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By NASA
On May 22, 2025, NASA hosted an Expedition 72 crew debrief and awards ceremony at Space Center Houston, where more than 1,000 attendees gathered to celebrate. The event recognized the achievements of the crew as well as NASA employees and partners whose dedication and support contributed to the expedition’s success. Crew members from Expedition 72 shared reflections and anecdotes from their time on the International Space Station and expressed gratitude for the opportunity to contribute to scientific research aboard the orbiting laboratory.
A group photo of participants from the Expedition 72 crew debrief and awards ceremony on May 22, 2025, at Space Center Houston’s IMAX theater. NASA/James Blair The event included four NASA astronauts:
Nick Hague, Crew-9 commander and Expedition 72 flight engineer Butch Wilmore, Boeing Starliner commander and Expedition 72 flight engineer Suni Williams, Boeing Starliner pilot and Expedition 72 commander Don Pettit, Soyuz MS-26 and Expedition 72 flight engineer The Expedition 72 crew also included Roscosmos cosmonauts Aleksandr Gorbunov, Aleksey Ovchinin, and Ivan Vagner, who were not in attendance. The cosmonauts served as Crew-9 mission specialist, Soyuz-MS commander, and Soyuz-MS flight engineer, respectively.
NASA astronaut Matt Dominick kicked off the event by striking the ceremonial bell, a tradition symbolizing the end of the mission for the crew and those that support them.
Johnson Space Center Acting Director Stephen Koerner recognized the crew’s commitment to the mission and their role in the advancement of human spaceflight. “These brave men and women make the tough yet rewarding choice to embark on long-duration missions away from their family and friends,” he said. “They do this to conduct groundbreaking research and inspire generations. Spaceflight is hard, but through togetherness we make giant leaps, going further than ever before.”
NASA astronauts (from left) Don Pettit and Butch Wilmore, Expedition 72 flight engineers, pack external research hardware which housed a variety of samples exposed to the vacuum of space such as polymers, photovoltaic devices, and more. The samples were returned to Earth to be examined to understand how space radiation, the extreme thermal environment, micrometeoroids, and more affect materials possibly benefitting the space industry. NASA NASA astronauts Nick Hague and Suni Williams, Expedition 72 Flight Engineer and Commander respectively, discuss orbital lab maintenance procedures aboard the International Space Station.NASA The Expedition 72 crew dedicated more than 1,000 combined hours to scientific research and technology demonstrations aboard the International Space Station. Their work included enhancing metal 3D printing capabilities in orbit, exploring the potential of stem cell technology for treating diseases, preparing the first wooden satellite for deployment, and collecting samples from the station’s exterior to examine whether microorganisms can survive in the harsh environment of space. They also conducted studies on plant growth and quality, investigated how fire behaves in microgravity, and advanced life support systems, all aimed at improving the health, safety, and sustainability of future space missions.
Pettit also used his spare time and surroundings aboard the station to conduct unique experiments and captivate the public with his photography. Expedition 72 captured a record 1 million photos during the mission, showcasing the unique research and views aboard the orbiting laboratory through astronauts’ eyes.
The expedition was a historic venture, with Williams and Wilmore launching aboard Boeing’s Starliner spacecraft as part of NASA’s Boeing Crew Flight Test before being integrated with the Expedition 71/72 crew and returning on NASA’s SpaceX Crew-9. While working aboard the orbiting laboratory, Williams established a new record for the most cumulative spacewalking time by a woman — 62 hours and 6 minutes — placing her fourth among the most experienced spacewalkers in history. Additionally, Expedition 72 saw the first reboost of the International Space Station by a Dragon spacecraft.
The crew participated in a panel discussion, sharing further details about the expedition including experiments conducted, favorite foods, and experiencing the Aurora Borealis. The conversation closed with a special patch presentation from Wilmore to Williams to highlight her achievement of exceeding Mach 25 in the Boeing Starliner spacecraft.
Following the panel, an award ceremony recognized team members for their efforts in supporting the mission, with recipients including the crew, NASA employees, and commercial partners.
The Expedition 72 crew poses for a portrait inside the International Space Station’s Harmony module with a cake commemorating a total of 3,000 cumulative days in space gained between the individual crew members. Front row (from left): Roscosmos cosmonaut Ivan Vagner, NASA astronaut Nick Hague, and Roscosmos cosmonaut Aleksandr Gorbunov. Back row (from left): NASA astronauts Butch Wilmore and Don Pettit, Roscosmos cosmonaut Alexey Ovchinin, and NASA astronaut Suni Williams.NASA Flight Operations Directorate Acting Director Kjell Lindgren discussed the impact of collaboration with commercial and international partners. “Your collaboration is vital not just to mission success but to the very identity of this program,” he said. “Together, we can demonstrate what global collaboration can achieve in pursuit of excellence and exploration.”
Watch below to recap the Expedition 72 crew members’ journey aboard the International Space Station and to celebrate those who helped make the mission a success.
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By NASA
NASA astronauts Butch Wilmore, Suni Williams, Nick Hague, and Don Pettit show off their ‘Proud to be American’ socks in a photo taken aboard the International Space Station. Photo Credit: NASA Four NASA astronauts will participate in a welcome home ceremony at Space Center Houston after recently returning from missions aboard the International Space Station.
NASA astronauts Nick Hague, Suni Williams, Butch Wilmore, and Don Pettit will share highlights from their missions at 6 p.m. CDT Thursday, May 22, during a free, public event at NASA Johnson Space Center’s visitor center. The astronauts also will recognize key mission contributors during an awards ceremony after their presentation.
Williams and Wilmore launched aboard Boeing’s Starliner spacecraft and United Launch Alliance Atlas V rocket on June 5, 2024, from Space Launch Complex 41 as part of NASA’s Boeing Crew Flight Test. The duo arrived at the space station on June 6. In August, NASA announced the uncrewed return of Starliner to Earth and integrated Wilmore and Williams with the Expedition 71/72 crew and a return on Crew-9.
Hague launched Sept. 28, 2024, with Roscosmos cosmonaut Aleksandr Gorbunov aboard a SpaceX Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida as part of NASA’s SpaceX Crew-9 mission. The next day, they docked to the forward-facing port of the station’s Harmony module.
Hague, Gorbunov, Wilmore, and Williams returned to Earth on March 18, 2025, splashing down safely off the coast of Tallahassee, Florida, in the Gulf of America.
Williams and Wilmore traveled 121,347,491 miles during their mission, spent 286 days in space, and completed 4,576 orbits around Earth. Hague and Gorbunov traveled 72,553,920 miles during their mission, spent 171 days in space, and completed 2,736 orbits around Earth. Hague has logged 374 days in space during two missions. It was the third spaceflight for both Williams and Wilmore. Williams has logged 608 total days in space, and Wilmore has logged 464 days.
Pettit launched aboard the Soyuz MS-26 spacecraft on Sept. 11, 2024, alongside Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner. The seven-month research mission as an Expedition 72 flight engineer was the fourth spaceflight of Pettit’s career, completing 3,520 orbits of the Earth and a journey of 93.3 million miles. He has logged a total of 590 days in orbit. Pettit and his crewmembers safely landed in Kazakhstan on April 19, 2025 (April 20, 2025, Kazakhstan time).
The Expedition 72 crew dedicated more than 1,000 combined hours to scientific research and technology demonstrations aboard the International Space Station. Their work included enhancing metal 3D printing capabilities in orbit, exploring the potential of stem cell technology for treating diseases, preparing the first wooden satellite for deployment, and collecting samples from the station’s exterior to examine whether microorganisms can survive in the harsh environment of space. They also conducted studies on plant growth and quality, investigated how fire behaves in microgravity, and advanced life support systems, all aimed at improving the health, safety, and sustainability of future space missions. Pettit also used his spare time and surroundings aboard station to conduct unique experiments and captivate the public with his photography. Expedition 72 captured a record one million photos during the mission, showcasing the unique research and views aboard the orbiting laboratory through astronauts’ eyes.
For more than 24 years, people have lived and worked continuously aboard the International Space Station, advancing scientific knowledge, and conducting critical research for the benefit of humanity and our home planet. Space station research supports the future of human spaceflight as NASA looks toward deep space missions to the Moon under the Artemis campaign and in preparation for future human missions to Mars, as well as expanding commercial opportunities in low Earth orbit and beyond.
Learn more about the International Space Station at:
https://www.nasa.gov/station
-end-
Jaden Jennings
Johnson Space Center, Houston
713-281-0984
jaden.r.jennings@nasa.gov
Dana Davis
Johnson Space Center, Houston
281-244-0933
dana.l.davis@nasa.gov
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Portrait of David Mitchell, Thursday, Jan. 27, 2022, NASA Headquarters Mary W. Jackson building in Washington.NASA/Bill Ingalls David Mitchell, the Associate Administrator for MSD.
Have you ever wondered how NASA manages to achieve all the incredible missions it does, like probing the Sun and studying the history of our Universe? We do it through teamwork, one of our core values. And an essential part of NASA’s team is what we call Mission Support. Mission Support makes sure NASA’s missions, centers, and programs have the capabilities and services they need to explore the unknown, innovate for the future, and inspire the world.
To illustrate Mission Support at NASA, look at the example of the Roman Space Telescope. It’s not just scientists and engineers who are making the telescope happen. The program works with NASA’s financial office to plan the budget for the telescope. Engineers design the telescope with tools developed in coordination with NASA’s shared services and information technology offices. NASA’s engineering authority checks the design, and international relations manages NASA’s collaborations with other countries on the telescope. All of this is Mission Support.
Of course, there is much more to Mission Support, but I think you get the picture. MSD enables Mission Support by:
Planning and executing the Mission Support budgets for safety, security, and mission services as well as construction and environmental management. Executing strategy and governance to ensure Mission Support is financially sound, aligned with the agency’s goals, and serving NASA’s missions. Addressing Mission Support’s financial, operational, legal, and reputational risks to ensure resilience and mission success. Working with mission directorates and centers to ensure NASA is prioritizing the Mission Support services they need most urgently to be successful. Integrating Mission Support services across the agency to maximize efficiency and effectiveness. Current and future missions require significant support to be successful. MSD is working today to ensure Mission Support is there for NASA to explore the unknown, innovate for the future, and inspire the world.
To learn more, visit MSD Organization.
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By NASA
NASA astronauts (left to right) Christina Koch, Victor Glover, Reid Wiseman, Canadian Space Agency Astronaut Jeremy Hansen. Credit: NASA/Josh Valcarcel The Artemis II test flight will be NASA’s first mission with crew under Artemis. Astronauts on their first flight aboard NASA’s Orion spacecraft will confirm all of the spacecraft’s systems operate as designed with crew aboard in the actual environment of deep space. Through the Artemis campaign, NASA will send astronauts to explore the Moon for scientific discovery, economic benefits, and to build the foundation for the first crewed missions to Mars – for the benefit of all.
The unique Artemis II mission profile will build upon the uncrewed Artemis I flight test by demonstrating a broad range of SLS (Space Launch System) and Orion capabilities needed on deep space missions. This mission will prove Orion’s critical life support systems are ready to sustain our astronauts on longer duration missions ahead and allow the crew to practice operations essential to the success of Artemis III and beyond.
Leaving Earth
The mission will launch a crew of four astronauts from NASA’s Kennedy Space Center in Florida on a Block 1 configuration of the SLS rocket. Orion will perform multiple maneuvers to raise its orbit around Earth and eventually place the crew on a lunar free return trajectory in which Earth’s gravity will naturally pull Orion back home after flying by the Moon. The Artemis II astronauts are NASA’s Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen.
The initial launch will be similar to Artemis I as SLS lofts Orion into space, and then jettisons the boosters, service module panels, and launch abort system, before the core stage engines shut down and the core stage separates from the upper stage and the spacecraft. With crew aboard this mission, Orion and the upper stage, called the interim cryogenic propulsion stage (ICPS), will then orbit Earth twice to ensure Orion’s systems are working as expected while still close to home. The spacecraft will first reach an initial orbit, flying in the shape of an ellipse, at an altitude of about 115 by 1,400 miles. The orbit will last a little over 90 minutes and will include the first firing of the ICPS to maintain Orion’s path. After the first orbit, the ICPS will raise Orion to a high-Earth orbit. This maneuver will enable the spacecraft to build up enough speed for the eventual push toward the Moon. The second, larger orbit will take approximately 23.5 hours with Orion flying in an ellipse between about 115 and 46,000 miles above Earth. For perspective, the International Space Station flies a nearly circular Earth orbit about 250 miles above our planet.
After the burn to enter high-Earth orbit, Orion will separate from the upper stage. The expended stage will have one final use before it is disposed through Earth’s atmosphere—the crew will use it as a target for a proximity operations demonstration. During the demonstration, mission controllers at NASA’s Johnson Space Center in Houston will monitor Orion as the astronauts transition the spacecraft to manual mode and pilot Orion’s flight path and orientation. The crew will use Orion’s onboard cameras and the view from the spacecraft’s windows to line up with the ICPS as they approach and back away from the stage to assess Orion’s handling qualities and related hardware and software. This demonstration will provide performance data and operational experience that cannot be readily gained on the ground in preparation for critical rendezvous, proximity operations and docking, as well as undocking operations in lunar orbit beginning on Artemis III.
Checking Critical Systems
Following the proximity operations demonstration, the crew will turn control of Orion back to mission controllers at Johnson and spend the remainder of the orbit verifying spacecraft system performance in the space environment. They will remove the Orion Crew Survival System suit they wear for launch and spend the remainder of the in-space mission in plain clothes, until they don their suits again to prepare for reentry into Earth’s atmosphere and recovery from the ocean.
While still close to Earth, the crew will assess the performance of the life support systems necessary to generate breathable air and remove the carbon dioxide and water vapor produced when the astronauts breathe, talk, or exercise. The long orbital period around Earth provides an opportunity to test the systems during exercise periods, where the crew’s metabolic rate is the highest, and a sleep period, where the crew’s metabolic rate is the lowest. A change between the suit mode and cabin mode in the life support system, as well as performance of the system during exercise and sleep periods, will confirm the full range of life support system capabilities and ensure readiness for the lunar flyby portion of the mission.
Orion will also checkout the communication and navigation systems to confirm they are ready for the trip to the Moon. While still in the elliptical orbit around Earth, Orion will briefly fly beyond the range of GPS satellites and the Tracking and Data Relay Satellites of NASA’s Space Network to allow an early checkout of agency’s Deep Space Network communication and navigation capabilities. When Orion travels out to and around the Moon, mission control will depend on the Deep Space Network to communicate with the astronauts, send imagery to Earth, and command the spacecraft.
After completing checkout procedures, Orion will perform the next propulsion move, called the translunar injection (TLI) burn. With the ICPS having done most of the work to put Orion into a high-Earth orbit, the service module will provide the last push needed to put Orion on a path toward the Moon. The TLI burn will send crew on an outbound trip of about four days and around the backside of the Moon where they will ultimately create a figure eight extending over 230,000 miles from Earth before Orion returns home.
To the Moon and “Free” Ride Home
On the remainder of the trip, astronauts will continue to evaluate the spacecraft’s systems, including demonstrating Earth departure and return operations, practicing emergency procedures, and testing the radiation shelter, among other activities.
The Artemis II crew will travel approximately 4,600 miles beyond the far side of the Moon. From this vantage point, they will be able to see the Earth and the Moon from Orion’s windows, with the Moon close in the foreground and the Earth nearly a quarter-million miles in the background.
With a return trip of about four days, the mission is expected to last about 10 days. Instead of requiring propulsion on the return, this fuel-efficient trajectory harnesses the Earth-Moon gravity field, ensuring that—after its trip around the far side of the Moon—Orion will be pulled back naturally by Earth’s gravity for the free return portion of the mission.
Two Missions, Two Different Trajectories
Following Artemis II, Orion and its crew will once again travel to the Moon, this time to make history when the next astronauts walk on the lunar surface. Beginning with Artemis III, missions will focus on establishing surface capabilities and building Gateway in orbit around the Moon.
Through Artemis, NASA will explore more of the Moon than ever before and create an enduring presence in deep space.
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By NASA
After months of groundbreaking research, exploration, and teamwork aboard the International Space Station, NASA’s SpaceX Crew-9 has returned to Earth.
NASA astronauts Nick Hague, Suni Williams, and Butch Wilmore, as well as Roscosmos cosmonaut Aleksandr Gorbunov, splashed down safely on March 18, 2025, as a pod of dolphins circled the Dragon spacecraft near Tallahassee, Florida.
NASA astronauts Nick Hague, Suni Williams, Butch Wilmore, and Roscosmos cosmonaut Aleksandr Gorbunov aboard the SpaceX Dragon spacecraft in the water off the coast of Tallahassee, Florida, March 18, 2025.NASA/Keegan Barber Williams and Wilmore made history as the first humans to fly aboard Boeing’s Starliner spacecraft during NASA’s Boeing Crew Flight Test (CFT). Launched June 5, 2024, aboard a United Launch Alliance Atlas V rocket from Cape Canaveral Space Force Station, the CFT mission was Boeing’s first crewed flight.
Hague and Gorbunov launched to the space station on Sept. 28, 2024, aboard a SpaceX Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida.
NASA’s SpaceX Crew-9 members pose together for a portrait inside the International Space Station’s Unity module. From left, are NASA astronaut Suni Williams, Roscosmos cosmonaut Aleksandr Gorbunov, and NASA astronauts Nick Hague and Butch Wilmore.NASA During their long-duration mission, the American crew members conducted more than 150 unique experiments and logged over 900 hours of research aboard the orbiting laboratory.
Their work included studying plant growth and development, testing stem cell technology for patient care on Earth, and examining how spaceflight affects materials—insights vital for future deep space missions.
The crew kicked off 2025 with two spacewalks that included removing an antenna assembly from the station’s truss, collecting microbial samples from the orbital outpost’s exterior for analysis by Johnson’s Astromaterials Research and Exploration Science division, installing patches to cover damaged areas of light filters on an X-ray telescope, and more.
Williams now holds the record for the most cumulative spacewalking time by a woman — 62 hours and 6 minutes — placing her fourth among the most experienced spacewalkers in history.
While in orbit, the crew also engaged the next generation through 30 ham radio events with students around the world and supported a student-led genetic experiment.
As part of the CFT, Williams and Wilmore commanded Starliner during in-flight testing and were the first to see the spacecraft integrated in simulations and operate it hands-on in space, evaluating systems like maneuvering, docking, and emergency protocols.
“We’ve learned a lot about systems integrated testing that will pay benefits going forward and lay the groundwork for future missions,” said Wilmore.
Suni Williams and Butch Wilmore participate in an emergency operations simulation in the Boeing Starliner simulator at Johnson Space Center in Houston.NASA/Robert Markowitz Following the test flight, NASA and Boeing are continuing work toward crew certification of the company’s CST-100 Starliner system. Joint teams are addressing in-flight anomalies and preparing for propulsion system testing ahead of the next mission.
Despite the unexpected challenges, including technical issues with the Starliner spacecraft that extended their mission, both Wilmore and Williams said they would do it all over again. Wilmore emphasized his gratitude in being part of testing Starliner’s capabilities, stating, “I’d get on it in a heartbeat.”
After returning to Earth, the crew received a warm welcome from family, colleagues, and fellow astronauts at Johnson Space Center’s Ellington Field. They were greeted by Johnson Acting Director Steve Koerner, who applauded their dedication and resilience.
Suni Williams is greeted by Johnson Acting Director Steve Koerner at Ellington Field in Houston after completing a long-duration science mission aboard the International Space Station.NASA/Robert Markowitz Williams shared a heartfelt embrace with astronaut Zena Cardman, thanking her for “taking one for the team.” Cardman had originally been assigned to Crew-9, but in August, NASA announced the uncrewed return of Starliner to Earth and integrated Wilmore and Williams into Expedition 71/72 for a return on Crew-9. This adjustment meant Cardman and astronaut Stephanie Wilson would no longer fly the mission—a decision that underscored the flexibility and teamwork essential to human spaceflight.
Cardman is now assigned as commander of NASA’s SpaceX Crew-11 mission, set to launch in the coming months to the International Space Station for a long-duration science expedition.
Butch Wilmore receives a warm welcome from NASA astronauts Reid Wiseman and Woody Hoburg at Ellington Field.NASA/Robert Markowitz Williams and Wilmore each brought decades of experience to the mission. Wilmore, a retired U.S. Navy captain and veteran fighter pilot, has logged 464 days in space over three flights. Outside of NASA, he serves as a pastor, leads Bible studies, and participates in mission trips across Central and South America. A skilled craftsman, he also builds furniture and other pieces for his local church.
Growing up in Tennessee, Wilmore says his faith continues to guide him, especially when navigating the uncertainties of flight.
Expedition 72 Flight Engineer Butch Wilmore works inside the International Space Station’s Columbus laboratory module to install the European Enhanced Exploration Exercise Device.NASA Wilmore encourages the next generation with a call to action: “Strap on your work hat and let’s go at it!” He emphasizes that tenacity and perseverance are essential for achieving anything of value. Motivated by a sense of patriotic duty and a desire to help those in need, Wilmore sees his astronaut role as a commitment to both his country and humanity at large.
Wilmore believes he’s challenged every day at NASA. “Doing the right things for the right reasons is what motivates me,” he said.
Expedition 72 Commander Suni Williams monitors an Astrobee robotic free-flyer outfitted with tentacle-like arms containing gecko-like adhesive pads preparing to grapple a “capture cube.”NASA A retired U.S. Navy captain and veteran of three spaceflights, Williams is a helicopter pilot, basic diving officer, and the first person to run the Boston Marathon in space—once in 2007, and again aboard the station in 2025. Originally from Needham, Massachusetts, she brings a lifelong spirit of adventure and service to everything she does.
“There are no limits,” said Williams. “Your imagination can make something happen, but it’s not always easy. There are so many cool things we can invent to solve problems—and that’s one of the joys of working in the space program. It makes you ask questions.”
Hague, a Kansas native, has logged a total of 374 days in space across three missions. A U.S. Space Force colonel and test pilot, he’s served in roles across the country and abroad, including a deployment to Iraq.
“When we’re up there operating in space, it’s focused strictly on mission,” said Hague. “We are part of an international team that spans the globe and works with half a dozen mission control centers that are talking in multiple languages — and we figure out how to make it happen. That’s the magic of human spaceflight: it brings people together.”
Expedition 72 Pilot Nick Hague inside the cupola with space botany hardware that supports the Rhodium Plant LIFE investigation.NASA For Williams, Wilmore, Hague, Gorbunov, and the team supporting them, Crew-9 marks the beginning of a new era of space exploration — one driven by innovation, perseverance, and the unyielding dream of reaching beyond the stars.
Watch the full press conference following the crew’s return to Earth here.
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