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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
A Massachusetts Institute of Technology Lincoln Laboratory pilot controls a drone during NASA’s In-Time Aviation Safety Management System test series in collaboration with a George Washington University team July 17-18, 2024, at the U.S. Army’s Fort Devens in Devens, Massachusetts. MIT Lincoln Laboratory/Jay Couturier From agriculture and law enforcement to entertainment and disaster response, industries are increasingly turning to drones for help, but the growing volume of these aircraft will require trusted safety management systems to maintain safe operations.
NASA is testing a new software system to create an improved warning system – one that can predict hazards to drones before they occur. The In-Time Aviation Safety Management System (IASMS) will monitor, assess, and mitigate airborne risks in real time. But making sure that it can do all that requires extensive experimentation to see how its elements work together, including simulations and drone flight tests.
“If everything is going as planned with your flight, you won’t notice your in-time aviation safety management system working,” said Michael Vincent, NASA acting deputy project manager with the System-Wide Safety project at NASA’s Langley Research Center in Hampton, Virginia. “It’s before you encounter an unusual situation, like loss of navigation or communications, that the IASMS provides an alert to the drone operator.”
The team completed a simulation in the Human-Autonomy Teaming Laboratory at NASA’s Ames Research Center in California’s Silicon Valley on March 5 aimed at finding out how critical elements of the IASMS could be used in operational hurricane relief and recovery.
During this simulation, 12 drone pilots completed three 30-minute sessions where they managed up to six drones flying beyond visual line of sight to perform supply drops to residents stranded after a severe hurricane. Additional drones flew scripted search and rescue operations and levee inspections in the background. Researchers collected data on pilot performance, mission success, workload, and perceptions of the experiences, as well as the system’s usability.
This simulation is part of a longer-term strategy by NASA to advance this technology. The lessons learned from this study will help prepare for the project’s hurricane relief and recovery flight tests, planned for 2027.
As an example of this work, in the summer of 2024 NASA tested its IASMS during a series of drone flights in collaboration with the Ohio Department of Transportation in Columbus, Ohio, and in a separate effort, with three university-led teams.
For the Ohio Department of Transportation tests, a drone flew with the NASA-developed IASMS software aboard, which communicated back to computers at NASA Langley. Those transmissions gave NASA researchers input on the system’s performance.
Students from the Ohio State University participate in drone flights during NASA’s In-Time Aviation Safety Management System test series in collaboration with the Ohio Department of Transportation from March to July 2024 at the Columbus Aero Club in Ohio. NASA/Russell Gilabert NASA also conducted studies with The George Washington University (GWU), the University of Notre Dame, and Virginia Commonwealth University (VCU). These occurred at the U.S. Army’s Fort Devens in Devens, Massachusetts with GWU; near South Bend, Indiana with Notre Dame; and in Richmond, Virginia with VCU. Each test included a variety of types of drones, flight scenarios, and operators.
Students from Virginia Commonwealth University walk toward a drone after a flight as part of NASA’s In-Time Aviation Safety Management System (IASMS) test series July 16, 2024, in Richmond, Virginia. NASA/Dave Bowman Each drone testing series involved a different mission for the drone to perform and different hazards for the system to avoid. Scenarios included, for example, how the drone would fly during a wildfire or how it would deliver a package in a city. A different version of the NASA IASMS was used to fit the scenario depending on the mission, or depending on the flight area.
Students from the University of Notre Dame prepare a small drone for takeoff as part of NASA’s In-Time Aviation Safety Management System (IASMS) university test series, which occurred on August 21, 2024 in Notre Dame, Indiana.University of Notre Dame/Wes Evard When used in conjunction with other systems such as NASA’s Unmanned Aircraft System Traffic Management, IASMS may allow for routine drone flights in the U.S. to become a reality. The IASMS adds an additional layer of safety for drones, assuring the reliability and trust if the drone is flying over a town on a routine basis that it remains on course while avoiding hazards along the way.
“There are multiple entities who contribute to safety assurance when flying a drone,” Vincent said. “There is the person who’s flying the drone, the company who designs and manufactures the drone, the company operating the drone, and the Federal Aviation Administration, who has oversight over the entire National Airspace System. Being able to monitor, assess and mitigate risks in real time would make the risks in these situations much more secure.”
All of this work is led by NASA’s System-Wide Safety project under the Airspace Operations and Safety program in support of the agency’s Advanced Air Mobility mission, which seeks to deliver data to guide the industry’s development of electric air taxis and drones.
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Last Updated Apr 02, 2025 EditorDede DiniusContactTeresa Whitingteresa.whiting@nasa.gov Related Terms
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By NASA
Explore This Section Perseverance Home Mission Overview Rover Components Mars Rock Samples Where is Perseverance? Ingenuity Mars Helicopter Mission Updates Science Overview Objectives Instruments Highlights Exploration Goals News and Features Multimedia Perseverance Raw Images Images Videos Audio More Resources Mars Missions Mars Sample Return Mars Perseverance Rover Mars Curiosity Rover MAVEN Mars Reconnaissance Orbiter Mars Odyssey More Mars Missions Mars Home 3 min read
Visiting Mars on the Way to the Outer Solar System
Written by Roger Wiens, Principal Investigator, SuperCam instrument / Co-Investigator, SHERLOC instrument at Purdue University
A portion of the “Sally’s Cove” outcrop where the Perseverance rover has been exploring. The radiating lines in the rock on the left of the image may indicate that it is a shatter cone, showing the effects of the shock wave from a nearby large impact. The image was taken by Mastcam-Z’s left camera on March 21, 2025 (Sol 1452, or Martian day 1,452 of the Mars 2020 mission) at the local mean solar time of 12:13:44. Mastcam-Z is a pair of cameras located high on the rover’s mast. This image was voted by the public as “Image of the week.” NASA/JPL-Caltech/ASU Recently Mars has had a few Earthly visitors. On March 1, NASA’s Europa Clipper flew within 550 miles (884 kilometers) of the Red Planet’s surface on its way out to Jupiter. On March 12, the European Space Agency’s Hera spacecraft flew within about 3,100 miles (5,000 kilometers) of Mars, and only 300 kilometers from its moon, Deimos. Hera is on its way to study the binary asteroid Didymos and its moon Dimorphos. Next year, in May 2026, NASA’s Psyche mission is scheduled to buzz the Red Planet on its way to the metal-rich asteroid 16 Psyche, coming within a few thousand kilometers.
Why all these visits to Mars? You might at first think that they’re using Mars as an object of opportunity for their cameras, and you would be partially right. But Mars has more to give these missions than that. The main reason for these flybys is the extra speed that Mars’ velocity around the Sun can give them. The idea that visiting a planet can speed up a spacecraft is not all that obvious, because the same gravity that attracts the spacecraft on its way towards the planet will exert a backwards force as the spacecraft leaves the planet.
The key is in the direction that it approaches and leaves the planet. If the spacecraft leaves Mars heading in the direction that Mars is traveling around the Sun, it will gain speed in that direction, slingshotting it farther into the outer solar system. A spacecraft can typically gain several percent of its speed by performing such a slingshot flyby. The closer it gets to the planet, the bigger the effect. However, no mission wants to be slowed by the upper atmosphere, so several hundred kilometers is the closest that a mission should go. And the proximity to the planet is also affected by the exact direction the spacecraft needs to go when it leaves Mars.
Clipper’s Mars flyby was a slight exception, slowing down the craft — by about 1.2 miles per second (2 kilometers per second) — to steer it toward Earth for a second gravity assist in December 2026. That will push the spacecraft the rest of the way to Jupiter, for its 2030 arrival.
While observing Mars is not the main reason for their visits, many of the visiting spacecraft take the opportunity to use their cameras either to perform calibrations or to study the Red Planet and its moons.
During Clipper’s flyby over sols 1431-1432, Mastcam-Z was directed to watch the skies for signs of the interplanetary visitor. Clipper’s relatively large solar panels could have reflected enough sunlight for it to be seen in the Mars night sky, much as we can see satellites overhead from Earth. Unfortunately, the spacecraft entered the shadow of Mars just before it came into potential view above the horizon from Perseverance’s vantage point, so the sighting did not happen. But it was worth a try.
Meanwhile, back on the ground, Perseverance is performing something of a cliff-hanger. “Sally’s Cove” is a relatively steep rock outcrop in the outer portion of Jezero crater’s rim just north of “Broom Hill.” Perseverance made an approach during March 19-23, and has been exploring some dark-colored rocks along this outcrop, leaving the spherules behind for the moment. Who knows what Perseverance will find next?
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Last Updated Mar 28, 2025 Related Terms
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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
The Starling swarm’s extended mission tested advanced autonomous maneuvering capabilities.NASA/Daniel Rutter As missions to low Earth orbit become more frequent, space traffic coordination remains a key element to efficiently operating in space. Different satellite operators using autonomous systems need to operate together and manage increasing workloads. NASA’s Starling spacecraft swarm recently tested a coordination with SpaceX’s Starlink constellation, demonstrating a potential solution to enhance space traffic coordination.
Led by the Small Spacecraft Technology program at NASA’s Ames Research Center in California’s Silicon Valley, Starling originally set out to demonstrate autonomous planning and execution of orbital maneuvers with the mission’s four small spacecraft. After achieving its primary objectives, the Starling mission expanded to become Starling 1.5, an experiment to demonstrate maneuvers between the Starling swarm and SpaceX’s Starlink satellites, which also maneuver autonomously.
Coordination in Low Earth Orbit
Current space traffic coordination systems screen trajectories of spacecraft and objects in space and alert operators on the ground of potential conjunctions, which occur when two objects exceed an operator’s tolerance for a close approach along their orbital paths. Spacecraft operators can request notification at a range of probabilities, often anywhere from a 1 in 10,000 likelihood of a collision to 1 in 1,000,000 or lower.
Conjunction mitigation between satellite operators requires manual coordination through calls or emails on the ground. An operator may receive a notification for a number of reasons including recently maneuvering their satellite, nearby space debris, or if another satellite adjusts its orbit.
Once an operator is aware of a potential conjunction, they must work together with other operators to reduce the probability of a collision. This can result in time-consuming calls or emails between ground operations teams with different approaches to safe operations. It also means maneuvers may require several days to plan and implement. This timeline can be challenging for missions that require quick adjustments to capture important data.
“Occasionally, we’ll do a maneuver that we find out wasn’t necessary if we could have waited before making a decision. Sometimes you can’t wait three days to reposition and observe. Being able to react within a few hours can make new satellite observations possible,” said Nathan Benz, project manager of Starling 1.5 at NASA Ames.
Improving Coordination for Autonomous Maneuvering
The first step in improving coordination was to develop a reliable way to signal maneuver responsibility between operators. “Usually, SpaceX takes the responsibility to move out of the way when another operator shares their predicted trajectory information,” said Benz.
SpaceX and NASA collaborated to design a conjunction screening service, which SpaceX then implemented. Satellite operators can submit trajectories and receive conjunction data quickly, then accept responsibility to maneuver away from a potential conjunction.
“For this experiment, NASA’s Starling accepted responsibility to move using the screening service, successfully tested our system’s performance, then autonomously planned and executed the maneuver for the NASA Starling satellite, resolving a close approach with a Starlink satellite,” said Benz.
Through NASA’s Starling 1.5 experiment, the agency helped validate SpaceX’s Starlink screening service. The Office of Space Commerce within the U.S. Department of Commerce also worked with SpaceX to understand and assess the Starlink screening service.
Quicker Response to Changes on Earth
The time it takes to plan maneuvers in today’s orbital traffic environment limits the number of satellites a human operator can manage and their ability to collect data or serve customers.
“A fully automated system that is flexible and adaptable between satellite constellations is ideal for an environment of multiple satellite operators, all of whom have differing criteria for mitigating collision risks,” said Lauri Newman, program officer for NASA’s Conjunction Assessment Risk Analysis program at the agency’s headquarters in Washington.
Reducing the time necessary to plan maneuvers could open up a new class of missions, where quick responses to changes in space or on Earth’s surface are possible. Satellites capable of making quicker movements could adjust their orbital position to capture a natural disaster from above, or respond to one swarm member’s interesting observations, moving to provide a more thorough look.
“With improved access and use of low Earth orbit and the necessity to provide a more advanced space traffic coordination system, Starling 1.5 is providing critical data. Starling 1.5 is the result of a successful partnership between NASA, the Department of Commerce, and SpaceX, maturing technology to solve such challenges,” said Roger Hunter, program manager of the Small Spacecraft Technology program. “We look forward to the sustained impact of the Starling technologies as they continue demonstrating advancements in spacecraft coordination, cooperation, and autonomy.”
NASA Ames leads the Starling projects. NASA’s Small Spacecraft Technology program within the Space Technology Mission Directorate funds and manages the Starling mission.
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Last Updated Mar 26, 2025 LocationAmes Research Center Related Terms
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By NASA
5 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Advanced Capabilities for Emergency Response Operations (ACERO) researchers Lynne Martin, left, and Connie Brasil use the Portable Airspace Management System (PAMS) to view a simulated fire zone and set a drone flight plan during a flight test the week of March 17, 2025.NASA/Brandon Torres-Navarrete NASA researchers conducted initial validation of a new airspace management system designed to enable crews to use aircraft fight and monitor wildland fires 24 hours a day, even during low-visibility conditions.
From March 17-28, NASA’s Advanced Capabilities for Emergency Response Operations (ACERO) project stationed researchers at multiple strategic locations across the foothills of the Sierra de Salinas mountains in Monterey County, California. Their mission: to test and validate a new, portable system that can provide reliable airspace management under poor visual conditions, one of the biggest barriers for aerial wildland firefighting support.
The mission was a success.
“At NASA, we have decades of experience leveraging our aviation expertise in ways that improve everyday life for Americans,” said Carol Carroll, deputy associate administrator for NASA’s Aeronautics Research Mission Directorate at agency headquarters in Washington. “We need every advantage possible when it comes to saving lives and property when wildfires affect our communities, and ACERO technology will give responders critical new tools to monitor and fight fires.”
NASA ACERO researchers Samuel Zuniga,left, and Jonathan La Plain prepare for a drone flight test using the PAMS in Salinas on March 19, 2025.NASA/Brandon Torres-Navarrete One of the barriers for continued monitoring, suppression, and logistics support in wildland fire situations is a lack of tools for managing airspace and air traffic that can support operations under all visibility conditions. Current aerial firefighting operations are limited to times with clear visibility when a Tactical Air Group Supervisor or “air boss” in a piloted aircraft can provide direction. Otherwise, pilots may risk collisions.
The ACERO technology will provide that air boss capability for remotely piloted aircraft operations – and users will be able to do it from the ground. The project’s Portable Airspace Management System (PAMS) is a suitcase-sized solution that builds on decades of NASA air traffic and airspace management research. The PAMS units will allow pilots to view the locations and operational intents of other aircraft, even in thick smoke or at night.
During the testing in Salinas, researchers evaluated the PAMS’ core airspace management functions, including strategic coordination and the ability to automatically alert pilots once their aircrafts exit their preapproved paths or the simulated preapproved fire operation zone.
Using the PAMS prototype, researchers were able to safely conduct flight operations of a vertical takeoff and landing aircraft operated by Overwatch Aero, LLC, of Solvang, California, and two small NASA drones.
Flying as if responding to a wildfire scenario, the Overwatch aircraft connected with two PAMS units in different locations. Though the systems were separated by mountains and valleys with weak cellular service, the PAMS units were able to successfully share and display a simulated fire zone, aircraft location, flight plans, and flight intent, thanks to a radio communications relay established by the Overwatch aircraft.
Operating in a rural mountain range validated that PAMS could work successfully in an actual wildland fire environment.
“Testing in real mountainous environments presents numerous challenges, but it offers significantly more value than lab-based testing,” said Dr. Min Xue, ACERO project manager at NASA’s Ames Research Center in California’s Silicon Valley. “The tests were successful, providing valuable insights and highlighting areas for future improvement.”
NASA ACERO researchers fly a drone to test the PAMS during a flight test on March 19, 2025.NASA/Brandon Torres-Navarrete Pilots on the ground used PAMS to coordinate the drones, which performed flights simulating aerial ignition – the practice of setting controlled, intentional fires to manage vegetation, helping to control fires and reduce wildland fire risk.
As a part of the testing, Joby Aviation of Santa Cruz, California, flew its remotely piloted aircraft, similar in size to a Cessna Grand Caravan, over the testing site. The PAMS system successfully exchanged aircraft location and flight intent with Joby’s mission management system. The test marked the first successful interaction between PAMS and an optionally piloted aircraft.
Fire chiefs from the California Department of Forestry and Fire Protection (CAL FIRE) attended the testing and provided feedback on the system’s functionality, features that could improve wildland fire air traffic coordination, and potential for integration into operations.
“We appreciate the work being done by the NASA ACERO program in relation to portable airspace management capabilities,” said Marcus Hernandez, deputy chief for CAL FIRE’s Office of Wildfire Technology. “It’s great to see federal, state, and local agencies, as it is important to address safety and regulatory challenges alongside technological advancements.”
ACERO chief engineer Joey Mercer, right, shows the Portable Airspace Management System (PAMS) to Cal Fire representatives Scott Eckman, center, and Pete York, left, in preparation for the launch of the Overwatch Aero FVR90 Vertical Take Off and Landing (VTOL) test “fire” information sharing, airspace management, communication relay, and aircraft deconfliction capabilities during the Advanced Capabilities for Emergency Response Operations (ACERO) test in Salinas, California.NASA/Brandon Torres-Navarrete These latest flights build on successful PAMS testing in Watsonville, California, in November 2024. ACERO will use flight test data and feedback from wildland fire agencies to continue building out PAMS capabilities and will showcase more robust information-sharing capabilities in the coming years.
NASA’s goal for ACERO is to validate this technology, so it can be developed for wildland fire crews to use in the field, saving lives and property. The project is managed by NASA’s Airspace Operations and Safety Program and supports the agency’s Advanced Air Mobility mission.
ACERO’s PAMS unit shown during a flight test on March 19, 2025NASA/Brandon Torres-Navarrette Share
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Last Updated Mar 25, 2025 Related Terms
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By NASA
A SpaceX Falcon 9 rocket lifts off from Vandenberg Space Force Base, carrying NASA’s EZIE spacecraft into orbit. SpaceX Under the nighttime California sky, NASA’s EZIE (Electrojet Zeeman Imaging Explorer) mission launched aboard a SpaceX Falcon 9 rocket at 11:43 p.m. PDT on March 14.
Taking off from Vandenberg Space Force Base near Santa Barbara, the EZIE mission’s trio of small satellites will fly in a pearls-on-a-string configuration approximately 260 to 370 miles above Earth’s surface to map the auroral electrojets, powerful electric currents that flow through our upper atmosphere in the polar regions where auroras glow in the sky.
At approximately 2 a.m. PDT on March 15, the EZIE satellites were successfully deployed. Within the next 10 days, the spacecraft will send signals to verify they are in good health and ready to embark on their 18-month mission.
“NASA has leaned into small missions that can provide compelling science while accepting more risk. EZIE represents excellent science being executed by an excellent team, and it is delivering exactly what NASA is looking for,” said Jared Leisner, program executive for EZIE at NASA Headquarters in Washington.
The electrojets — and their visible counterparts, theauroras — are generated duringsolar storms when tremendous amounts of energy get transferred into Earth’s upper atmosphere from the solar wind. Each of the EZIE spacecraft will map the electrojets, advancing our understanding of the physics of how Earth interacts with its surrounding space. This understanding will apply not only to our own planet but also to any magnetized planet in our solar system and beyond. The mission will also help scientists create models for predicting space weather to mitigate its disruptive impacts on our society.
“It is truly incredible to see our spacecraft flying and making critical measurements, marking the start of an exciting new chapter for the EZIE mission,” said Nelli Mosavi-Hoyer, project manager for EZIE at the Johns Hopkins Applied Physics Laboratory in Laurel, Maryland. “I am very proud of the dedication and hard work of our team. This achievement is a testament to the team’s perseverance and expertise, and I look forward to the valuable insights EZIE will bring to our understanding of Earth’s electrojets and space weather.”
Instead of using propulsion to control their polar orbit, the spacecraft will actively use drag experienced while flying through the upper atmosphere to individually tune their spacing. Each successive spacecraft will fly over the same region 2 to 10 minutes after the former.
“Missions have studied these currents before, but typically either at the very large or very small scales,” said Larry Kepko, EZIE mission scientist at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. “EZIE will help us understand how these currents form and evolve, at scales we’ve never probed.”
The mission team is also working to distribute magnetometer kits called EZIE-Mag, which are available to teachers, students, and science enthusiasts who want to take their own measurements of the Earth-space electrical current system. EZIE-Mag data will be combined with EZIE measurements made from space to assemble a clear picture of this vast electrical current circuit.
The EZIE mission is funded by the Heliophysics Division within NASA’s Science Mission Directorate and is managed by the Explorers Program Office at NASA Goddard. The Johns Hopkins Applied Physics Laboratory leads the mission for NASA. Blue Canyon Technologies in Boulder, Colorado, built the CubeSats, and NASA’s Jet Propulsion Laboratory in Southern California built the Microwave Electrojet Magnetogram, which will map the electrojets, for each of the three satellites.
For the latest mission updates, follow NASA’s EZIE blog.
By Brett Molina
Johns Hopkins Applied Physics Laboratory
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Last Updated Mar 15, 2025 Editor Vanessa Thomas Contact Sarah Frazier sarah.frazier@nasa.gov Location Goddard Space Flight Center Related Terms
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