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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Christine Braden values new experiences that broaden her perspective; a mindset that has guided her 26-year career at NASA’s Johnson Space Center in Houston, where she currently serves as a senior systems engineer in the Commercial Low Earth Orbit Development Program. In her role, Braden works with engineering teams to develop commercial space stations that will prioritize the safety of astronauts while maximizing cost-effectiveness and the scientific research capabilities onboard.
Managed by NASA’s Space Operations Mission Directorate, the program supports the development of commercially owned and operated space stations in low Earth orbit from which the agency, along with other customers, can purchase services and stimulate the growth of commercial activities in space. Designing and developing these space stations is the first step of NASA’s two-phase approach, enabling the agency to certify stations and procure services as one of many customers.
With a bachelor’s degree in Technical Management from Embry-Riddle Aeronautical University, Braden brings a strong engineering foundation to her work. However, her role unique because it allows her to merge technical expertise with her creative instincts.
“My team must think outside the box to define new ways that ensure that the commercial providers’ technical integrations, requirements, development, and operations are designed to the highest degree possible,” said Braden.
Recently, she proposed a certification and systems engineering architecture that redefines how companies will interface with NASA and each other in an evolving landscape. Braden’s hybrid approach strikes a balance, allowing companies to innovate while favoring shared assurance and accountability. It also gives NASA situational awareness of the companies’ design, tests, mission, and operational approaches. As a result of her efforts, Braden was recognized with an “On the Spot” award.
Christine Braden receives an “On the Spot” award from Angela Hart, program manager for NASA’s Commercial Low Earth Orbit Development Program, in March 2024.NASA/Helen Arase Vargas
Looking ahead, Braden envisions a world where commercial space stations are a hub for science and technology, spacecraft are more efficient, spaceflight is more accessible, humans are back on the Moon, and Mars is the next frontier. In reflecting on these agency-wide goals, Braden finds that working with passionate team members makes her day-to-day work truly special and enjoyable.
“I am a part of a small, close-knit team that works together to make these advancements in space exploration happen for the world,” said Braden. “Working at NASA is a once-in-a-lifetime opportunity that not only defines my working life going forward but also provides me with an experience I can share with some truly amazing people.”
Working at NASA is a once-in-a-lifetime opportunity that not only defines my working life going forward but also provides me with an experience I can share with some truly amazing people.
Christine Braden
Senior Systems Engineer, Commercial Low Earth Orbit Development Program
Outside of work, Braden is inspired by her faith, which encourages her to see things from new perspectives and try to understand people from all walks of life. Additionally, Braden is a lifelong learner who loves listening to podcasts, watching documentaries, and reading web articles. She is eager to learn everything from music and dance to plants and animals.
“When I look through scientific websites where new planets and galaxies are discovered, it makes me think of ways humanity may expand itself to the stars, and ways that we can preserve the life we have here on Earth,” said Braden.
On the topic of preservation, one of Braden’s many hobbies is antique restoration. “It reminds me of my dad and grandfather restoring homes together during my childhood and gives me hope that I can inspire my children as they watch me follow in our family’s footsteps,” said Braden. Her other hobbies include gardening and family activities such as puzzles, board games, watching television, playing video games, hunting, and traveling.
As a driven individual known for her creativity and curiosity, Braden’s fresh ideas and spirit are key in guiding the agency’s progress into new frontiers.
NASA’s Space Operations Mission Directorate maintains a continuous human presence in space for the benefit of people on Earth. The programs within the directorate are the hub of NASA’s space exploration efforts, enabling Artemis, commercial space, science, and other agency missions through communication, launch services, research capabilities, and crew support.
To learn more about NASA’s Space Operation Mission Directorate, visit:
https://www.nasa.gov/directorates/space-operations
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Last Updated May 15, 2025 Related Terms
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By NASA
Teams at NASA’s Michoud Assembly Facility in New Orleans move a liquid hydrogen tank for the agency’s SLS (Space Launch System) rocket into the factory’s final assembly area on April 22, 2025. The propellant tank is one of five major elements that make up the 212-foot-tall rocket stage. NASA/Steven Seipel NASA completed another step to ready its SLS (Space Launch System) rocket for the Artemis III mission as crews at the agency’s Michoud Assembly Facility in New Orleans recently applied a thermal protection system to the core stage’s liquid hydrogen tank.
Building on the crewed Artemis II flight test, Artemis III will add new capabilities with the human landing system and advanced spacesuits to send the first astronauts to explore the lunar South Pole region and prepare humanity to go to Mars. Thermal protection systems are a cornerstone of successful spaceflight endeavors, safeguarding human life, and enabling the launch and controlled return of spacecraft.
The tank is the largest piece of SLS flight hardware insulated at Michoud. The hardware requires thermal protection due to the extreme temperatures during launch and ascent to space – and to keep the liquid hydrogen at minus 423 degrees Fahrenheit on the pad prior to launch.
“The thermal protection system protects the SLS rocket from the heat of launch while also keeping the thousands of gallons of liquid propellant within the core stage’s tanks cold enough. Without the protection, the propellant would boil off too rapidly to replenish before launch,” said Jay Bourgeois, thermal protection system, test, and integration lead at NASA Michoud. “Thermal protection systems are crucial in protecting all the structural components of SLS during launch and flight.”
In February, Michoud crews with NASA and Boeing, the SLS core stage prime contractor, completed the thermal protection system on the external structure of the rocket’s liquid hydrogen propellant fuel tank, using a robotic tool in what is now the largest single application in spaceflight history. The robotically controlled operation coated the tank with spray-on foam insulation, distributing 107 feet of the foam to the tank in 102 minutes. When the foam is applied to the core stage, it gives the rocket a canary yellow color. The Sun’s ultraviolet rays naturally “tan” the thermal protection, giving the SLS core stage its signature orange color, like the space shuttle external tank.
Having recently completed application of the thermal protection system, teams will now continue outfitting the 130-foot-tall liquid hydrogen tank with critical systems to ready it for its designated Artemis III mission. The core stage of SLS is the largest ever built by length and volume, and was manufactured at Michoud using state-of-the-art manufacturing equipment. (NASA/Steven Seipel) While it might sound like a task similar to applying paint to a house or spraying insulation in an attic, it is a much more complex process. The flexible polyurethane foam had to withstand harsh conditions for application and testing. Additionally, there was a new challenge: spraying the stage horizontally, something never done previously during large foam applications on space shuttle external tanks at Michoud. All large components of space shuttle tanks were in a vertical position when sprayed with automated processes.
Overall, the rocket’s core stage is 212 feet with a diameter of 27.6 feet, the same diameter as the space shuttle’s external tank. The liquid hydrogen and liquid oxygen tanks feed four RS-25 engines for approximately 500 seconds before SLS reaches low Earth orbit and the core stage separates from the upper stage and NASA’s Orion spacecraft.
“Even though it only takes 102 minutes to apply the spray, a lot of careful preparation and planning is put into this process before the actual application of the foam,” said Boeing’s Brian Jeansonne, the integrated product team senior leader for the thermal protection system at NASA Michoud. “There are better process controls in place than we’ve ever had before, and there are specialized production technicians who must have certifications to operate the system. It’s quite an accomplishment and a lot of pride in knowing that we’ve completed this step of the build process.”
The core stage of SLS is the largest NASA has ever built by length and volume, and it was manufactured at Michoud using state-of-the-art manufacturing equipment. Michoud is a unique, advanced manufacturing facility where the agency has built spacecraft components for decades, including the space shuttle’s external tanks and Saturn V rockets for the Apollo program.
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 information on the Artemis Campaign, visit:
https://www.nasa.gov/feature/artemis/
News Media Contact
Jonathan Deal
Marshall Space Flight Center, Huntsville, Ala.
256-544-0034
jonathan.e.deal@nasa.gov
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By NASA
Artemis II crew members, shown inside the Neil Armstrong Operations and Checkout Building at NASA’s Kennedy Space Center in Florida, stand in front of their Orion crew module on Aug. 8, 2023. Pictured from left are CSA (Canadian Space Agency) astronaut Jeremy Hansen, and NASA astronauts Victor Glover, Reid Wiseman, and Christina Koch.Credit: NASA/Kim Shiflett NASA will host a live Twitch event to highlight the ongoing Moon Mascot Challenge, which invites the public to design a zero gravity indicator for the agency’s Artemis II crewed test flight around the Moon. Viewers will have the opportunity to provide real-time input to an artist who will create an example of a zero gravity indicator during the livestream.
Zero gravity indicators are small, plush items carried aboard spacecraft to provide a visual indication of when the crew reaches space.
The event will begin at 3 p.m. EDT on Tuesday, May 13, on the agency’s official Twitch channel:
https://www.twitch.tv/nasa
The contest invites global creators of all ages to submit design ideas for a zero gravity indicator that will fly aboard the agency’s Artemis II test flight, the first crewed mission under NASA’s Artemis campaign.
Up to 25 finalists, including entries from a K-12 student division, will be selected. The Artemis II crew will choose one design that NASA’s Thermal Blanket Lab will fabricate to fly alongside the crew in the Orion spacecraft.
During this Twitch event, NASA experts will discuss the Moon Mascot Challenge while the artist incorporates live audience feedback into a sample design. Although the design example will not be eligible for the contest, it will demonstrate how challenge participants can develop their own zero gravity indicator designs. The example will be shared on the @NASAArtemis social media accounts following the Twitch event.
The Artemis II test flight will take NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, and CSA (Canadian Space Agency) astronaut Jeremy Hansen on a 10-day journey around the Moon and back. The mission is another step toward missions on the lunar surface to help the agency prepare for future human missions to Mars.
To learn more about NASA’s missions, visit:
https://www.nasa.gov
-end-
Rachel Kraft
Headquarters, Washington
202-358-1600
rachel.h.kraft@nasa.gov
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Last Updated May 12, 2025 EditorJessica TaveauLocationNASA Headquarters Related Terms
Artemis 2 Earth's Moon Exploration Systems Development Mission Directorate Social Media View the full article
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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
When most people think of NASA, they picture rockets, astronauts, and the Moon. But behind the scenes, a group of inventors is quietly rewriting the rules of what’s possible — on Earth, in orbit, and beyond. Their groundbreaking inventions eventually become technology available for industry, helping to shape new products and services that improve life around the globe. For their contributions to NASA technology, we welcome four new inductees into the 2024-2025 NASA Inventors Hall of Fame
A robot for space and the workplace
Myron (Ron) Diftler led the team behind Robonaut 2 (R2), a humanoid robot developed with General Motors. The goal was to create a robot that could help humans both in space and on the factory floor. The R2 robot became the first humanoid robot in space aboard the International Space Station, and part of its technology was licensed for use on Earth, leading to a grip-strengthening robotic glove to help humans with strenuous, repetitive tasks. From factories to space exploration, Diftler’s work has real-world impact.
Some of the toughest electronic chips on and off Earth
Technology developed to one day explore the surface of Venus has to be tough enough to survive the planet where temperatures hit 860°F and the atmosphere is akin to battery acid. Philip Neudeck’s silicon carbide integrated circuits don’t just work — they ran for over 60 days in simulated Venus-like conditions. On Earth, these chips can boost efficiency in wireless communication systems, help make drilling for oil safer, and enable more practical electric vehicles.
From developing harder chip materials to unlocking new planetary missions, Neudeck is proving that the future of electronics isn’t just about speed — it’s about survival.
Hydrogen sensors that could go the distance on other worlds
Gary Hunter helped develop a hydrogen sensor so advanced it’s being considered for a future mission to Titan, Saturn’s icy moon. These and a range of other sensors he’s helped developed have applications that go beyond space exploration, such as factory floors here on Earth.
With new missions on the horizon and smarter sensors in development, Hunter is still pushing the boundaries of what NASA technology can do. Whether it’s Titan, the surface of Venus, or somewhere we haven’t dreamed of yet, this work could help shape the way to get there.
Advanced materials research to make travel safer
Advanced materials, such as foams and composites, are key to unlocking the next generation of manufacturing. From space exploration to industry, Erik Weiser spent years contributing his expertise to the development of polymers, ceramics, metals, nanomaterials, and more. He is named on more than 20 patents. During this time, he provided his foam expertise to the Space Shuttle Columbia accident investigation, the Shuttle Discovery Return-to-Flight Investigation and numerous teams geared toward improving the safety of the shuttle.
Today, Weiser serves as director of the Facilities and Real Estate Division at NASA Headquarters, overseeing the foundation of NASA’s missions. Whether it’s advancing research or optimizing real estate across the agency, he’s helping launch the future, one facility at a time.
Want to learn more about NASA’s game changing innovations? Visit the NASA Inventors Hall of Fame.
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Last Updated May 09, 2025 Related Terms
Technology Technology Transfer Technology Transfer & Spinoffs Explore More
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By NASA
Credit: NASA The Trump-Vance Administration released toplines of the President’s budget for Fiscal Year 2026 on Friday. The budget accelerates human space exploration of the Moon and Mars with a fiscally responsible portfolio of missions.
“This proposal includes investments to simultaneously pursue exploration of the Moon and Mars while still prioritizing critical science and technology research,” said acting NASA Administrator Janet Petro. “I appreciate the President’s continued support for NASA’s mission and look forward to working closely with the administration and Congress to ensure we continue making progress toward achieving the impossible.”
Increased commitment to human space exploration in pursuit of exploration of both the Moon and Mars. By allocating more than $7 billion for lunar exploration and introducing $1 billion in new investments for Mars-focused programs, the budget ensures America’s human space exploration efforts remain unparalleled, innovative, and efficient. Refocus science and space technology resources to efficiently execute high priority research. Consistent with the administration’s priority of returning to the Moon before China and putting an American on Mars, the budget will advance priority science and research missions and projects, ending financially unsustainable programs including Mars Sample Return. It emphasizes investments in transformative space technologies while responsibly shifting projects better suited for private sector leadership. Transition the Artemis campaign to a more sustainable, cost-effective approach to lunar exploration. The SLS (Space Launch System) rocket and Orion capsule will be retired after Artemis III, paving the way for more cost-effective, next-generation commercial systems that will support subsequent NASA lunar missions. The budget also ends the Gateway Program, with the opportunity to repurpose already produced components for use in other missions. International partners will be invited to join these renewed efforts, expanding opportunities for meaningful collaboration on the Moon and Mars. Continue the process of transitioning the International Space Station to commercial replacements in 2030, focusing onboard research on efforts critical to the exploration of the Moon and Mars. The budget reflects the upcoming transition to a more cost-effective, open commercial approach to human activities in low Earth orbit by reducing the space station’s crew size and onboard research, preparing for the safe decommissioning of the station and its replacement by commercial space stations. Work to minimize duplication of efforts and most efficiently steward the allocation of American taxpayer dollars. This budget ensures NASA’s topline enables a financially sustainable trajectory to complete groundbreaking research and execute the agency’s bold mission. Focus NASA’s resources on its core mission of space exploration. This budget ends climate-focused “green aviation” spending while protecting the development of technologies with air traffic control and other U.S. government and commercial applications, producing savings. This budget also will ensure continued elimination any funding toward misaligned DEIA initiatives, instead designating that money to missions capable of advancing NASA’s core mission. NASA will continue to inspire the next generation of explorers through exciting, ambitious space missions that demonstrate American leadership in space. NASA will coordinate closely with its partners to execute these priorities and investments as efficiently and effectively as possible.
Building on the President’s promise to increase efficiency this budget pioneers a focused, innovative, and fiscally-responsible path to America’s next great era of human space exploration.
Learn more about the President’s budget request for NASA:
https://www.nasa.gov/budget
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Bethany Stevens
Headquarters, Washington
771-216-2606
bethany.c.stevens@nasa.gov
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Last Updated May 02, 2025 EditorJennifer M. DoorenLocationNASA Headquarters Related Terms
Budget & Annual Reports View the full article
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