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La NASA recibe al ministro de Relaciones Exteriores de Uruguay para la firma de los Acuerdos de Artemis
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By NASA
The Soyuz MS-26 spacecraft is seen as it lands in a remote area near the town of Zhezkazgan, Kazakhstan with Expedition 72 NASA astronaut Don Pettit, and Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner aboard, April 19, 2025 (April 20, 2025, Kazakhstan time). The trio are returning to Earth after logging 220 days in space as members of Expeditions 71 and 72 aboard the International Space Station.NASA/Bill Ingalls NASA astronaut Don Pettit returned to Earth Saturday, accompanied by Roscosmos cosmonauts Alexey Ovchinin and Ivan Vagner, concluding a seven-month science mission aboard the International Space Station.
The trio departed the space station at 5:57 p.m. EDT aboard the Soyuz MS-26 spacecraft before making a safe, parachute-assisted landing at 9:20 p.m. (6:20 a.m. on Sunday, April 20, Kazakhstan time), southeast of Dzhezkazgan, Kazakhstan. Pettit also celebrates his 70th birthday on Sunday, April 20.
Spanning 220 days in space, Pettit and his crewmates orbited the Earth 3,520 times, completing a journey of 93.3 million miles. Pettit, Ovchinin, and Vagner launched and docked to the orbiting laboratory on Sept. 11, 2024.
During his time aboard the space station, Pettit conducted research to enhance in-orbit metal 3D printing capabilities, advance water sanitization technologies, explore plant growth under varying water conditions, and investigate fire behavior in microgravity, all contributing to future space missions. He also used his surroundings aboard station to conduct unique experiments in his spare time and captivate the public with his photography.
This was Pettit’s fourth spaceflight, where he served as a flight engineer for Expeditions 71 and 72. He has logged 590 days in orbit throughout his career. Ovchinin completed his fourth flight, totaling 595 days, and Vagner has earned an overall total of 416 days in space during two spaceflights.
NASA is following its routine postlanding medical checks, the crew will return to the recovery staging area in Karaganda, Kazakhstan. Pettit will then board a NASA plane bound for the agency’s Johnson Space Center in Houston. According to NASA officials at the landing site, Pettit is doing well and in the range of what is expected for him following return to Earth.
For more than two decades, people have lived and worked continuously aboard the International Space Station, advancing scientific knowledge and making research breakthroughs that are not possible on Earth. The station is a critical testbed for NASA to understand and overcome the challenges of long-duration spaceflight and to expand commercial opportunities in low Earth orbit. As commercial companies focus on providing human space transportation services and destinations as part of a strong low Earth orbit economy, NASA is focusing more resources on deep space missions to the Moon as part of Artemis in preparation for future astronaut missions to Mars.
Learn more about International Space Station research and operations at:
https://www.nasa.gov/station
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Joshua Finch
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov
Sandra Jones
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov
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Last Updated Apr 19, 2025 EditorJessica TaveauLocationNASA Headquarters Related Terms
International Space Station (ISS) Expedition 72 Humans in Space ISS Research View the full article
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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA test pilot Nils Larson inspects the agency’s F-15D research aircraft at NASA’s Armstrong Flight Research Center in Edwards, California, ahead of a calibration flight for a newly installed near-field shock-sensing probe. Mounted on the F-15D, the probe is designed to measure shock waves generated by the X-59 quiet supersonic aircraft during flight. The data will help researchers better understand how shock waves behave in close proximity to the aircraft, supporting NASA’s Quesst mission to enable quiet supersonic flight over land.NASA/Steve Freeman NASA test pilot Nils Larson inspects the agency’s F-15D research aircraft at NASA’s Armstrong Flight Research Center in Edwards, California, ahead of a calibration flight for a newly installed near-field shock-sensing probe. Mounted on the F-15D, the probe is designed to measure shock waves generated by the X-59 quiet supersonic aircraft during flight. The data will help researchers better understand how shock waves behave in close proximity to the aircraft, supporting NASA’s Quesst mission to enable quiet supersonic flight over land.NASA/Steve Freeman NASA’s F-15D research aircraft conducts a test flight near Edwards, California, with a newly installed near-field shock-sensing probe. Identical to a previously flown version that was intended as the backup, this new probe will capture shock wave data near the X-59 as it flies faster than the speed of sound, supporting NASA’s Quesst mission.NASA/Jim Ross NASA’s F-15D research aircraft conducts a test flight near Edwards, California, with a newly installed near-field shock-sensing probe. Identical to a previously flown version that was intended as the backup, this new probe will capture shock wave data near the X-59 as it flies faster than the speed of sound, supporting NASA’s Quesst mission.NASA/Jim Ross When you’re testing a cutting-edge NASA aircraft, you need specialized tools to conduct tests and capture data –but if those tools need maintenance, you need to wait until they’re fixed. Unless you have a backup. That’s why NASA recently calibrated a new shock-sensing probe to capture shock wave data when the agency’s X-59 quiet supersonic research aircraft begins its test flights.
When an aircraft flies faster than the speed of sound, it produces shock waves that travel through the air, creating loud sonic booms. The X-59 will divert those shock waves, producing just a quiet supersonic thump. Over the past few weeks, NASA completed calibration flights on a new near-field shock-sensing probe, a cone-shaped device that will capture data on the shock waves that the X-59 will generate.
This shock-sensing probe is mounted to an F-15D research aircraft that will fly very close behind the X-59 to collect the data NASA needs. The new unit will serve as NASA’s primary near-field probe, with an identical model NASA developed last year acting as a backup mounted to an additional F-15B.
The two units mean the X-59 team has a ready alternative if the primary probe needs maintenance or repairs. For flight tests like the X-59’s – where data gathering is crucial and operations revolve around tight timelines, weather conditions, and other variables – backups for critical equipment help to ensure continuity, maintain schedule, and preserve efficiency of operations.
“If something happens to the probe, like a sensor failing, it’s not a quick fix,” said Mike Frederick, principal investigator for the probe at NASA’s Armstrong Flight Research Center in Edwards, California. “The other factor is the aircraft itself. If one needs maintenance, we don’t want to delay X-59 flights.”
To calibrate the new probe, the team measured the shock waves of a NASA F/A-18 research aircraft. Preliminary results indicated that the probe successfully captured pressure changes associated with shock waves, consistent with the team’s expectations. Frederick and his team are now reviewing the data to confirm that it aligns with ground mathematical models and meets the precision standards required for X-59 flights.
Researchers at NASA Armstrong are preparing for additional flights with both the primary and backup probes on their F-15s. Each aircraft will fly supersonic and gather shock wave data from the other. The team is working to validate both the primary and backup probes to confirm full redundancy – in other words, making sure that they have a reliable backup ready to go.
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Last Updated Apr 17, 2025 EditorDede DiniusContactNicolas Cholulanicolas.h.cholula@nasa.gov Related Terms
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By NASA
NASA astronaut Nichole Ayers works at the controls of the robotics workstation in the International Space Station’s Destiny Laboratory. Credit: NASA Students from Woodland Park, Colorado, will connect with NASA astronaut Nichole Ayers as she answers prerecorded science, technology, engineering, and mathematics-related questions from aboard the International Space Station.
Watch the 20-minute space-to-Earth call at 11:55 a.m. EDT on Monday, April 21, on the NASA STEM YouTube Channel.
The event, hosted by Woodland Park High School, also is open to students from Woodland Park Middle School. The Colorado high school wants to show students that even though they reside in a small town, they can achieve big dreams. Ayers, who considers Colorado Springs and Divide, Colorado, home, is a graduate of Woodland Park.
Media interested in covering the event must RSVP by 5 p.m., Friday, April 18 to Lindsey Prahl at lprah@wpsdk12.org or 719-922-1019.
For more than 24 years, astronauts have continuously lived and worked aboard the space station, testing technologies, performing science, and developing skills needed to explore farther from Earth. Astronauts aboard the orbiting laboratory communicate with NASA’s Mission Control Center in Houston 24 hours a day through SCaN’s (Space Communications and Navigation) Near Space Network.
Important research and technology investigations taking place aboard the space station benefit people on Earth and lays the groundwork for other agency missions. As part of NASA’s Artemis campaign, the agency will send astronauts to the Moon to prepare for future human exploration of Mars; inspiring Artemis Generation explorers and ensuring the United States continues to lead in space exploration and discovery.
See videos and lesson plans highlighting space station research at:
https://www.nasa.gov/stemonstation
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Tiernan Doyle
Headquarters, Washington
202-358-1600
tiernan.doyle@nasa.gov
Sandra Jones
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov
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Last Updated Apr 17, 2025 LocationNASA Headquarters Related Terms
Astronauts Humans in Space International Space Station (ISS) ISS Research Johnson Space Center Nichole Ayers STEM Engagement at NASA View the full article
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By NASA
Credit: NASA NASA is marking progress in strengthening the agency’s small business partnerships, supply chain resiliency, and domestic space manufacturing capabilities.
Under the agency’s enhanced Mentor-Protégé Program, NASA has announced the first Mentor-Protégé Agreement between L3Harris Technologies, a NASA large prime contractor, and Parametric Machining, Inc., a veteran-owned small business.
This agreement will help advance NASA’s mission by fostering innovation and reinforcing the agency’s supply chain. As NASA continues to advance the Artemis campaign, deep space exploration, and aeronautics research, partnerships like this are essential in securing a resilient and efficient supplier base.
“We are excited to facilitate the first agreement under the newly enhanced NASA Mentor-Protégé Program,” said Dwight Deneal, assistant administrator for NASA’s Office of Small Business Programs. “This agreement, and the many that will follow, promote domestic ingenuity and manufacturing and provide opportunities for small businesses to grow and thrive within NASA’s industrial base.”
Through Mentor-Protégé Agreements, large prime contractors serve as mentors, offering technical and business development assistance to small business protégés. This collaboration not only enhances protégés’ capabilities but also provides mentors with a stronger, more reliable subcontracting base, enabling them to fill their supply chain gaps. Additionally, protégés gain potential prime and subcontract opportunities, enhanced technical capabilities, technical training, and long-term business growth.
Relaunched in November 2024, the merit-based NASA Mentor-Protégé Program is designed to bolster small business development while strengthening NASA’s supply chain and industry base. By focusing on a targeted set of North American Industry Classification System codes, including research and development and aerospace manufacturing, NASA ensures that participating small businesses are well-positioned to contribute to long-term mission objectives.
The agreement between L3Harris Technologies and Parametric Machining, Inc. demonstrates the value of NASA’s revamped Mentor-Protégé Program. NASA is actively accepting new Mentor-Protégé Agreements and encourages large prime contractors and small businesses to explore the benefits of forming partnerships under the program. Participating in the Mentor-Protégé Program provides:
Enhanced manufacturing capabilities and subcontracting opportunities. Mentorship from experienced NASA prime contractors. Opportunities to advance competitiveness in government contracts. Access to technical assistance and business development support. A pathway for small businesses to integrate into NASA’s supply chain. L3Harris Technologies is a prime contractor at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, supporting the Geostationary Extended Observations Imager Instrument Implementation contract. NASA Goddard also will serve as the administering center for this agreement.
For more information on NASA’s Mentor-Protégé Program and how to participate, visit:
https://www.nasa.gov/osbp/mentor-protege-program
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Last Updated Apr 17, 2025 ContactTiernan P. Doyletiernan.doyle@nasa.govLocationNASA Headquarters Related Terms
Office of Small Business Programs (OSBP) View the full article
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By NASA
On April 8, 2025, Bangladesh became the 54th nation to sign the accords. The commitments of the Artemis Accords and efforts by the signatories to advance implementation of these principles support the safe and sustainable exploration of space.NASA Following a signing ceremony Tuesday in Bangladesh’s capital city of Dhaka, NASA congratulates Bangladesh as the 54th nation to commit to the safe and responsible exploration of space that benefits humanity.
“We are thrilled by Bangladesh’s signature of the Accords,” said NASA acting Administrator Janet Petro. “Bangladesh affirms its role in shaping the future of space exploration. This is about ensuring that our journey to the Moon – and beyond – is peaceful, sustainable, and transparent. We look forward to working together, to learning from one another, and to seeing how Bangladesh’s incredible talent and vision contribute to humanity’s next great chapter in space.”
Ashraf Uddin, the secretary of defense for Bangladesh,signed the Artemis Accords on behalf of the country. Charge d’Affaires Tracey Jacobson for the U.S. Embassy in Dhaka, Bangladesh, participated in the event, and Petro contributed remarks in a pre-recorded video message.
“Bangladesh’s commitment to the Artemis Accords will enhance the country’s engagement with NASA and the international community,” said Bangladesh’s Chief Advisor Muhammad Yunus. “By signing the accords, Bangladesh builds upon an important foundation for the open, responsible and peaceful exploration of space.”
In 2020, the United States, led by NASA and the U.S. Department of State, and seven other initial signatory nations established the Artemis Accords, a first-ever set of practical guidelines for nations to increase safety of operations and reduce risk and uncertainty in their civil exploration activities. That group of signatories has grown to more than 50 countries today.
The Artemis Accords are grounded in the Outer Space Treaty and other agreements, including the Registration Convention and the Rescue and Return Agreement, as well as best practices for responsible behavior that NASA and its partners have supported, including the public release of scientific data.
Learn more about the Artemis Accords at:
https://www.nasa.gov/artemis-accords
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Amber Jacobson / Jennifer Dooren
Headquarters, Washington
202-358-1600
amber.c.jacobson@nasa.gov / jennifer.m.dooren@nasa.gov
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Last Updated Apr 08, 2025 EditorJennifer M. DoorenLocationNASA Headquarters Related Terms
Office of International and Interagency Relations (OIIR) Artemis Accords View the full article
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