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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
The Artemis II Orion stage adapter, built at NASA’s Marshall Space Flight Center in Huntsville, Alabama. NASA Media are invited to NASA’s Marshall Space Flight Center in Huntsville, Alabama, at 2 p.m. CDT Thursday, Aug. 14 to view the final piece of space flight hardware for the agency’s SLS (Space Launch System) rocket for the Artemis II mission before it is delivered to NASA’s Kennedy Space Center in Florida. All other elements of the SLS rocket for Artemis II are stacked on mobile launcher 1 in the Vehicle Assembly Building at Kennedy. Artemis II, NASA’s first mission with crew aboard the SLS rocket and Orion spacecraft, is currently scheduled for a 10-day trip around the Moon no later than April 2026.
The Orion stage adapter, built by NASA Marshall, connects the SLS rocket’s interim cryogenic propulsion stage to NASA’s Orion spacecraft. The small ring structure is the topmost portion of the SLS rocket. The adapter will also carry small payloads, called CubeSats, to deep space.
Media will have the opportunity to capture images and video and speak to subject matter experts. Along with viewing the adapter for Artemis II, media will be able to see the Orion stage adapter for the Artemis III mission, the first lunar landing at the Moon’s South Pole.
This event is open to U.S. media, who must confirm their attendance by 12 p.m. CDT Wednesday, Aug. 13, with Jonathan Deal in Marshall’s Office of Communications at jonathan.e.deal@nasa.gov. Media must also report by 1:30 p.m. Thursday, Aug.14 to the Redstone Arsenal Joint Visitor Control Center Gate 9 parking lot, located at the Interstate 565 interchange at Research Park Boulevard, to be escorted to the event.
Through Artemis, NASA will send astronauts to explore the Moon for scientific discovery, economic benefits, and build the foundation for the first crewed missions to Mars.
For more on SLS, visit:
https://www.nasa.gov/humans-in-space/space-launch-system
Jonathan Deal
Marshall Space Flight Center, Huntsville, Ala.
256.631.9126
jonathan.e.deal@nasa.gov
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Last Updated Aug 11, 2025 EditorBeth RidgewayLocationMarshall Space Flight Center Related Terms
Space Launch System (SLS) Marshall Space Flight Center Explore More
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By NASA
NASA/Rad Sinyak The Artemis II crew (from left to right) CSA (Canadian Space Agency) astronaut Jeremy Hansen, and NASA astronauts Christina Koch, Victor Glover, and Reid Wiseman don their Orion Crew Survival System Suits for a multi-day crew module training beginning July 31, 2025, at the agency’s Kennedy Space Center in Florida. Behind the crew, wearing clean room apparel, are members of the Artemis II closeout crew.
Testing included a suited crew test and crew equipment interface test, performing launch day and simulated orbital activities inside the Orion spacecraft. This series of tests marks the first time the crew entered their spacecraft that will take them around the Moon and back to Earth while wearing their spacesuits.
Image credit: NASA/Rad Sinyak
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By NASA
The Artemis II crew (from left to right) CSA (Canadian Space Agency) Jeremy Hansen, mission specialist; Christina Koch, mission specialist; Victor Glover, pilot; and Reid Wiseman, commander, don their Orion Crew Survival System Suits for a multi-day crew module training beginning Thursday, July 31, 2025 at the agency’s Kennedy Space Center in Florida. Behind the crew, wearing clean room apparel, are members of the Artemis II closeout crew. NASA/Rad Sinyak The first crew slated to fly in NASA’s Orion spacecraft during the Artemis II mission around the Moon early next year entered their spacecraft for a multi-day training at the agency’s Kennedy Space Center in Florida. Crew donned their spacesuits July 31 and boarded Orion to train and experience some of the conditions they can expect on their mission.
NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen participated in a suited crew test and crew equipment interface test, performing launch day and simulated orbital activities inside Orion.
Every milestone in the Artemis campaign brings us closer to landing Americans back on the Moon and pushing onward to Mars.
sEAN dUFFY
acting NASA Administrator
“In about six months, Artemis II astronauts will journey around the Moon for the first time in 53 years,” Duffy said. “America rallied behind Apollo because it represented the best of us – now it’s Artemis’ turn. They’re not just carrying a flag – they’re carrying the pride, power, and promise of the United States of America.”
With Orion powered on, the suited crew test was a close representation of what the crew can expect on launch day. The crew began the day by suiting up inside the spaceport’s Multi-Operation Support Building, donning their Orion crew survival system spacesuits, boarding the zero-emission crew transportation vehicles, and entering Orion, which is currently inside the Multi-Payload Processing Facility, where engineers have loaded its propellants over the course of several weeks.
Once in Orion, the crew performed several launch day activities, including communications checkouts and suit leak checks. For the first time, the crew was connected to the spacecraft and its communications and life control systems, and all umbilicals were connected while the spacecraft operated on full power.
Teams simulated several different ground and flight conditions to give the crew more experience managing them in real time. Some of the activities simulated scenarios where the crew was challenged to address potential issues while in space such as leaks and failure of the air revitalization system fan, which is needed to provide oxygen and remove carbon dioxide from the cabin. Getting this hands-on experience and learning how to act fast to overcome potential challenges during flight helps ensure the crew is ready for any scenario.
The test provides astronauts the ability to train on the actual hardware they will use during flight, allowing them and support teams the opportunity to familiarize themselves with the equipment in configurations very close to what will be experienced during flight. It also allows teams to verify compatibility between the equipment and systems with flight controller procedures, so they can make any final adjustments ahead of launch.
This test brings together the Artemis II crew and the Orion spacecraft that will carry them to the Moon and back.
Shawn Quinn
NASA's Exploration Ground Systems Program manager
“It signifies the immense amount of work that our operations and development teams put into making sure we are ready for launch.” Quinn said. “They have meticulously planned each operation, timing them to perfection – and now we put it to the test.”
Exchanging their spacesuits for cleanroom garments for the crew equipment interface test, and with the spacecraft powered off, the crew also performed many of the activities they are likely to do in flight and conducted additional equipment checks. The crew practiced removing and stowing the foot pans on the pilot and commander seats, which will allow them to have more open space in the cabin after launch. They also accessed the stowage lockers and familiarized themselves with cameras, associated cables and mounts, and the environmental control and life support system hardware.
In addition to getting practical experience with the actual hardware they’ll use in space, they also prepared for life in deep space, reviewing cabin labels, sleep arrangements and checklists, and the hygiene bay.
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.
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By NASA
This artist’s concept of Blue Ghost Mission 4 shows Firefly’s Blue Ghost lunar lander and NASA payloads in the lunar South Pole Region, through NASA’s CLPS (Commercial Lunar Payload Services) initiative.Credit: Firefly Aerospace NASA has awarded Firefly Aerospace of Cedar Park, Texas, $176.7 million to deliver two rovers and three scientific instruments to the lunar surface as part of the agency’s CLPS (Commercial Lunar Payload Services) initiative and Artemis campaign to explore more of the Moon than ever before.
This delivery is the first time NASA will use multiple rovers and a variety of stationary instruments, in a collaborative effort with the CSA (Canadian Space Agency) and the University of Bern, to help us understand the chemical composition of the lunar South Pole region and discover the potential for using resources available in permanently shadowed regions of the Moon.
“Through CLPS, NASA is embracing a new era of lunar exploration, with commercial companies leading the way,” said Joel Kearns, deputy associate administrator for exploration, Science Mission Directorate, NASA Headquarters in Washington. “These investigations will produce critical knowledge required for long-term sustainability and contribute to a deeper understanding of the lunar surface, allowing us to meet our scientific and exploration goals for the South Pole region of the Moon for the benefit of all.”
Under the new CLPS task order, Firefly is tasked with delivering end-to-end payload services to the lunar surface, with a period of performance from Tuesday to March 29, 2030. The company’s lunar lander is targeted to land at the Moon’s South Pole region in 2029.
This is Firefly’s fifth task order award and fourth lunar mission through CLPS. Firefly’s first delivery successfully landed on the Moon’s near side in March 2025 with 10 NASA payloads. The company’s second mission, targeting a launch in 2026, includes a lunar orbit drop-off of a satellite combined with a delivery to the lunar surface on the far side. Firefly’s third lunar mission will target landing in the Gruithuisen Domes on the near side of the Moon in 2028, delivering six experiments to study that enigmatic lunar volcanic terrain.
“As NASA sends both humans and robots to further explore the Moon, CLPS deliveries to the lunar South Pole region will provide a better understanding of the exploration environment, accelerating progress toward establishing a long-term human presence on the Moon, as well as eventual human missions to Mars,” said Adam Schlesinger, manager of the CLPS initiative at NASA’s Johnson Space Center in Houston.
The rovers and instruments that are part of this newly awarded flight include:
MoonRanger is an autonomous microrover that will explore the lunar surface. MoonRanger will collect images and telemetry data while demonstrating autonomous capabilities for lunar polar exploration. Its onboard Neutron Spectrometer System instrument will study hydrogen-bearing volatiles and the composition of lunar regolith, or soil.
Lead development organizations: NASA’s Ames Research Center in California’s Silicon Valley, and Carnegie Mellon University and Astrobotic, both in Pittsburgh. Stereo Cameras for Lunar Plume Surface Studies will use enhanced stereo imaging photogrammetry, active illumination, and ejecta impact detection sensors to capture the impact of the rocket exhaust plume on lunar regolith as the lander descends on the Moon’s surface. The high-resolution stereo images will help predict lunar regolith erosion and ejecta characteristics, as bigger, heavier spacecraft and hardware are delivered to the Moon near each other in the future.
Lead development organization: NASA’s Langley Research Center in Hampton, Virginia. Laser Retroreflector Array is an array of eight retroreflectors on an aluminum support structure that enables precision laser ranging, a measurement of the distance between the orbiting or landing spacecraft to the reflector on the lander. The array is a passive optical instrument, which functions without power, and will serve as a permanent location marker on the Moon for decades to come.
Lead development organization: NASA’s Goddard Space Flight Center in Greenbelt, Maryland. A CSA Rover is designed to access and explore remote South Pole areas of interest, including permanently shadowed regions, and to survive at least one lunar night. The CSA rover has stereo cameras, a neutron spectrometer, two imagers (visible to near-infrared), a radiation micro-dosimeter, and a NASA-contributed thermal imaging radiometer developed by the Applied Physics Laboratory. These instruments will advance our understanding of the physical and chemical properties of the lunar surface, the geological history of the Moon, and potential resources such as water ice. It will also improve our understanding of the environmental challenges that await future astronauts and their life support systems.
Lead development organization: CSA. Laser Ionization Mass Spectrometer is a mass spectrometer that will analyze the element and isotope composition of lunar regolith. The instrument will utilize a Firefly-built robotic arm and Titanium shovel that will deploy to the lunar surface and support regolith excavation. The system will then funnel the sample into its collection unit and use a pulsed laser beam to identify differences in chemistry compared to samples studied in the past, like those collected during the Apollo program. Grain-by-grain analyses will provide a better understanding of the chemical complexity of the landing site and the surrounding area, offering insights into the evolution of the Moon.
Lead development organization: University of Bern in Switzerland. Through the CLPS initiative, NASA purchases lunar landing and surface operations services from American companies. The agency uses CLPS to send scientific instruments and technology demonstrations to advance capabilities for science, exploration, or commercial development of the Moon, and to support human exploration beyond to Mars. By supporting a robust cadence of lunar deliveries, NASA will continue to enable a growing lunar economy while leveraging the entrepreneurial innovation of the commercial space industry.
To learn more about CLPS and Artemis, visit:
https://www.nasa.gov/clps
-end-
Alise Fisher
Headquarters, Washington
202-358-2546
alise.m.fisher@nasa.gov
Nilufar Ramji
Johnson Space Center, Houston
281-483-5111
nilufar.ramji@nasa.gov
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Last Updated Jul 29, 2025 LocationNASA Headquarters Related Terms
Commercial Lunar Payload Services (CLPS) Artemis Earth's Moon View the full article
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By NASA
For Melissa John, protecting the environment is her way of contributing to space exploration while preserving the Earth we call home.
As the sustainability program lead at NASA’s White Sands Test Facility in Las Cruces, New Mexico, John manages efforts to reduce waste, prevent pollution, and promote eco-conscious practices. Over the past 13 years, she has helped shape a workplace culture that values innovation and environmental responsibility.
Official portrait of Melissa John. NASA/Brandon Teeples This is how I make a difference — by protecting the land, the community, and hopefully inspiring others to do the same.
Melissa John
Sustainability Program Lead
Through awareness campaigns and outreach events, John empowers employees to be mindful of their environmental impact. Whether she is fostering grassroots connections, leading hands-on events, or recognizing colleagues who prioritize climate-aware actions, John remains dedicated to making a lasting, positive impact on the planet.
John credits her Diné heritage and cultural values for fueling her passion to protect and preserve Earth for future generations.
John began her NASA career at White Sands as a document specialist, reviewing schedules and environmental reports. She later transitioned into technical editing and gradually got involved in green initiatives, volunteering her time before eventually stepping into her current leadership role.
Now, she coordinates a sitewide working group dedicated to reducing the facility’s environmental impact and inspires others to think critically about everyday actions and their ripple effects.
Melissa John in the propulsion test area near the main water tank at NASA’s White Sands Test Facility in Las Cruces, New Mexico.NASA/Brandon Teeples John did not always know how she would make her mark.
“Growing up, I remember a teacher asking how we could make a difference in the world,” she said. “I never forgot that question.”
During the years she spent working in accounting and in the mining industry, she kept returning to that question. It was not until she joined NASA that she found her answer:
“This — this is how I make my difference in the world.”
The work also helped John grow in ways she did not expect.
“I was painfully shy as a kid and terrified of speaking in front of a crowd,” she said. “But when I took on this role, I knew I had to find my voice. I still have timid moments, but the pride I feel in this work helps me push through. I’ve been through a lot, but I’m still here learning, growing, and showing up for the team I now call family.”
John credits her strong support system for that transformation. “I am in awe of the women I’ve worked with,” she said. “I hope I can inspire others as they have inspired me.”
From left to right: Mary Canavan, Melissa John, Amanda Skarsgard, and Pam Egan at the annual Plant Fair Share at White Sands Test Facility. Whether on Earth or beyond it, John believes that thoughtful action today leads to a brighter tomorrow. She is committed to leaving the world a better place for the next generation. Her legacy is simple: “Clean air, clean water, and clean land — that’s what I want to pass on.”
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