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By NASA
4 Min Read NASA Uses Colorado Mountains for Simulated Artemis Moon Landing Course
NASA has certified a new lander flight training course using helicopters, marking a key milestone in crew training for Artemis missions to the Moon. Through Artemis, NASA explore the lunar South Pole, paving the way for human exploration farther into the solar system, including Mars.
The mountains in northern Colorado offer similar visual illusions and flight environments to the Moon. NASA partnered with the Colorado Army National Guard at the High-Altitude Army National Guard Aviation Training Site near Gypsum, Colorado, to develop the foundational flight training course.
“Artemis astronauts who will land on the Moon will need to master crew coordination and communication with one another,” said Paul Felker, acting deputy director of flight operations at NASA’s Johnson Space Center in Houston. “Much like they will on the Moon, astronaut teams are learning how to work together efficiently in a stressful environment to identify hazards, overcome degraded visual environments, and evaluate risks to successfully land.”
During the two-week certification run in late August, NASA astronauts Mark Vande Hei and Matthew Dominick participated in flight and landing training to help certify the course. The pair took turns flying a helicopter and navigating to landing zones. Artemis flight crew trainers, mission control leads, and lunar lander operational experts from NASA Johnson joined them on each helicopter flight to assess the instruction, training environment, and technical applications for crewed lunar missions.
NASA astronauts Matthew Dominick (left) and Mark Vande Hei (right) prepare to fly out to a landing zone in the Rocky Mountains as part of the certification run for the NASA Artemis course at the High-Altitude Army National Guard Aviation Training Site in Gypsum, Colorado, Aug. 26. NASA/Michael DeMocker A LUH-72 Lakota helicopter stirs up dust at the High-Altitude Army National Guard Aviation Training Site in Gypsum, Colorado, Aug. 28. NASA/Charles Beason A member of the Colorado Army National Guard peers out of a CH-47 Chinook in preparation for landing Aug. 22. NASA and trained instructors from the Army National Guard use a range of aircraft during flight training. Chinooks are used to demonstrate challenges with landing on the Moon. NASA/Charles Beason NASA astronauts Matthew Dominick (left) and Mark Vande Hei (right) celebrate after returning from a training flight Aug. 26 during a certification run for a lander flight training course for crewed Artemis missions. NASA/Michael DeMocker Paired with trained instructors with the Army National Guard, astronauts fly to mountaintops and valleys in a range of aircraft, including LUH-72 Lakotas, CH-47 Chinooks, and UH-60 Black Hawks. NASA/Charles Beason NASA astronaut Mark Vande Hei lands a helicopter as part of flight and landing training at the High Altitude Army National Guard Aviation Training Site Aug. 28. NASA/Michael DeMocker A member of the Colorado Army National Guard looks out of a CH-47 Chinook as it lands at a steep angle Aug. 29. A crater on the Moon could have a similar incline, posing landing challenges for future crewed Artemis missions. NASA/Michael DeMocker A LUH-72 Lakota helicopter flies over the mountains of northern Colorado Aug. 28 during a certification run for a lander flight training course for crewed Artemis missions. The mountains and valleys in Colorado have similar visual illusions to the Moon. NASA/Michael DeMocker The patch for the High-Altitude Army National Guard Aviation Training Site is pictured in the cupola of the International Space Station in 2023. NASA and the Colorado Army National Guard began working together in 2021 to develop a foundational lunar lander simulated flight training course for Artemis. NASA The NASA astronauts and trained instructor pilots with the Army National Guard flew to progressively more challenging landing zones throughout the course, navigating the mountainous terrain, and working together to quickly and efficiently land the aircraft.
Teams can train year-round using the course. Depending on the season, the snowy or dusty conditions can cause visual obstruction. Lunar dust can cause similar visual impairment during future crewed missions.
“Here in Colorado, we have specifically flown to dusty areas, so we know and understand just how important dust becomes during the final descent phase,” Vande Hei said. “Dust will interact with the lander thrusters on the Moon. During our flight training, we have had to revert to our instruments – just like we would on the Moon – because astronauts may lose all their visual cues when they’re near the surface.”
During Artemis III, four astronauts inside the agency’s Orion spacecraft on top of the SLS (Space Launch System rocket) will launch to meet SpaceX’s Starship Human Landing System in lunar orbit. Orion will then dock with the Starship system and two astronauts will board the lander. Astronauts will use the Starship lander to safely transport themselves from lunar orbit to the lunar surface. Following surface operations, the two astronauts will use Starship to launch from the lunar surface, back to lunar orbit, and dock with Orion to safely journey back to Earth.
The NASA-focused course has been in development since 2021. Vande Hei and Dominick are the 24th and 25th NASA astronauts to participate in and evaluate the course based on functionality and Artemis mission needs. One ESA (European Space Agency) astronaut has also participated in the course.
“This course will likely be one of the first group flight training opportunities for the Artemis III crew,” said NASA astronaut Doug Wheelock, who helped to develop the foundational training course for the agency. “While the astronauts will also participate in ground and simulation training in Ohio and Texas, the real-world flight environment in Colorado at offers astronauts an amazing simulation of the problem solving and decision making needed to control and maneuver a lunar lander across an equally dynamic landscape.”
Though the course is now certified for Artemis, teams will continue to evaluate the training based on astronaut and technical feedback to ensure mission success and crew safety.
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.
For more information about Artemis visit:
https://www.nasa.gov/artemis
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Last Updated Sep 10, 2025 EditorBeth RidgewayContactCorinne M. Beckingercorinne.m.beckinger@nasa.govLocationMarshall Space Flight Center Related Terms
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By NASA
5 Min Read NASA, Army National Guard Partner on Flight Training for Moon Landing
By Corinne Beckinger
When Artemis astronauts land on the Moon’s South Pole in a commercial human landing system, they will encounter a landscape pockmarked with deep craters, sloped connecting ridges, and harsh lighting conditions. The Moon’s lack of contrast, combined with its rolling terrain, will also pose a challenge, making it difficult for astronauts to overcome visual illusions on the lunar surface.
NASA astronaut Bob Hines (left) and Colorado Army National Guard HAATS instructor Ethan Jacobs practice landing procedures in the Rocky Mountains of Colorado in April 2025. Depending on the season, the snowy or dusty conditions can cause visual obstruction. Lunar dust can cause similar visual impairment during future crewed missions. In the mountains of northern Colorado, NASA and the U.S. Army National Guard are using military helicopters to develop a foundational lunar landersimulated flight training course to help astronauts practice flight and landing procedures for the Moon.
For decades, military helicopter pilots have trained at the HAATS (High-Altitude Army National Guard Aviation Training Site) in Gypsum, Colorado. In 2021, NASA and the Colorado Army National Guard began working together to develop a course specifically for the next generation of lunar explorers.
That NASA-specific course is scheduled to be finalized in August 2025, marking an important milestone for Artemis crewed landings training efforts.
“NASA is using a three-pronged approach with motion-based simulation, in-flight lunar landing analog training, and in-flight lunar simulation to build out its foundational training for Artemis Moon landings,” said NASA astronaut Doug Wheelock, who helped coordinate the training program. “Helicopters at or above 10,000 feet are not really efficient in the thin air, forcing us into operating with very thin power margins similar to the Apollo astronauts having to manage energy and momentum to land safely. The operations along with the terrain at the HAATS course in Colorado’s Rocky Mountains provide a valuable, real-world opportunity for Artemis astronauts to practice flying and landing in conditions similar to maneuvering a lander in the lunar environment.”
NASA astronaut Raja Chari participates in the HAATS course in April 2025. Since 2021, 22 NASA astronauts and one ESA (European Space Agency) astronaut have participated and evaluated the course based on functionality and Artemis mission needs. NASA/Laura Kiker NASA astronaut Raja Chari participates in the HAATS course in April 2025. Since 2021, 22 NASA astronauts and one ESA (European Space Agency) astronaut have participated and evaluated the course based on functionality and Artemis mission needs. NASA/Corinne Beckinger NASA’s human landing systems that will safely transport astronauts to and from the Moon’s surface will be provided by SpaceX and Blue Origin.
NASA’s Artemis III mission will build on earlier test flights and add new capabilities, including SpaceX’s Starship Human Landing System and advanced spacesuits, to send the first astronauts to explore the lunar South Pole and prepare humanity to go to Mars.
While each industry provider is responsible for training Artemis astronauts on its specific lander, NASA is establishing foundational training to help prepare astronauts for crewed flights.
Flight training opportunities like this are vital to mission success and crew safety.”
Doug Wheelock
NASA Astronaut
“Over the last few years, NASA and the Army National Guard have worked closely to evaluate training procedures and landing zone areas, incorporating accounts from Apollo astronauts,” Wheelock said. “During training flights at HAATS, astronauts can experience the visual illusions, cross-cockpit communication, and degraded visibility they may experience navigating to their landing zone near the lunar south pole. Flight training opportunities like this are vital to mission success and crew safety.”
Paired with trained instructors from the Army National Guard, astronauts fly to mountaintops and valleys in a range of aircraft, including LUH-72 Lakotas, CH-47 Chinooks, and UH-60 Black Hawks.
While one astronaut pilots the aircraft, an astronaut in the back charts the landing area, marking key landmarks, identifying potential hazards, and helping to track the flight path. Throughout the week-long course, the landing zones and situations become more challenging, allowing astronauts to experience team dynamics and practice communication skills they will need to land on the Moon.
“Our full-time Colorado Army National Guard pilots have thousands of flight hours navigating the Rocky Mountains at altitudes ranging from 6,500 to 14,200 feet, and we are reaching new heights by providing realistic and relevant training with NASA for Artemis,” said first sergeant Joshua Smith of the HAATS program. “Our Colorado Army National Guard pilots may not fly around the Moon, but we wear our motto, de monitbus ad astra — from the mountains to the stars — with pride.”
Fast Facts
On the Moon’s South Pole, the Sun is never more than 1.5 degrees above or below the horizon. With the Sun at such a low angle and with only a thin exosphere, shadows are stark, and astronauts may find it difficult to determine distances and heights.
The Moon’s atmosphere is extremely thin, with few particles, and is called an exosphere. The Moon’s exosphere is thin enough to glow in sunlight, which has been observed by spacecraft and some of the Apollo astronauts. The Moon’s surface is challenging to land on. There are inactive volcanoes, bounders, large basins, craters, and cracks in the Moon’s crust, caused by the Earth’s gravity tugging on the Moon. Moon dust can also obscure the view from the windows of a commercial human landing system, and affect sensors that relay important information, such as altitude and velocity, to astronauts. 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.
For more information about Artemis visit:
https://www.nasa.gov/artemis
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Last Updated Aug 18, 2025 EditorBeth RidgewayContactCorinne M. Beckingercorinne.m.beckinger@nasa.govLocationMarshall Space Flight Center Related Terms
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By NASA
This view of tracks trailing NASA’s Curiosity rover was captured July 26, 2025, as the rover simultaneously relayed data to a Mars orbiter.NASA/JPL-Caltech NASA’s Curiosity rover captured a view of its tracks on July 26, 2025. The robotic scientist is now exploring a region of lower Mount Sharp, a 3-mile-tall (5-kilometer-tall) mountain. The pale peak of the mountain can be seen at top right; the rim of Gale Crater, within which the mountain sits, is on the horizon at top left. Curiosity touched down on the crater floor 13 years ago.
Recently, the rover rolled into a region filled with boxwork formations. Studying these formations could reveal whether microbial life could have survived in the Martian subsurface eons ago, extending the period of habitability farther into when the planet was drying out. Read more about the detective work Curiosity is doing on Mars.
Image credit: NASA/JPL-Caltech
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By NASA
3 Min Read NASA Engineers Simulate Lunar Lighting for Artemis III Moon Landing
Better understanding the lunar lighting environment will help NASA prepare astronauts for the harsh environment Artemis III Moonwalkers will experience on their mission. NASA’s Artemis III mission will build on earlier test flights and add new capabilities with the human landing system and advanced spacesuits to send the first astronauts to explore the lunar South Pole and prepare humanity to go to Mars.
Using high-intensity lighting and low-fidelity mock-ups of a lunar lander, lunar surface, and lunar rocks, NASA engineers are simulating the Moon’s environment at the Flat Floor Facility to study and experience the extreme lighting condition. The facility is located at NASA’s Marshall Space Flight Center in Huntsville, Alabama.
NASA engineers inside the Flat Floor Facility at Marshall Space Flight Center in Huntsville, Alabama, mimic lander inspection and assessment tasks future Artemis astronauts may do during Artemis III. Lights are positioned at a low angle to replicate the strong shadows that are cast across the lunar South Pole. NASA/Charles Beason “The goal is really to understand how shadows will affect lander visual inspection and assessment efforts throughout a future crewed mission,” said Emma Jaynes, test engineer at the facility. “Because the Flat Floor Facility is similar to an inverted air hockey table, NASA and our industry partners can rearrange large, heavy structures with ease – and inspect the shadows’ effects from multiple angles, helping to ensure mission success and astronaut safety for Artemis III.”
Data and analysis from testing at NASA are improving models Artemis astronauts will use in preparation for lander and surface operations on the Moon during Artemis III. The testing also is helping cross-agency teams evaluate various tools astronauts may use.
The 86-foot-long by 44-foot-wide facility at NASA is one of the largest, flattest, and most stable air-bearing floors in the world, allowing objects to move across the floor without friction on a cushion of air.
Test teams use large, 12-kilowatt and 6-kilowatt lights to replicate the low-angle, high contrast conditions of the lunar South Pole. Large swaths of fabric are placed on top of the epoxy floor to imitate the reflective properties of lunar regolith. All the mock-ups are placed on air bearings, allowing engineers to easily move and situate structures on the floor.
The Flat Floor Facility is an air-bearing floor, providing full-scale simulation capabilities for lunar surface systems by simulating zero gravity in two dimensions. Wearing low-fidelity materials, test engineers can understand how the extreme lighting of the Moon’s South Pole could affect surface operations during Artemis III. NASA/Charles Beason “The Sun is at a permanent low angle at the South Pole of the Moon, meaning astronauts will experience high contrasts between the lit and shadowed regions,” Jaynes said. “The color white can become blinding in direct sunlight, while the shadows behind a rock could stretch for feet and ones behind a lander could extend for miles.”
The laboratory is large enough for people to walk around and experience this phenomenon with the naked eye, adding insight to what NASA calls ‘human in-the-loop testing.
NASA is working with SpaceX to develop the company’s Starship Human Landing System to safely send Artemis astronauts to the Moon’s surface and back to lunar orbit for Artemis III.
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.
For more information about Artemis missions, visit:
https://www.nasa.gov/artemis
News Media Contact
Corinne Beckinger
Marshall Space Flight Center, Huntsville, Ala.
256.544.0034
corinne.m.beckinger@nasa.gov
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Last Updated Jun 17, 2025 EditorLee MohonContactCorinne M. Beckingercorinne.m.beckinger@nasa.govLocationMarshall Space Flight Center Related Terms
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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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