are made available by NASA, while simultaneously constructing its own privately funded space station.

- “Since 2012, SpaceX has been delivering cargo to the International Space Station in partnership with NASA and later this year, we will fly NASA astronauts for the first time,” said SpaceX President and Chief Operating Officer Gwynne Shotwell. “Now, thanks to Axiom and their support from NASA, privately crewed missions will have unprecedented access to the space station, furthering the commercialization of space and helping usher in a new era of human exploration.”

- With its team’s vast experience in human spaceflight, Axiom serves as a one-stop shop overseeing all elements of its missions. In addition to contracting with SpaceX for a Crew Dragon vehicle to transport its crew to the ISS, Axiom’s turnkey service for the mission – two days in transit and at least eight days aboard the ISS – includes training, mission planning, hardware development, life support, medical support, crew provisions, hardware and safety certifications, on-orbit operations and overall mission management.

- NASA recently selected Axiom’s proposal to attach its space station modules to the ISS beginning in the second half of 2024, ultimately creating a new ‘Axiom Segment’ which will expand the station’s usable and habitable volume. When the ISS reaches its retirement date, the Axiom complex will detach and operate as a free-flying commercial space station.

- By serving the market for immediate access to space while building the future platform for a global user base, Axiom is leading the development and settlement of low Earth orbit now and into the future.

About Axiom Space

- Axiom Space was founded in 2016 with the aim of creating humanity’s home in space to ensure a prosperous future for everyone, everywhere. While building and launching the Axiom Segment of the International Space Station to one day form the world’s first commercial space station, Axiom provides access to the ISS today by conducting crewed missions for professional and private astronauts. More information about Axiom can be found at

Axiom is led by co-founder and President/CEO Michael Suffredini, who served as NASA’s International Space Station Program Manager from 2005 to 2015 and oversaw the Station’s transition from assembly to operation and commercial utilization. Co-founder and Executive Chairman Dr. Kam Ghaffarian founded Stinger Ghaffarian Technologies, which rose to become NASA’s second-largest engineering services contractor and the entity which trains NASA’s astronauts and operates the ISS.

The leadership team also includes world-class, specialized expertise in commercial utilization of microgravity, on-orbit operations, astronaut training, space financing, engineering, space system architecture/design/development, space medicine, marketing, and law.

While making access to Low Earth Orbit global during the remainder of ISS’ lifetime, Axiom is constructing the future platform that will serve as humanity’s permanently growing home, scientific and industrial complex in Low Earth Orbit (LEO) – the cornerstone of human activity in space. It is where all spacefaring countries’ astronauts will go, researchers will advance their science, manufacturers will innovate novel products, space exploration organizations will test their personnel and systems, and where tourists and advertisers will expand their philanthropic and consumer activities.

1) Stephanie Schierholz, Matthew Rydin, Gary Jordan, ”NASA Selects First Commercial Destination Module for International Space Station,” NASA Press Release 20-007, 27 January 2020, URL:

2) ”Axiom Station,” Axiom Space, 23 June 2020, URL:

3) Jeff Foust, ”NASA selects Axiom Space to build commercial space station module,” Space News, 28 January 2020, URL:

4) Jeff Foust, ”Axiom Space raises $130 million,” SpaceNews, 16 February 2021, URL:

5) ”Axiom Space reveals historic first private crew to visit International Space Station,” Axiom Crew Press Release, 26 January 2021, URL:

6) Jeff Foust, ”Axiom Space finalizing first commercial ISS mission,” SpaceNews, 23 October 2020, URL:

7) Jeff Foust, ”NASA puts solicitation for commercial free-flyer station on hold,” SpaceNews, 27 August 2020, URL:

8) ”Thales Alenia Space will provide two key pressurized elements for Axiom Commercial Space Station,” Thales Group, 24 June 2020, URL:

9) ”Axiom Space plans first-ever fully private human spaceflight mission to International Space Station,” Axiom Space News, 5 March 2020, URL:

The information compiled and edited in this article was provided by Herbert J. Kramer from his documentation of: ”Observation of the Earth and Its Environment: Survey of Missions and Sensors” (Springer Verlag) as well as many other sources after the publication of the 4th edition in 2002. - Comments and corrections to this article are always welcome for further updates (

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