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Teams with NASA and the Department of Defense (DoD) rehearse recovery procedures for a launch pad abort scenario off the coast of Florida near the agency’s Kennedy Space Center on Wednesday, June 11, 2025. NASA/Isaac Watson NASA and the Department of Defense (DoD) teamed up June 11 and 12 to simulate emergency procedures they would use to rescue the Artemis II crew in the event of a launch emergency. The simulations, which took place off the coast of Florida and were supported by launch and flight control teams, are preparing NASA to send four astronauts around the Moon and back next year as part of the agency’s first crewed Artemis mission.
The team rehearsed procedures they would use to rescue the crew during an abort of NASA’s Orion spacecraft while the SLS (Space Launch System) rocket is still on the launch pad, as well as during ascent to space. A set of test mannequins and a representative version of Orion called the Crew Module Test Article, were used during the tests.
The launch team at NASA’s Kennedy Space Center in Florida, flight controllers in mission control at the agency’s Johnson Space Center in Houston, as well as the mission management team, all worked together, exercising their integrated procedures for these emergency scenarios.
Teams with NASA and the Department of Defense (DoD) rehearse recovery procedures for a launch pad abort scenario off the coast of Florida near the agency’s Kennedy Space Center on Wednesday, June 11, 2025.NASA/Isaac Watson “Part of preparing to send humans to the Moon is ensuring our teams are ready for any scenario on launch day,” said Lakiesha Hawkins, NASA’s assistant deputy associate administrator for the Moon to Mars Program, and who also is chair of the mission management team for Artemis II. “We’re getting closer to our bold mission to send four astronauts around the Moon, and our integrated testing helps ensure we’re ready to bring them home in any scenario.”
The launch pad abort scenario was up first. The teams conducted a normal launch countdown before declaring an abort before the rocket was scheduled to launch. During a real pad emergency, Orion’s launch abort system would propel Orion and its crew a safe distance away and orient it for splashdown before the capsule’s parachutes would then deploy ahead of a safe splashdown off the coast of Florida.
Teams with NASA and the Department of Defense (DoD) rehearse recovery procedures for a launch pad abort scenario off the coast of Florida near the agency’s Kennedy Space Center on Wednesday, June 11, 2025. NASA/Isaac Watson For the simulated splashdown, the test Orion with mannequins aboard was placed in the water five miles east of Kennedy. Once the launch team made the simulated pad abort call, two Navy helicopters carrying U.S. Air Force pararescuers departed nearby Patrick Space Force Base. The rescuers jumped into the water with unique DoD and NASA rescue equipment to safely approach the spacecraft, retrieve the mannequin crew, and transport them for medical care in the helicopters, just as they would do in the event of an actual pad abort during the Artemis II mission.
The next day focused on an abort scenario during ascent to space.
The Artemis recovery team set up another simulation at sea 12 miles east of Kennedy, using the Orion crew module test article and mannequins. With launch and flight control teams supporting, as was the Artemis II crew inside a simulator at Johnson, the rescue team sprung into action after receiving the simulated ascent abort call and began rescue procedures using a C-17 aircraft and U.S. Air Force pararescuers. Upon reaching the capsule, the rescuers jumped from the C-17 with DoD and NASA unique rescue gear. In an actual ascent abort, Orion would separate from the rocket in milliseconds to safely get away prior to deploying parachutes and splashing down.
Teams with NASA and the Department of Defense (DoD) rehearse recovery procedures for an ascent abort scenario off the coast of Florida near the agency’s Kennedy Space Center on Thursday, June 12, 2025. NASA/Isaac Watson Rescue procedures are similar to those used in the Underway Recovery Test conducted off the California coast in March. This demonstration ended with opening the hatch and extracting the mannequins from the capsule, so teams stopped without completing the helicopter transportation that would be used during a real rescue.
Exercising procedures for extreme scenarios is part of NASA’s work to execute its mission and keep the crew safe. Through the Artemis campaign, NASA will send astronauts to explore the Moon for scientific discovery, economic benefits, and to build the foundation for the first crewed missions to Mars – for the benefit of all.
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By NASA
5 min read
NASA Launching Rockets Into Radio-Disrupting Clouds
NASA is launching rockets from a remote Pacific island to study mysterious, high-altitude cloud-like structures that can disrupt critical communication systems. The mission, called Sporadic-E ElectroDynamics, or SEED, opens its three-week launch window from Kwajalein Atoll in the Marshall Islands on Friday, June 13.
The atmospheric features SEED is studying are known as Sporadic-E layers, and they create a host of problems for radio communications. When they are present, air traffic controllers and marine radio users may pick up signals from unusually distant regions, mistaking them for nearby sources. Military operators using radar to see beyond the horizon may detect false targets — nicknamed “ghosts” — or receive garbled signals that are tricky to decipher. Sporadic-E layers are constantly forming, moving, and dissipating, so these disruptions can be difficult to anticipate.
An animated illustration depicts Sporadic-E layers forming in the lower portions of the ionosphere, causing radio signals to reflect back to Earth before reaching higher layers of the ionosphere. NASA’s Goddard Space Flight Center/Conceptual Image Lab Sporadic-E layers form in the ionosphere, a layer of Earth’s atmosphere that stretches from about 40 to 600 miles (60 to 1,000 kilometers) above sea level. Home to the International Space Station and most Earth-orbiting satellites, the ionosphere is also where we see the greatest impacts of space weather. Primarily driven by the Sun, space weather causes myriad problems for our communications with satellites and between ground systems. A better understanding of the ionosphere is key to keeping critical infrastructure running smoothly.
The ionosphere is named for the charged particles, or ions, that reside there. Some of these ions come from meteors, which burn up in the atmosphere and leave traces of ionized iron, magnesium, calcium, sodium, and potassium suspended in the sky. These “heavy metals” are more massive than the ionosphere’s typical residents and tend to sink to lower altitudes, below 90 miles (140 kilometers). Occasionally, they clump together to create dense clusters known as Sporadic-E layers.
The Perseids meteor shower peaks in mid-August. Meteors like these can deposit metals into Earth’s ionosphere that can help create cloud-like structures called Sporadic-E layers. NASA/Preston Dyches “These Sporadic-E layers are not visible to naked eye, and can only be seen by radars. In the radar plots, some layers appear like patchy and puffy clouds, while others spread out, similar to an overcast sky, which we call blanketing Sporadic-E layer” said Aroh Barjatya, the SEED mission’s principal investigator and a professor of engineering physics at Embry-Riddle Aeronautical University in Daytona Beach, Florida. The SEED team includes scientists from Embry-Riddle, Boston College in Massachusetts, and Clemson University in South Carolina.
“There’s a lot of interest in predicting these layers and understanding their dynamics because of how they interfere with communications,” Barjatya said.
A Mystery at the Equator
Scientists can explain Sporadic-E layers when they form at midlatitudes but not when they appear close to Earth’s equator — such as near Kwajalein Atoll, where the SEED mission will launch.
In the Northern and Southern Hemispheres, Sporadic-E layers can be thought of as particle traffic jams.
Think of ions in the atmosphere as miniature cars traveling single file in lanes defined by Earth’s magnetic field lines. These lanes connect Earth end to end — emerging near the South Pole, bowing around the equator, and plunging back into the North Pole.
A conceptual animation shows Earth’s magnetic field. The blue lines radiating from Earth represent the magnetic field lines that charged particles travel along. NASA’s Goddard Space Flight Center/Conceptual Image Lab At Earth’s midlatitudes, the field lines angle toward the ground, descending through atmospheric layers with varying wind speeds and directions. As the ions pass through these layers, they experience wind shear — turbulent gusts that cause their orderly line to clump together. These particle pileups form Sporadic-E layers.
But near the magnetic equator, this explanation doesn’t work. There, Earth’s magnetic field lines run parallel to the surface and do not intersect atmospheric layers with differing winds, so Sporadic-E layers shouldn’t form. Yet, they do — though less frequently.
“We’re launching from the closest place NASA can to the magnetic equator,” Barjatya said, “to study the physics that existing theory doesn’t fully explain.”
Taking to the Skies
To investigate, Barjatya developed SEED to study low-latitude Sporadic-E layers from the inside. The mission relies on sounding rockets — uncrewed suborbital spacecraft carrying scientific instruments. Their flights last only a few minutes but can be launched precisely at fleeting targets.
Beginning the night of June 13, Barjatya and his team will monitor ALTAIR (ARPA Long-Range Tracking and Instrumentation Radar), a high-powered, ground-based radar system at the launch site, for signs of developing Sporadic-E layers. When conditions are right, Barjatya will give the launch command. A few minutes later, the rocket will be in flight.
The SEED science team and mission management team in front of the ARPA Long-Range Tracking and Instrumentation Radar (ALTAIR). The SEED team will use ALTAIR to monitor the ionosphere for signs of Sporadic-E layers and time the launch. U.S. Army Space and Missile Defense Command On ascent, the rocket will release colorful vapor tracers. Ground-based cameras will track the tracers to measure wind patterns in three dimensions. Once inside the Sporadic-E layer, the rocket will deploy four subpayloads — miniature detectors that will measure particle density and magnetic field strength at multiple points. The data will be transmitted back to the ground as the rocket descends.
On another night during the launch window, the team will launch a second, nearly identical rocket to collect additional data under potentially different conditions.
Barjatya and his team will use the data to improve computer models of the ionosphere, aiming to explain how Sporadic-E layers form so close to the equator.
“Sporadic-E layers are part of a much larger, more complicated physical system that is home to space-based assets we rely on every day,” Barjatya said. “This launch gets us closer to understanding another key piece of Earth’s interface to space.”
By Miles Hatfield
NASA’s Goddard Space Flight Center, Greenbelt, Md.
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Last Updated Jun 12, 2025 Related Terms
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By NASA
Explore Webb Webb News Latest News Latest Images Webb’s Blog Awards X (offsite – login reqd) Instagram (offsite – login reqd) Facebook (offsite- login reqd) Youtube (offsite) Overview About Who is James Webb? Fact Sheet Impacts+Benefits FAQ Science Overview and Goals Early Universe Galaxies Over Time Star Lifecycle Other Worlds Observatory Overview Launch Deployment Orbit Mirrors Sunshield Instrument: NIRCam Instrument: MIRI Instrument: NIRSpec Instrument: FGS/NIRISS Optical Telescope Element Backplane Spacecraft Bus Instrument Module Multimedia About Webb Images Images Videos What is Webb Observing? 3d Webb in 3d Solar System Podcasts Webb Image Sonifications Webb’s First Images Team International Team People Of Webb More For the Media For Scientists For Educators For Fun/Learning 6 Min Read Frigid Exoplanet in Strange Orbit Imaged by NASA’s Webb
This image of exoplanet 14 Herculis c was taken by NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera). A star symbol marks the location of the host star 14 Herculis, whose light has been blocked by a coronagraph on NIRCam (shown here as a dark circle outlined in white). Credits:
NASA, ESA, CSA, STScI, W. Balmer (JHU), D. Bardalez Gagliuffi (Amherst College) A planetary system described as abnormal, chaotic, and strange by researchers has come into clearer view with NASA’s James Webb Space Telescope. Using Webb’s NIRCam (Near-Infrared Camera), researchers have successfully imaged one of two known planets surrounding the star 14 Herculis, located 60 light-years away from Earth in our own Milky Way galaxy.
The exoplanet, 14 Herculis c, is one of the coldest imaged to date. While there are nearly 6,000 exoplanets that have been discovered, only a small number of those have been directly imaged, most of those being very hot (think hundreds or even thousands of degrees Fahrenheit). The new data suggests 14 Herculis c, which weighs about 7 times the planet Jupiter, is as cool as 26 degrees Fahrenheit (minus 3 degrees Celsius).
Image: 14 Herculis c (NIRCam)
This image of exoplanet 14 Herculis c was taken by NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera). A star symbol marks the location of the host star 14 Herculis, whose light has been blocked by a coronagraph on NIRCam (shown here as a dark circle outlined in white). NASA, ESA, CSA, STScI, W. Balmer (JHU), D. Bardalez Gagliuffi (Amherst College) The team’s results covering 14 Herculis c have been submitted to The Astrophysical Journal Letters and were presented in a press conference Tuesday at the 246th meeting of the American Astronomical Society in Anchorage, Alaska.
“The colder an exoplanet, the harder it is to image, so this is a totally new regime of study that Webb has unlocked with its extreme sensitivity in the infrared,” said William Balmer, co-first author of the new paper and graduate student at Johns Hopkins University. “We are now able to add to the catalog of not just hot, young exoplanets imaged, but older exoplanets that are far colder than we’ve directly seen before Webb.”
Webb’s image of 14 Herculis c also provides insights into a planetary system unlike most others studied in detail with Webb and other ground- and space-based `observatories. The central star, 14 Herculis, is almost Sun-like – it is similar in age and temperature to our own Sun, but a little less massive and cooler.
There are two planets in this system – 14 Herculis b is closer to the star, and covered by the coronagraphic mask in the Webb image. These planets don’t orbit each other on the same plane like our solar system. Instead, they cross each other like an ‘X’, with the star being at the center. That is, the orbital planes of the two planets are inclined relative to one another at an angle of about 40 degrees. The planets tug and pull at one another as they orbit the star.
This is the first time an image has ever been snapped of an exoplanet in such a mis-aligned system.
Scientists are working on several theories for just how the planets in this system got so “off track.” One of the leading concepts is that the planets scattered after a third planet was violently ejected from the system early in its formation.
“The early evolution of our own solar system was dominated by the movement and pull of our own gas giants,” added Balmer. “They threw around asteroids and rearranged other planets. Here, we are seeing the aftermath of a more violent planetary crime scene. It reminds us that something similar could have happened to our own solar system, and that the outcomes for small planets like Earth are often dictated by much larger forces.”
Understanding the Planet’s Characteristics With Webb
Webb’s new data is giving researchers further insights into not just the temperature of 14 Herculis c, but other details about the planet’s orbit and atmosphere.
Findings indicate the planet orbits around 1.4 billion miles from the host star in a highly elliptical, or football-shaped orbit, closer in than previous estimates. This is around 15 times farther from the Sun than Earth. On average, this would put 14 Herculis c between Saturn and Uranus in our solar system.
The planet’s brightness at 4.4 microns measured using Webb’s coronagraph, combined with the known mass of the planet and age of the system, hints at some complex atmospheric dynamics at play.
“If a planet of a certain mass formed 4 billion years ago, then cooled over time because it doesn’t have a source of energy keeping it warm, we can predict how hot it should be today,” said Daniella C. Bardalez Gagliuffi of Amherst College, co-first author on the paper with Balmer. “Added information, like the perceived brightness in direct imaging, would in theory support this estimate of the planet’s temperature.”
However, what researchers expect isn’t always reflected in the results. With 14 Herculis c, the brightness at this wavelength is fainter than expected for an object of this mass and age. The research team can explain this discrepancy, though. It’s called carbon disequilibrium chemistry, something often seen in brown dwarfs.
“This exoplanet is so cold, the best comparisons we have that are well-studied are the coldest brown dwarfs,” Bardalez Gagliuffi explained. “In those objects, like with 14 Herculis c, we see carbon dioxide and carbon monoxide existing at temperatures where we should see methane. This is explained by churning in the atmosphere. Molecules made at warmer temperatures in the lower atmosphere are brought to the cold, upper atmosphere very quickly.”
Researchers hope Webb’s image of 14 Herculis c is just the beginning of a new phase of investigation into this strange system.
While the small dot of light obtained by Webb contains a plethora of information, future spectroscopic studies of 14 Herculis could better constrain the atmospheric properties of this interesting planet and help researchers understand the dynamics and formation pathways of the system.
The James Webb Space Telescope is the world’s premier space science observatory. Webb is solving mysteries in our solar system, looking beyond to distant worlds around other stars, and probing the mysterious structures and origins of our universe and our place in it. Webb is an international program led by NASA with its partners, ESA (European Space Agency) and CSA (Canadian Space Agency).
To learn more about Webb, visit:
https://science.nasa.gov/webb
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Laura Betz – laura.e.betz@nasa.gov
NASA’s Goddard Space Flight Center, Greenbelt, Md.
Hannah Braun – hbraun@stsci.edu
Space Telescope Science Institute, Baltimore, Md.
Christine Pulliam – cpulliam@stsci.edu
Space Telescope Science Institute, Baltimore, Md.
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Last Updated Jun 10, 2025 Editor Marty McCoy Contact Laura Betz laura.e.betz@nasa.gov Related Terms
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By NASA
5 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s F-15D research aircraft conducts a calibration flight of a shock-sensing probe near NASA’s Armstrong Flight Research Center in Edwards, California. The shock-sensing probe is designed to measure the signature and strength of shock waves in flight. The probe was validated during dual F-15 flights and will be flown behind NASA’s X-59 to measure small pressure changes caused by shock waves in support of the agency’s Quesst mission.NASA/Jim Ross High over the Mojave Desert, two NASA F-15 research jets made a series of flights throughout May to validate tools designed to measure and record the shock waves that will be produced by the agency’s X-59 quiet supersonic experimental aircraft.
The F-15s, carrying the recording tools, flew faster than the speed of sound, matching the conditions the X-59 is expected to fly. The X-59 is the centerpiece of NASA’s Quesst mission to gather data that can help lead to quiet commercial supersonic flight over land.
The team behind the successful test flight series operates under the Schlieren, Airborne Measurements, and Range Operations for Quesst (SCHAMROQ) project at NASA’s Armstrong Flight Research Center in Edwards, California. There, they developed tools that will measure and visualize the X-59’s unique shock waves when it flies at Mach 1.4 and altitudes above 50,000 feet. For a typical supersonic aircraft, those shock waves would result in a sonic boom. But thanks to the X-59’s design and technologies, it will generate just a quiet thump.
Cheng Moua, engineering project manager for SCHAMROQ, described the validation flight campaign as “a graduation exercise – it brings all the pieces together in their final configuration and proves that they will work.”
NASA began to develop the tools years ago, anchored by the arrival of one of the two F-15s – an F-15D from the U.S. Air Force – a tactical aircraft delivered without research instrumentation.
“It showed up as a former war-fighting machine without a research-capable instrumentation system – no telemetry, no HD video, no data recording,” Cheng said. “Now it’s a fully instrumented research platform.”
The team used both F-15s to validate three key tools:
A shock wave-measuring device called a near-field shock-sensing probe A guidance capability known as an Airborne Location Integrating Geospatial Navigation System An Airborne Schlieren Photography System that will allow the capture of images that render visible the density changes in air caused by the X-59 Before the F-15D’s arrival, Armstrong relied on the second F-15 flown during this campaign – an F-15B typically used to test equipment, train pilots, and support other flight projects. The SCHAMROQ project used the two aircraft to successfully complete “dual ship flights,” a series of flight tests using two aircraft simultaneously. Both aircraft flew in formation carrying near-field shock-sensing probes and collected data from one another to test the probes and validate the tools under real-world conditions. The data help confirm how shock waves form and evolve during flight.
NASA Photographer Carla Thomas holds the Airborne Schlieren Photography System (ASPS), aiming it out the window in flight. The ASPS uses a photographic method called schlieren imaging, capable of visualizing changes in air density and revealing shock waves and air flow patterns around moving objects. The system is one of several tools validated during recent dual F-15 flights at NASA’s Armstrong Flight Research Center in Edwards, California, in support of NASA’s Quesst mission, ahead of the X-59’s first flight. NASA/Carla Thomas Keeping Things ALIGNed
For the Quesst mission, the F-15D will lead data-gathering efforts using the onboard probe, while the F-15B will serve as the backup. When flown behind the X-59, the probe will help measure small pressure changes caused by the shock waves and validate predictions made years ago when the plane’s design was first created.
The schlieren photography systems aboard the F-15s will provide Quesst researchers with crucial data. Other tools, like computer simulations that predict airflow and wind tunnel tests are helpful, but schlieren imagery shows real-world airflow, especially in tricky zones like the engine and air inlet.
For that system to work correctly, the two aircraft will need to be precisely positioned during the test flights. Their pilots will be using a NASA-developed software tool called the Airborne Location Integrating Geospatial Navigation System (ALIGNS).
“ALIGNS acts as a guidance system for the pilots,” said Troy Robillos, a NASA researcher who led development of ALIGNS. “It shows them where to position the aircraft to either probe a shock wave at a specific point or to get into the correct geometry for schlieren photography.”
The schlieren system involves a handheld high-speed camera with a telescopic lens that captures hundreds of frames per second and visualizes changes in air density – but only if it can use the sun as a backdrop.
Two NASA F-15 aircraft sit on the ramp at NASA’s Armstrong Flight Research Center, in Edwards, California, ahead of dual F-15 flights that validated the integration of three tools – the Airborne Schlieren Photography System (ASPS), the Airborne Location Integrating Geospatial Navigation System (ALIGNS), and shock-sensing probe. Together these tools will measure and visualize the shock waves generated by NASA’s X-59.NASA/Genaro Vavuris “The photographer holds the camera to their chest, aiming out the side of the cockpit canopy at the sun, while the pilot maneuvers through a 100-foot-wide target zone,” said Edward Haering, a NASA aerospace engineer who leads research on schlieren. “If the sun leaves the frame, we lose that data, so we fly multiple passes to make sure we capture the shot.”
Aligning two fast-moving aircraft against the backdrop of the sun is the most challenging part. The photographer must capture the aircraft flying across the center of the sun, and even the slightest shift can affect the shot and reduce the quality of the data.
“It’s like trying to take a photo through a straw while flying supersonic,” Robillos said.
But with ALIGNS, the process is much more accurate. The software runs on ruggedized tablets and uses GPS data from both aircraft to calculate when the aircraft are in position for probing and to capture schlieren imagery. Giving pilots real-time instructions, enabling them to achieve precise positioning.
The X-59 team’s validation milestone for the schlieren imaging and other systems confirms that NASA’s core tools for measuring shock waves are ready to study the X-59 in flight, checking the aircraft’s unique acoustics to confirm its quieter sonic “thump.”
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Last Updated Jun 10, 2025 EditorDede DiniusContactNicolas Cholulanicolas.h.cholula@nasa.govLocationArmstrong Flight Research Center Related Terms
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By European Space Agency
The European Space Agency’s (ESA) newest planetary defender has opened its ‘eye’ to the cosmos for the first time. The Flyeye telescope’s ‘first light’ marks the beginning of a new chapter in how we scan the skies for new near-Earth asteroids and comets.
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