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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Gary Laier, center liaison for the Small Business Innovation Research/Small Business Technology Transfer (SBIR/STTR) program at NASA’s Armstrong Flight Research Center in Edwards, California, teaches students about aeronautics during Aero Fair at Tropico Middle School in Rosamond, California, on April 9, 2025.NASA/Genaro Vavuris When curiosity takes flight, learning knows no bounds. The impact of supporting STEM education extends far beyond the classroom, shaping the future of innovation and exploration. NASA Engages is the agency’s outreach website that connects NASA experts and resources with communities, educators, and students across the country. Led by NASA’s Office of STEM Engagement, the platform fosters collaboration between educators, organizations, and NASA employees to inspire the next generation.
Giovanna Camacho, Pathways systems engineering intern from NASA’s Armstrong Flight Research Center in Edwards, California, teaches students about aeronautics during Aero Fair at Tropico Middle School in Rosamond, California, on April 9, 2025.NASA/Genaro Vavuris Bringing NASA to the Classroom
NASA employees dedicate their time and expertise through NASA Engages, whether they’re passionate about robotics, flight research, or inspiring young minds to pursue STEM careers. One example of this is Aero Fair, a STEM program led by the California Office of STEM Engagement at NASA’s Armstrong Flight Research Center in Edwards, California. This initiative brings aeronautics directly to students, with NASA Armstrong professionals visiting classrooms – both in person and virtually – to engage students during three-day experiences that allow them to learn about aeronautics, meet NASA professionals, and explore potential career paths they might not have previously considered.
“When volunteers step up to help inspire and facilitate learning in the classroom, they are benefiting not only the students they interact with, but our future generation as well,” says Giovanna Camacho, Pathways systems engineering intern at NASA Armstrong, who volunteered at the event.
Chloe Day, a student at Tropico Middle School in Rosamond, California, said Aero Fair inspired her to consider a STEM career. “When NASA employees were talking about what they do and how they help our world today, it made me feel like I want to do it too.”
Educators can request an Aero Fair experience through NASA’s STEM Gateway. These programs “give students a chance to see themselves as real problem-solvers and innovators,” said Shauna Tinich, a Tropico Middle School teacher. “The most beneficial part of Aero Fair is the real-world connection to STEM. The connection to NASA makes it real and exciting for the students.”
Students from Tropico Middle School in Rosamond, California, build their own paper planes as part of a project during NASA Aero Fair on April 9, 2025.NASA/Genaro Vavuris A Program for Impact
The NASA Engages website matches outreach opportunities to employee skills and interests, while educators and community organizations can use the website to request public speakers, classroom visits, and educational support at events.
For many volunteers, the experience is just as inspiring as it is for the students. “Every time I volunteer, I walk out inspired,” Camacho said. “It motivates me to continue my pursuit of making a difference.”
Gary Laier, center liaison for the Small Business Innovation Research and Small Business Technology Transfer programs at NASA Armstrong, and Aero Fair volunteer, agreed: “It’s a rewarding experience for students, teachers, and NASA volunteers alike. I enjoy the opportunity to inspire youth and get them excited about their futures.”
By participating in outreach activities like Aero Fair, career panels, or events, NASA employees not only help ignite curiosity and provide knowledge to students and the community but also strengthen NASA’s connection to the communities it serves.
Gary Laier, center liaison for the Small Business Innovation Research/Small Business Technology Transfer (SBIR/STTR) program at NASA’s Armstrong Flight Research Center in Edwards, California, teaches students about aeronautics during Aero Fair at Tropico Middle School in Rosamond, California, on April 9, 2025.NASA/Genaro Vavuris Explore NASA STEM Opportunities
Educators, organizations, and community groups can connect with NASA in two ways. Through NASA Engages, external groups can request NASA support for their own events – such as inviting a NASA speaker or arranging classroom visits and providing outreach materials. Meanwhile, NASA STEM Gateway provides opportunities for individuals to participate in NASA-developed STEM events, internships, and programs like Aero Fair. To request NASA participation in an event or to learn more about NASA STEM opportunities, visit https://stemgateway.nasa.gov/nasaengages/s/.
Giovanna Camacho, Pathways systems engineering intern at NASA’s Armstrong Flight Research Center in Edwards, California, teaches students about aeronautics during Aero Fair at Tropico Middle School in Rosamond, California, on April 9, 2025.NASA/Genaro Vavuris Share
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Last Updated Apr 30, 2025 Related Terms
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By NASA
3 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
The C-20A aircraft, based at NASA’s Armstrong Flight Research Center in Edwards, California, flies over the Sierra Nevada Mountains in California for the Dense UAVSAR Snow Time (DUST) mission on Feb. 28, 2025. The DUST mission collected airborne data about snow water to help improve water management and reservoir systems on the ground.NASA/Starr Ginn As part of a science mission tracking one of Earth’s most precious resources – water – NASA’s C-20A aircraft conducted a series of seven research flights in March that can help researchers track the process and timeline as snow melts and transforms into a freshwater resource. The agency’s Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) installed on the aircraft collected measurements of seasonal snow cover and estimate the freshwater contained in it.
“Seasonal snow is a critical resource for drinking water, power generation, supporting multi-billion dollar agricultural and recreation industries,” said Starr Ginn, C-20A project manager at NASA’s Armstrong Flight Research Center in Edwards, California. “Consequently, understanding the distribution of seasonal snow storage and subsequent runoff is essential.”
The Dense UAVSAR Snow Time (DUST) mission mapped snow accumulation over the Sierra Nevada mountains in California and the Rocky Mountains in Idaho. Mission scientists can use these observations to estimate the amount of water stored in that snow.
Peter Wu, radar operator from NASA’s Jet Propulsion Laboratory in Southern California, observes data collected during the Dense UAVSAR Snow Time (DUST) mission onboard NASA’s C-20A aircraft on Feb. 28, 2025. The C-20A flew from NASA’s Armstrong Flight Research Center in Edwards, California, over the Sierra Nevada Mountains to collect data about snow water.NASA/Starr Ginn “Until recently, defining the best method for accurately measuring snow water equivalent (SWE) – or how much and when fresh water is converted from snow – has been a challenge,” said Shadi Oveisgharan, principal investigator of DUST and scientist at NASA’s Jet Propulsion Laboratory in Southern California. “The UAVSAR has been shown to be a good instrument to retrieve SWE data.”
Recent research has shown that snow properties, weather patterns, and seasonal conditions in the American West have been shifting in recent decades. These changes have fundamentally altered previous expectations about snowpack monitoring and forecasts of snow runoff. The DUST mission aims to better track and understand those changes to develop more accurate estimates of snow-to-water conversions and their timelines.
“We are trying to find the optimum window during which to retrieve snow data,” Oveisgharan said. “This estimation will help us better estimate available fresh snow and manage our reservoirs better.”
The Dense UAVSAR Snow Time (DUST) mission team assembles next to the C-20A aircraft at NASA’s Armstrong Flight Research Center in Edwards, California, on Feb. 28, 2025. From left, radar operator Adam Vaccaro, avionics lead Kelly Jellison, C-20A project manager Starr Ginn, pilot Carrie Worth, pilot Troy Asher, aircraft mechanic Eric Apikian, and operations engineer Ian Elkin.NASA/Starr Ginn The DUST mission achieved a new level of snow data accuracy, which is partly due to the specialized flight paths flown by the C-20A. The aircraft’s Platform Precision Autopilot (PPA) enables the team to fly very specific routes at exact altitudes, speeds, and angles so the UAVSAR can more precisely measure terrain changes.
“Imagine the rows made on grass by a lawn mower,” said Joe Piotrowski Jr., operations engineer for NASA Armstrong’s airborne science program. “The PPA system enables the C-20A to make those paths while measuring terrain changes down to the diameter of a centimeter.”
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Last Updated Apr 24, 2025 EditorDede DiniusContactErica HeimLocationArmstrong Flight Research Center Related Terms
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
A Boeing-built X-66 full-span model underwent testing in the 11-Foot Transonic Unitary Plan Facility at NASA’s Ames Research Center in California’s Silicon Valley between January and March 2025.NASA / Brandon Torres NASA and Boeing are currently evaluating an updated approach to the agency’s Sustainable Flight Demonstrator project that would focus on demonstrating thin-wing technology with broad applications for multiple aircraft configurations.
Boeing’s proposed focus centers on a ground-based testbed to demonstrate the potential for long, thin-wing technology. Work on the X-66 flight demonstrator – which currently incorporates a more complex transonic truss braced wing concept that uses the same thin wing technology as well as aerodynamic, structural braces — would pause for later consideration based on the thin-wing testbed results and further truss-braced configuration studies.
Under this proposal, all aspects of the X-66 flight demonstrator’s design, as well as hardware acquired or modified for it, would be retained while the long, thin-wing technology is being investigated with more focus. NASA and Boeing would also continue to collaborate on research into the transonic truss-braced wing concept.
The proposal is based on knowledge gained through research conducted under the Sustainable Flight Demonstrator project so far.
Since NASA issued the Sustainable Flight Demonstrator award in 2023, the project has made significant progress toward its goal of informing future generations of more sustainable commercial airliners. Boeing and NASA have collaborated on wind tunnel tests, computational fluid dynamics modeling, and structural design and analysis aimed at exploring how best to approach fuel-efficient, sustainable designs.
This research has built confidence in the substantial potential energy-savings benefits that technologies investigated through the Sustainable Flight Demonstrator project and other NASA research can make possible. The Boeing proposal identifies the thin-wing concept as having broad applications for potential incorporation into aircraft with and without truss braces.
NASA and Boeing are discussing potential options for advancing these sustainable flight technologies. NASA’s ultimate goal for this sustainable aircraft research is to achieve substantial improvements for next-generation airliner efficiency, lower costs for travelers, reduced fuel costs and consumption, and increase U.S. aviation’s technological leadership.
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Last Updated Apr 24, 2025 EditorLillian GipsonContactRobert Margettarobert.j.margetta@nasa.gov Related Terms
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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Spectrum is a shared resource. Since the discovery of radio waves and the invention of the telegraph, humanity has exponentially increased its use of the radio frequency (RF) spectrum. Consider how many wireless devices are around you right now. You’re probably reading this on a smartphone or laptop connected to the internet through Wi-Fi or 5G. You might be listening to music on Bluetooth headphones. If you are in a car or bus, the driver may be using signals from GPS satellites. To meet this increasing need, RF engineers and regulators continue to develop ways to enable users to share the same frequencies at the same time in the same place — think of modern cell phone technology. Avoiding or lessening interference between users requires regulators and users alike to maintain and enforce the ‘rules of the road’ that describe who can use which frequencies where, when, and how. NASA, like all other users, must comply with these regulations and collaborate with other users to ensure our use of the RF spectrum can continue and evolve.
Just as architects design taller buildings to accommodate more residences on the same plot of land, radio frequency engineers design methods to allow more users on the same frequency, at the same place and time.NASA Supporting and Protecting NASA’s Spectrum Users
NASA’s spectrum professionals work with users early in the project planning phase to understand the type, location, and duration of their data, and in turn determine what kind of antennas, transmitters, and receivers will be required. With that information, a spectrum manager helps to define the spectrum requirements, such as bandwidths, modulation, and other technical characteristics of the radio signals to be used. Understanding a project’s objectives helps define the appropriate service allocation and potential frequency ranges.
Once these spectrum requirements are determined, NASA’s spectrum professionals work with other relevant spectrum users within and beyond NASA to coordinate the use of the spectrum.
In the unfortunate event of harmful RF interference, working to identify, resolve, and report the interference is another critical function of NASA’s spectrum professionals. For example as Jeff Hayes — NASA’s current SCaN (Space Communications and Navigation) Program liaison to the Science Mission Directorate and the former program executive for operating missions in the Heliophysics and Astrophysics Divisions — recounts, “The NICER (Neutron Star Interior Composition Explorer) observatory did actually experience bouts of RF interference over certain parts of the world. As NICER uses GPS to understand where it is pointing to in the sky, interference can make the location information of the source imprecise, and that impacts the quality of the data collected. That data could potentially be attributed to the wrong star.”
When NASA identifies interference to a mission like NICER or to a device at an agency center or facility, NASA center and facility spectrum managers work to identify, resolve, and report the interference.
Identifying and reporting sources of interference helps to raise awareness of the impacts and causes of interference. When the sources of interference are international, which is especially common for space systems like NICER, SCaN’s spectrum management team works with U.S. regulators to report the incident to international regulators. These interference reports can be used to advocate for regulatory protections that help ensure the integrity of valuable science data and the safety of human spaceflight activities.
Advocating for NASA’s Current and Future Spectrum Use
NASA’s spectrum analysts and engineers perform analyses and simulations to support spectrum planning and management activities. For example, passive remote sensing instruments like the radiometer on the Soil Moisture Active Passive mission detect natural energy (radiation) emitted or reflected by an object or scene being observed. This energy is much fainter than human-generated radio signals and require highly sensitive radiometers that are susceptible to interference from more powerful signals. The spectrum management team works to ensure regulatory protections are in place and followed to ensure the integrity of NASA’s scientific missions.
Sometimes NASA’s future missions envision new ways and places to use radio waves. For example, when NASA’s Artemis campaign began taking steps to return humans to the Moon, SCaN’s spectrum professionals began working with other stakeholders to develop a RF architecture that enables the use of radio waves for science data, communications, positioning, navigation, and timing while also limiting the risk of interference with systems on or orbiting Earth. NASA’s spectrum professionals further the agency’s spectrum management goals and objectives by analyzing potential changes in international or domestic regulations and proposing technical solutions that promote collaborative spectrum use with both foreign and domestic partners.
NASA’s technical expertise is critical to ensuring domestic and international regulators are well informed as they develop new or revised regulations that effectively enable the exciting innovation and exploration central to NASA’s mission.
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Last Updated Apr 23, 2025 Related Terms
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By NASA
1 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
ECF 2024 Quadchart Boles.pdf
Jessica Boles
University of California, Berkeley
This project will develop piezoelectric-based power conversion for small power systems on the lunar surface. These piezoelectric systems can potentially offer high power density to significantly reduce size, weight, and cost. They can also offer high efficiency as well as resistance to the extreme lunar environment with its expected prolonged exposure to extreme cold and radiation. The effort will build and test prototype piezoelectric DC-to-DC power converters and DC-to-DC power supplies.
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Last Updated Apr 18, 2025 EditorLoura Hall Related Terms
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