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By NASA
A view inside the sandbox portion of the Crew Health and Performance Analog, where research volunteers participate in simulated walks on the surface of Mars. Credit: NASA Four research volunteers will soon participate in NASA’s year-long simulation of a Mars mission inside a habitat at the agency’s Johnson Space Center in Houston. This mission will provide NASA with foundational data to inform human exploration of the Moon, Mars, and beyond.
Ross Elder, Ellen Ellis, Matthew Montgomery, and James Spicer enter into the 1,700-square-foot Mars Dune Alpha habitat on Sunday, Oct. 19, to begin their mission. The team will live and work like astronauts for 378 days, concluding their mission on Oct. 31, 2026. Emily Phillips and Laura Marie serve as the mission’s alternate crew members.
Through a series of Earth-based missions called CHAPEA (Crew Health and Performance Exploration Analog), carried out in the 3D-printed habitat, NASA aims to evaluate certain human health and performance factors ahead of future Mars missions. The crew will undergo realistic resource limitations, equipment failures, communication delays, isolation and confinement, and other stressors, along with simulated high-tempo extravehicular activities. These scenarios allow NASA to make informed trades between risks and interventions for long-duration exploration missions.
“As NASA gears up for crewed Artemis missions, CHAPEA and other ground analogs are helping to determine which capabilities could best support future crews in overcoming the human health and performance challenges of living and operating beyond Earth’s resources – all before we send humans to Mars,” said Sara Whiting, project scientist with NASA’s Human Research Program at NASA Johnson.
Crew members will carry out scientific research and operational tasks, including simulated Mars walks, growing a vegetable garden, robotic operations, and more. Technologies specifically designed for Mars and deep space exploration will also be tested, including a potable water dispenser and diagnostic medical equipment.
“The simulation will allow us to collect cognitive and physical performance data to give us more insight into the potential impacts of the resource restrictions and long-duration missions to Mars on crew health and performance,” said Grace Douglas, CHAPEA principal investigator. “Ultimately, this information will help NASA make informed decisions to design and plan for a successful human mission to Mars.”
This mission, facilitated by NASA’s Human Research Program, is the second one-year Mars surface simulation conducted through CHAPEA. The first mission concluded on July 6, 2024.
The Human Research Program pursues methods and technologies to support safe, productive human space travel. Through applied research conducted in laboratories, simulations, and aboard the International Space Station, the program investigates the effects spaceflight has on human bodies and behaviors to keep astronauts healthy and mission-ready.
Primary Crew
Ross Elder, Commander
Ross Elder, from Williamstown, West Virginia, is a major and experimental test pilot in the United States Air Force. At the time of his selection, he served as the director of operations of the 461st Flight Test Squadron. He has piloted over 35 military aircraft and accumulated more than 1,800 flying hours, including 200 combat hours, primarily in the F-35, F-15E/EX, F-16, and A-10C. His flight test experience focuses on envelope expansion, crewed-uncrewed teaming, artificial intelligence, autonomy, mission systems, and weapons modernization.
Elder earned a Bachelor of Science in astronautical engineering from the U.S. Air Force Academy in Colorado Springs, Colorado, and commissioned as an Air Force officer upon graduation. He earned a Master of Science in mechanical engineering from the University of Colorado in Colorado Springs and a master’s degree in flight test engineering from the U.S. Air Force Test Pilot School at Edwards Air Force Base in California.
Ellen Ellis, Medical Officer
Ellen Ellis, from North Kingstown, Rhode Island, is a colonel and an acquisitions officer in the United States Space Force. She currently serves as a senior materiel leader in the National Reconnaissance Office (NRO) Communications Systems Directorate. She is responsible for fielding commercial cloud and traditional information technology hosting solutions and building modernized data centers for the NRO. She previously served as an Intercontinental Ballistic Missile operations officer and GPS satellite engineer, and she also developed geospatial intelligence payloads and ground processing systems.
She earned a Bachelor of Science in aerospace engineering at Syracuse University in New York and holds four master’s degrees, including a Master of Science in systems engineering from the Naval Postgraduate School in California, and a Master of Science in emergency and disaster management from Georgetown University in Washington.
Matthew Montgomery, Science Officer
Matthew Montgomery, from Los Angeles, is a hardware engineering design consultant who works with technology startup companies to develop, commercialize, and scale their products. His focus areas include LED lighting, robotics, controlled environment agriculture, and embedded control systems.
Montgomery earned a Bachelor of Science and a Master of Science in electrical engineering from the University of Central Florida. He is also a founder and co-owner of Floating Lava Studios, a film production company based in Los Angeles.
James Spicer, Flight Engineer
James Spicer is a technical director in the aerospace and defense industry. His experience includes building radio and optical satellite communications networks; space data relay networks for human spaceflight; position, navigation, and timing research; and hands-on spacecraft design, integration, and tests.
Spicer earned a Bachelor of Science and Master of Science in aeronautics and astronautics, and holds a Notation in Science Communication from Stanford University in California. He also holds commercial pilot and glider pilot licenses.
Alternate Crew
Emily Phillips
Emily Phillips, from Waynesburg, Pennsylvania, is a captain and pilot in the United States Marine Corps. She currently serves as a forward air controller and air officer attached to an infantry battalion stationed at the Marine Corps Air Ground Combat Center in Twentynine Palms, California.
Phillips earned a Bachelor of Science in computer science from the U.S. Naval Academy in Annapolis and commissioned as a Marine Corps officer upon graduation. She attended flight school, earning her Naval Aviator wings and qualifying as an F/A-18C Hornet pilot. Phillips has completed multiple deployments to Europe and Southeast Asia.
Laura Marie
Born in the United Kingdom, Laura Marie immigrated to the U.S. in 2016. She is a commercial airline pilot specializing in flight safety, currently operating passenger flights in Washington.
Marie began her aviation career in 2019 and has amassed over 2,800 flight hours. She holds a Bachelor of Arts in philosophy and a Master of Science in aeronautics from Liberty University in Lynchburg, Virginia. In addition to her Airline Transport Pilot License, she also possesses flight instructor and advanced ground instructor licenses. Outside the flight deck, Marie dedicates her time to mentoring and supporting aspiring pilots as they navigate their careers.
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By NASA
The Roscosmos Progress 92 cargo spacecraft approaches the International Space Station on July 5, 2025, for an automated docking to the orbital complex’s Poisk module.Credit: NASA NASA will provide live coverage of the launch and docking of a Roscosmos cargo spacecraft carrying about three tons of food, fuel, and supplies for the crew aboard the International Space Station.
The unpiloted Roscosmos Progress 93 resupply spacecraft is scheduled to launch at 11:54 a.m. EDT (8:54 p.m. Baikonur time), Thursday, Sept. 11, on a Soyuz rocket from the Baikonur Cosmodrome in Kazakhstan.
Live coverage will begin at 11:30 a.m. on NASA+, Amazon Prime, and more. Learn how to watch NASA content through a variety of platforms, including social media.
After a two-day journey to the station, the spacecraft will dock autonomously to the aft port of the station’s Zvezda module at 1:27 p.m. on Saturday, Sept. 13. NASA’s rendezvous and docking coverage will begin at 12:30 p.m. on NASA+, Amazon Prime, and more.
The Progress 93 spacecraft will remain docked to the space station for approximately six months before departing for re-entry into Earth’s atmosphere to dispose of trash loaded by the crew. Ahead of the spacecraft’s arrival, the Progress 91 spacecraft will undock from the Zvezda Service Module on Tuesday, Sept. 9. NASA will not stream the undocking.
The International Space Station is a convergence of science, technology, and human innovation enabling research not possible on Earth. For nearly 25 years, NASA has supported a continuous U.S. human presence aboard the orbiting laboratory, where astronauts have learned to live and work in space for extended periods of time. The space station is a springboard for developing a low Earth economy and NASA’s next great leaps in human exploration at the Moon and Mars.
Learn more about the International Space Station, its research, and crew, at:
https://www.nasa.gov/station
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Jimi Russell
Headquarters, Washington
202-358-1100
james.j.russell@nasa.gov
Sandra Jones / Joseph Zakrzewski
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov / joseph.a.zakrzewski@nasa.gov
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Last Updated Sep 05, 2025 LocationNASA Headquarters Related Terms
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By NASA
6 Min Read Upcoming Launch to Boost NASA’s Study of Sun’s Influence Across Space
Soon, there will be three new ways to study the Sun’s influence across the solar system with the launch of a trio of NASA and National Oceanic and Atmospheric Administration (NOAA) spacecraft. Expected to launch no earlier than Tuesday, Sept. 23, the missions include NASA’s IMAP (Interstellar Mapping and Acceleration Probe), NASA’s Carruthers Geocorona Observatory, and NOAA’s SWFO-L1 (Space Weather Follow On-Lagrange 1) spacecraft.
The three missions will launch together aboard a SpaceX Falcon 9 rocket from NASA’s Kennedy Space Center in Florida. From there, the spacecraft will travel together to their destination at the first Earth-Sun Lagrange point (L1), around one million miles from Earth toward the Sun.
The missions will each focus on different effects of the solar wind — the continuous stream of particles emitted by the Sun — and space weather — the changing conditions in space driven by the Sun — from their origins at the Sun to their farthest reaches billions of miles away at the edge of our solar system. Research and observations from the missions will help us better understand the Sun’s influence on Earth’s habitability, map our home in space, and protect satellites and voyaging astronauts and airline crews from space weather impacts.
The IMAP and Carruthers missions add to NASA’s heliophysics fleet of spacecraft. Together, NASA’s heliophysics missions study a vast, interconnected system from the Sun to the space surrounding Earth and other planets to the farthest limits of the Sun’s constantly flowing streams of solar wind. The SWFO-L1 mission, funded and operated by NOAA, will be the agency’s first satellite designed specifically for and fully dedicated to continuous, operational space weather observations.
Mapping our home in space: IMAP
The IMAP mission will study the heliosphere, our home in space.
NASA/Princeton University/Patrick McPike As a modern-day celestial cartographer, IMAP will investigate two of the most important overarching issues in heliophysics: the interaction of the solar wind at its boundary with interstellar space and the energization of charged particles from the Sun.
The IMAP mission will principally study the boundary of our heliosphere — a huge bubble created by the solar wind that encapsulates our solar system — and study how the heliosphere interacts with the local galactic neighborhood beyond. The heliosphere protects the solar system from dangerous high-energy particles called galactic cosmic rays. Mapping the heliosphere’s boundaries helps scientists understand our home in space and how it came to be habitable.
“IMAP will revolutionize our understanding of the outer heliosphere,” said David McComas, IMAP mission principal investigator at Princeton University in New Jersey. “It will give us a very fine picture of what’s going on out there by making measurements that are 30 times more sensitive and at higher resolution than ever before.”
The IMAP mission will also explore and chart the vast range of particles in interplanetary space. The spacecraft will provide near real-time observations of the solar wind and energetic particles, which can produce hazardous conditions not only in the space environment near Earth, but also on the ground. The mission’s data will help model and improve prediction capabilities of the impacts of space weather ranging from power-line disruptions to loss of satellites.
Imaging Earth’s exosphere: Carruthers Geocorona Observatory
An illustration shows the Carruthers Geocorona Observatory spacecraft. NASA/BAE Systems Space & Mission Systems The Carruthers Geocorona Observatory, a small satellite, will launch with IMAP as a rideshare. The mission was named after Dr. George Carruthers, creator of the Moon-based telescope that captured the first images of Earth’s exosphere, the outermost layer of our planet’s atmosphere.
The Carruthers mission will build upon Dr. Carruthers’ legacy by charting changes in Earth’s exosphere. The mission’s vantage point at L1 offers a complete view of the exosphere not visible from the Moon’s relatively close distance to Earth. From there, it will address fundamental questions about the nature of the region, such as its shape, size, density, and how it changes over time.
The exosphere plays an important role in Earth’s response to space weather, which can impact our technology, from satellites in orbit to communications signals in the upper atmosphere or power lines on the ground. During space weather storms, the exosphere mediates the energy absorption and release throughout the near-Earth space environment, influencing strength of space weather disturbances. Carruthers will help us better understand the fundamental physics of our exosphere and improve our ability to predict the impacts of the Sun’s activity.
“We’ll be able to create movies of how this atmospheric layer responds when a solar storm hits, and watch it change with the seasons over time,” said Lara Waldrop, the principal investigator for the Carruthers Geocorona Observatory at the University of Illinois at Urbana-Champaign.
New space weather station: SWFO-L1
SWFO-L1 will provide real-time observations of the Sun’s corona and solar wind to help forecast the resulting space weather.
NOAA/BAE Systems Space & Mission Systems Distinct from NASA’s research satellites, SWFO-L1 will be an operational satellite, designed to observe solar activity and the solar wind in real time to provide critical data in NOAA’s mission to protect the nation from environmental hazards. SWFO-L1 will serve as an early-warning beacon for potentially damaging space weather events that could impact our technology on Earth. SWFO-L1 will observe the Sun’s outer atmosphere for large eruptions, called coronal mass ejections, and measure the solar wind upstream from Earth with a state-of-the-art suite of instruments and processing system.
This mission is the first of a new generation of NOAA space weather observatories dedicated to 24/7 operations, working to avoid gaps in continuity.
“SWFO-L1 will be an amazing deep-space mission for NOAA,” said Dimitrios Vassiliadis, SWFO program scientist at NOAA. “Thanks to its advantageous location at L1, it will continuously monitor the solar atmosphere while measuring the solar wind and its interplanetary magnetic fields well before it impacts Earth — and transmit these data in record time.”
With SWFO-L1’s enhanced performance, unobstructed views, and minimal delay between observations and data return, NOAA’s Space Weather Prediction Center forecasters will give operators improved lead time required to take precautionary actions that protect vital infrastructure, economic interests, and national security on Earth and in space.
By Mara Johnson-Groh
NASA’s Goddard Space Flight Center, Greenbelt, Md.
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Last Updated Sep 04, 2025 Related Terms
Carruthers Geocorona Observatory (GLIDE) Heliophysics Heliosphere IMAP (Interstellar Mapping and Acceleration Probe) NOAA (National Oceanic and Atmospheric Administration) Solar Wind Space Weather The Sun The Sun & Solar Physics Explore More
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