Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s X-59 eXternal Vision System shows Mach 1.077 on Friday, June 5, 2026, marking the aircraft’s first time reaching supersonic speed in support of NASA’s Quesst mission. The moment represents a milestone for the aircraft as it transitions to include test flights faster than the speed of sound.
NASA
NASA’s experimentalX-59 aircraft marked a major milestone Friday, June 5, when it flew faster than the speed of sound for the first time, setting the stage for demonstrating its quiet supersonic capabilities later this year.
NASA test pilot Jim “Clue” Less took off and landed at Edwards Air Force Base in California, reaching a top speed of approximately Mach 1.1 (713 mph) and altitude of 43,400 feet. The X-59’s flight began at 11:08 a.m. PDT and lasted 81 minutes, with the team focusing on flying qualities at both subsonic and then supersonic speeds.
In the coming days, we expect to take the next step and push to Mach 1.4
jared isaacman
NASA Administrator
”X-59 is getting ready for its quiet supersonic debut. Since the aircraft’s first flight on Oct. 28, 2025, the team has made tremendous progress, flying 16 times in the last 90 days and getting into a steady test rhythm. In the coming days, we expect to take the next step and push to Mach 1.4,” said NASA Administrator Jared Isaacman “I’m grateful to the NASA team and Lockheed Martin Skunk Works for their help getting us to this point, and I hope this is the first of many collaborations as we rebuild NASA’s X-plane portfolio.”
The X-59 is designed to fly at supersonic speeds while creating only a quiet thump instead of a loud sonic boom. For this flight, a NASA F‑15 chase plane flew nearby to monitor the X‑59. The loud sonic booms from the F-15 obscured any sound made by the X-59.
“The X-59’s first supersonic flight is a testament to America’s enduring leadership in science, engineering, and aerospace innovation,” said Michael Kratsios, Assistant to the President for Science and Technology and Director of the Office of Science and Technology Policy. “This achievement comes as the Trump Administration continues work to unleash supersonic flight and enable American ingenuity.”
This first supersonic flight is a significant milestone, but an event even more critical to the mission is upcoming. In just days, the aircraft is expected to make its first “mission conditions” flight, reaching a cruising speed of Mach 1.4 (925 mph) and altitude of approximately 55,000 feet. The X-59 also will be accompanied by a chase plane for this flight.
NASA’s X-59 quiet supersonic research aircraft completed its first supersonic flight Friday, June 5, 2026, marking the first time the aircraft exceeded the speed of sound in support of NASA’s Quesst mission. The milestone represents a major step in flight testing as the aircraft expands into the supersonic portion of its flight envelope.
NASA / Lori Losey
This speed and altitude are the base conditions for the X-59 when it will eventually fly over several U.S. communities enabling NASA to gather data about how people may perceive its quiet thump. NASA will share this data with U.S. and international regulators to help establish new data-driven noise standards to enable a future viable market for supersonic commercial flight over land.
For the last several months, the X-59 has been participating in an ongoing series of flights where the plane has been flying at a wide range of speeds and altitudes – a process known as envelope expansion. These tests are the first phase of the X-59’s flight testing. They are focused on performance and involve chase plane monitoring. When the aircraft completes this phase it will enter another, focused on its sound profile in order to verify its quiet thump capability.
The X-59 is the centerpiece of NASA’s Quesst mission, which aims to demonstrate quiet supersonic flight and help enable commercial supersonic flight over land worldwide. These advancements will help travelers reach their preferred destinations faster, spending less time in the air.
Through Quesst’s development of the X-59, NASA also will deliver design tools and technology for quiet supersonic airliners that will achieve the high speeds desired by commercial operators without disturbing people on the ground. NASA will validate design tools through ground and flight testing, providing U.S. aircraft manufacturers the ability to explore new quiet supersonic concepts, and provide them with confidence that their resulting designs will meet quiet flight requirements.
NASA’s X-59 quiet supersonic research aircraft completed its first supersonic flight Friday, June 5, 2026, marking the first time the aircraft exceeded the s...
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Students from Cornell University are shown working with an air transportation management tool in which a real drone flying over a remote field thinks its operating with imaginary drones flying in a simulated urban environment. Their work is the result of a NASA grant that is part of the agency’s University Student Research Challenge.
Cornell University / Mehrnaz Sabet
A team of Cornell University students are turning heads within industry and the federal government with the results of their research into creating a national air transportation management system in which thousands of drones could safely operate together.
NASA is sponsoring their work through the University Student Research Challenge (USRC), which provides grants to college students interested in helping the agency realize its aeronautical research goals.
“Looking at new traffic management systems for drones is not new,” said Mehrnaz Sabet, a doctoral student in the field of information science who serves as principal investigator on the grant and leads the Cornell team. “In fact, NASA has led that effort for years.”
Now, through USRC, NASA is giving Sabet and her team the chance to offer up innovative approaches to drone safety by managing their movements in the air, taking advantage of their young minds and fresh ideas.
The ultimate benefit of Cornell’s research in this area is the full realization of advanced air mobility, an area of industry focus that includes everything from urban flying taxis, more robust disaster response aircraft, and hot fresh pizza delivered right to your door.
The work also underscores the value NASA places on maturing cutting-edge technologies and helping to develop its future workforce through initiatives like USRC.
“Sabet and her team have demonstrated versatile skills involving software, algorithms, hardware, sensors development, laboratory tests, simulations, and actual flight tests – a rare combination,” said Parimal Koperdekar, acting director of NASA’s Airspace Operations and Safety Program.
Flying drones like we drive
Currently, drone operators must file plans that fully describes the intended flight path of the drone with a traffic management service. Those plans are checked with others to ensure there will be no collisions – what Sabet calls strategic deconfliction.
The challenge is that today’s air traffic management system is limited in its ability to handle the growing number of aircraft taking to the sky. Adding thousands of drones to the mix during the coming years risks over burdening the system, Sabet said.
What is needed in the air is essentially what we have on the ground – where millions of people drive on a road every day, she said.
As a driver you might know your whole “trajectory,” or the path you’d follow to reach your destination. But you would never coordinate your plan with every other driver on the road before you leave. Instead, traffic laws and infrastructure such as stop lights and traffic signs allow you to deconflict with other cars as you go.
Drone operators will still have to file flight plans saying where they intend to go, but the idea is to incorporate that car-like flexibility into drone operating systems, allowing them to be adaptable during their journeys.
“We need to ensure all these different types of drones can tactically deconflict with each other so that it is safe for them to operate like cars do on the ground. And that missing piece – tactical deconfliction – is at the center of our project,” Sabet said.
Mehrnaz Sabet, a doctoral candidate in the field of information science at Cornell University, leads a student team testing technologies used in a drone traffic management system under a grant from NASA’s University Student Research Challenge, She is seen during a drone traffic simulation exercise taking place in a rural field.
Cornell University
Two worlds joined
The key to the Cornell team’s research is the notion of integrating a simulated world with the real one to test and demonstrate how drones can learn to adapt to potentially hazardous conditions and make necessary corrections in their flight path on their own.
Knowing they could not go out and fly 100 drones at the same time to test their ideas for tactical deconfliction, the students decided to create an entirely virtual urban world to evaluate different high-volume traffic models, separation algorithms, and related data.
“Our first year of the project went into adapting and scaling that simulation engine and it all went very well,” Sabet said. “But we didn’t want to stick to a simulation. We wanted to see how the simulation translated to the real world, which mattered more.”
Still hampered by the limitations of how many drones they could operate and where they could fly – not many and basically in the middle of nowhere – they sought the best of both worlds, real and imagined.
“What we wound up doing was to embed the simulation into a real drone, so the drone thought it was flying in a dense urban environment although it was actually flying out in an open field where there wasn’t a real city in sight,” Sabet said.
before
after
A drone designed and built by Cornell University students hovers over an open field during a test of air traffic management system technologies in which the drone “thinks” its flying within an urban environment. The goal is to prove a system in which drones can safely react to unforeseen events and avoid each other in the sky without human intervention.
Cornell University
Several drones appear in a Cornell University computer graphic simulation of an urban environment in which an air traffic management system is tested to show how the drones can safely alter course on their own to avoid colliding.
Cornell University
A drone designed and built by Cornell University students hovers over an open field during a test of air traffic management system technologies in which the drone “thinks” its flying within an urban environment. The goal is to prove a system in which drones can safely react to unforeseen events and avoid each other in the sky without human intervention.
Cornell University
Several drones appear in a Cornell University computer graphic simulation of an urban environment in which an air traffic management system is tested to show how the drones can safely alter course on their own to avoid colliding.
Cornell University
before
after
drone flight test
Combing real and simulated worlds
The image at left (BEFORE) shows a Cornell University student-designed and built drone flying in the open above an isolated, rural field. The image at right (AFTER) shows the simulated urban environment the real drone “thinks” its flying in as it calculates all the imaginary drones’ flight paths (the blue and yellow lines) to find the best trajectory to safely avoid a collision. This combining of real and simulated worlds allows the drone to safely test its traffic avoidance technologies.
Real world lessons
This allowed the team to try out different traffic management tools and evaluate how drones might coordinate course corrections and avoid collisions with each other.
During the past year, they’ve taken the idea further by flying two real drones in the real world, each running the real-time simulation on board, allowing them to coordinate and “see” both simulated traffic and each other within the integrated test environment.
“We would then intentionally put them on a direct collision course to stress-test the detect and avoid and coordination models and see how well they react and coordinate the drone’s maneuvers to avoid hitting each other,” Sabet said.
“What’s impressive is that Cornell’s study included over 10,000 runs involving more than one million trajectories, and over 200,000 hours of experimentation to understand how multi-agent decentralized coordination would safely take place,” Kopardekar said.
Industry and the Federal Aviation Administration have also responded positively to this research and its potential. The team was asked to use its infrastructure and technology to virtually recreate an incident in 2025 in which a pair of drones collided with a stationary crane in Arizona. The team also showed how the accident could have been prevented.
The team was also asked to simulate recent, real-world fires in California to showcase how drones could better coordinate their movements both to provide situational awareness for public safety officials on the ground and to stay clear of fire-suppressing air tankers.
And according to the Cornell team, the FAA is interested in applying the project’s mix of virtual and real-world testing to evaluate drone operations under increasing levels of operational complexity.
“This kind of mixed-reality type of operational complexity enables them to test drone operations in a way that was not possible before,” Sabet said.
Thanks to NASA’s support through USRC, the Cornell team will continue to expand their capabilities and manage increasingly complex advanced air mobility operations.
“Our goal is to build the foundational systems that enable safe, large-scale autonomy in the skies,” Sabet said.
Jim Banke is a veteran aviation and aerospace communicator with more than 40 years of experience as a writer, producer, consultant, and project manager based at Cape Canaveral, Florida. He is part of NASA Aeronautics' Strategic Communications Team and is Managing Editor for the Aeronautics topic on nasa.gov. In 2007 he was recognized with a Distinguished Public Service Medal, NASA's highest honor for a non-government employee.
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s X-59 quiet supersonic airplane sits parked in front of its new hangar home at the agency’s Armstrong Flight Research Center in California. The facility originally was constructed in 1968 and for nearly 60 years has hosted a number of research aircraft and programs.
NASA/Christopher LC Clark
There’s no sign reading “home sweet home” in the hangar where the X‑59 now sits, but the sentiment is unmistakable among those tending to the quiet supersonic aircraft.
Located at NASA’s Armstrong Flight Research Center in Edwards, California, the X-59 hangar was built in 1968 but looks like new thanks to a full renovation and modernization. While the X-59 was being assembled in Palmdale, California, workers at NASA Armstrong gutted the hangar, adding new electrical wiring, a fire suppression system, office space, air conditioning, and other safety features.
“The whole team is incredibly proud of what we’ve accomplished in preparing this new home for the X-59,” said Bryan Watters, the NASA project manager at Armstrong who led the renovation effort. “The fact we could take a 1960s hangar and modernize it for use by a 2020’s X-plane is very special.”
The X-59 is the centerpiece of NASA’s Quesst mission to enable a new era of commercial supersonic air travel over land by reducing the sound of typically loud sonic booms to a much quieter sonic thump.
From the beginning of the program, knowing the X-59 would eventually need a new residence at NASA Armstrong, Quesst managers were on the hunt for somewhere to house the quiet supersonic demonstrator.
Like anyone looking for the ideal place to call home, the team made sure there would be enough space for the airplane and all its support equipment. But with the experimental jet measuring at just under 100 feet long and 30 feet wide, there were few options.
“We had to find a hangar that was long enough so that part of the X-59 wouldn’t hang outside, exposed to the elements,” Watters said.
Building 4826, as the hangar is officially designated, turned out to be the choice spot. “It was basically stripped down and gutted so that essentially it was just structural steel with siding. From that state it was rebuilt,” Watters said.
The feature they are perhaps most proud of is the hangar’s new floor. Covering more than 32,000 square feet, it is coated with epoxy that prevents any spills from seeping into the concrete.
From the hangar’s office windows, the view of the hangar floor can include the F-15 research jets that will be used as chase planes to support X-59 flights in the coming months. The renovation faced challenges along the way, chief among them being supply chain issues stemming from the COVID-19 pandemic. But there were some incredible, unforgettable moments too.
Circa 1990
Nov. 2025
On loan to NASA from the Air Force, an F-15 Eagle fighter jet was the focus of the Short Takeoff and Landing/Maneuver Technology Demonstrator research program, which concluded in 1991. The aircraft is seen here inside Building 4826, a hangar at NASA’s Armstrong Flight Research Center that was renovated and began use in 2025 as home for the X-59 quiet supersonic technology demonstrator.
NASA
NASA’s X-59 quiet supersonic technology demonstrator aircraft is seen parked inside its new hangar home at the agency’s Armstrong Flight Research Center in California.
NASA/Christopher LC Clark
On loan to NASA from the Air Force, an F-15 Eagle fighter jet was the focus of the Short Takeoff and Landing/Maneuver Technology Demonstrator research program, which concluded in 1991. The aircraft is seen here inside Building 4826, a hangar at NASA’s Armstrong Flight Research Center that was renovated and began use in 2025 as home for the X-59 quiet supersonic technology demonstrator.
NASA
NASA’s X-59 quiet supersonic technology demonstrator aircraft is seen parked inside its new hangar home at the agency’s Armstrong Flight Research Center in California.
NASA/Christopher LC Clark
Circa 1990
Nov. 2025
past and present
Hangar Updated to Continue Hosting Historic Research
This NASA hangar at Armstrong Flight Research Center originally was constructed in 1968 and since then has hosted a number of history-making programs. Compare the two images above to see how the hangar looked during the late 1980s when it hosted an F-15 research aircraft (left), and beginning in 2025 after it had been renovated and modernized to host the X-59 quite supersonic technology demonstrator aircraft.
Moved in
With X-59 now flying regularly and comfortably settled into its new digs, the Quesst team is gauging its performance on the way to quiet supersonic flight.
“This is truly a great time for Quesst and the X-59,” said Cathy Bahm, NASA’s project manager for the Low Boom Flight Demonstrator. “It’s also still a little surreal to be able to just walk down from your office and see the airplane in our hangar.”
For more than a year, the hangar refurbishment team worked through every detail of the X-59’s new home to make sure it would be safe and sound. But actually seeing the aircraft occupy that space is an adjustment for them, too.
“We’ve looked at X-59 models on our desk for years and then, you know, there’s the real thing right in front of us, in a hangar that we renovated,” Watters said.
A real thing in the hangar – and streaking across the California desert sky. The X-59’s transition from an idea into a working aircraft is a testament to the teams that help build out every aspect of its infrastructure.
NASA’s X-59 is supported under the agency’s Aeronautics Research Mission Directorate.
About the Author
Jim Banke
Managing Editor/Senior Writer
Jim Banke is a veteran aviation and aerospace communicator with more than 40 years of experience as a writer, producer, consultant, and project manager based at Cape Canaveral, Florida. He is part of NASA Aeronautics' Strategic Communications Team and is Managing Editor for the Aeronautics topic on nasa.gov. In 2007 he was recognized with a Distinguished Public Service Medal, NASA's highest honor for a non-government employee.
In this episode of The Quiet Crew, you’ll meet civil engineer Bryan Watters and learn about his role on the Quesst mission. Bryan has been supporting the mis...
Preparations for Next Moonwalk Simulations Underway (and Underwater)
For 10 years, a NASA initiative has helped the agency produce breakthrough aeronautical innovations while fostering the aviation workforce of tomorrow – and the University Leadership Initiative (ULI) is still flying high, making awards with the potential to change 21st century air travel.
Through ULI, NASA has supported more than 1,100 students at 100 schools, allowing them to pursue advancements in top priority areas for U.S. aviation, including high-speed flight, advanced air mobility, future airspace management and safety, and electrified propulsion.
Many of those students have used their ULI experience as a springboard to careers in aviation. And many of their ideas — such as designing more efficient wings or building supersonic aircraft that can change shape in flight — are either being investigated further by industry or the technologies adopted outright.
As it celebrates a decade of success, NASA’s ULI team is looking forward to leveraging student innovations with new awards in 2026 and beyond.
“Through ULI we’re building the workforce of the future and fostering the skill sets we so desperately need to compete globally,” said John Cavolowsky, director of NASA’s Transformative Aeronautics Concepts Program at NASA Headquarters in Washington.
Through ULI we're building the workforce of the future and fostering the skill set we so desperately need to compete globally.
john cavolowsky
Director, Transformative Aeronautics Concepts Program
What makes ULI unique from other NASA research projects, and especially appealing to universities, is that it provides the opportunity for university students and faculty to propose what research to conduct.
Usually, NASA determines the research it needs and then does the work itself or through partnerships and contracts. But with ULI, the agency shares its goals and universities consider how they can best help realize them.
“There are no better ways in my mind to help develop that talent within the students than to engage them in identifying big problems and then give them the resources they need to use their creativity to solve them,” Cavolowsky said.
ULI history
NASA’s relationship with academia and reliance on its research proficiency is written into NASA’s DNA going back to the days of the National Advisory Committee for Aeronautics, from which NASA was formed in 1958.
“For more than a century we have leaned on the brilliance and the capabilities of universities to help us think,” Cavolowsky said. “With ULI we can ensure they continue to bring their fresh ideas and young energy to the work we do at NASA Aeronautics.”
ULI evolved from an earlier project called Leading Edge Aeronautics Research for NASA (LEARN). NASA selected five LEARN teams in 2015 to pursue truly outside of the box ideas that showed promise but needed additional study.
One of those teams, for example, sought to take a cue from migrating flocks of birds by asking if airliners could save fuel by cruising in a giant ‘V’ formation. The numbers were intriguing and simple flight tests proved the concept, although the idea never made it to practice.
One of the earliest selected ULI teams was led by James Coder, who at the time was an aerospace engineering professor at the University of Tennessee in Knoxville. His team worked on technology that would smooth the airflow around a wing to make it more efficient.
Technically known as slotted natural laminar flow (SNLF) wings, Coder has called the idea a potential game changer for commercial airliners. The more efficient wing would mean less drag on an airplane, which in turn could help airlines save money on fuel.
Coder credits ULI for not only helping to prove the technology’s effectiveness – with the aid of wind tunnel testing at NASA’s Ames Research Center in California – but for providing students with an experience they couldn’t get elsewhere.
Three University of Tennessee/Knoxville students and co-investigator Dan Somers (in red jacket) prepare a slotted laminar flow wing section for testing in a wind tunnel at NASA’s Ames Research Center in California.
University of Tennessee/Knoxville
“After 10 years industry remains interested in the SNLF technology and I am optimistic for good reason about its future,” Coder said. “And project alumni have gone on to do many wonderful things and leverage what they did and learned through the ULI.”
With ULI experience prominent on their resumes, several of the students on Coder’s team wound up with jobs in industry – such as Boeing and Lockheed Martin – and government labs. One is currently a NASA Pathways intern working on his PhD.
Now at Pennsylvania State University, Coder remains a strong advocate for ULI.
“It goes above and beyond simple workforce development,” he said. “We recognized early on the value-add of ULI is the students themselves. While we could have just trained students en masse, we wanted to put them in the front seat of technical leadership on the project. I think this was a very successful strategy that benefited the project and the students as they embarked on their careers.”
Mighty morphing
Forrest Carpenter is another example of a student whose ULI support led to work after graduation – in this case at NASA.
“Working on the ULI project was an incredible experience, one I will always be thankful for and will remember fondly,” Carpenter said. “I think the project challenged me to be something more than ‘just an engineer;’ really helping my professional development and giving me a clearer focus on my passion.”
As a student at Texas A&M, he was part of a team selected by NASA in 2017 to research a novel idea in which a supersonic aircraft could alter its shape to fly more efficiently based on the atmospheric conditions in real time. Dimitris Lagoudas, now the university’s interim department head for aerospace engineering, led the team.
Members of a University Leadership Initiative round one team led by Texas A&M University participate in a status update meeting with NASA prior to their final review in 2022.
Texas A&M University / Jonathan Weaver-Rosen
A laser shooting out ahead of the aircraft would take measurements of the oncoming air and then the aircraft’s computer would command patches of shape memory alloys and other mechanisms to morph the aircraft’s outer shape.
One possible application of the technology could be in contributing to the reduction of the loudness of a sonic boom, expanding on the science behind NASA’s X-59 quiet supersonic technology demonstrator that seeks to reduce the sonic boom to a sonic thump.
“My main research role on the team was performing Computational Fluid Dynamics simulations of the various geometries we were looking at, including a pre-production version of X-59,” Carpenter said.
His work on the idea continues. A follow-on NASA project, GoSWIFT, will flight test the core technologies Carpenter and his ULI team worked on at Texas A&M. Only this time, Carpenter is the co-lead for the tests, which are targeted to take place at NASA’s Armstrong Flight Research Center in California in the near future.
Carpenter’s enthusiasm for his work and gratitude for how ULI led to his career with NASA resonates with many other ULI alumni.
“The number of students impacted, and how they were impacted, by a long-term project like ULI is huge,” Carpenter said. “NASA’s involvement in this kind of activity can only strengthen the research done in this country and to help inspire and develop the next generation of our workforce.”
Jim Banke is a veteran aviation and aerospace communicator with more than 40 years of experience as a writer, producer, consultant, and project manager based at Cape Canaveral, Florida. He is part of NASA Aeronautics' Strategic Communications Team and is Managing Editor for the Aeronautics topic on nasa.gov. In 2007 he was recognized with a Distinguished Public Service Medal, NASA's highest honor for a non-government employee.
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