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By NASA
Credit: NASA NASA, on behalf of the National Oceanic and Atmospheric Administration (NOAA), has selected Southwest Research Institute of San Antonio to build three coronagraphs for the Lagrange 1 Series project, part of NOAA’s Space Weather Next program.
Once operational, the coronagraphs will provide critical data to NOAA’s Space Weather Prediction Center, which issues forecasts, warnings, and alerts that help mitigate space weather impacts, including electric power outages and interruption to communications and navigation systems.
This cost-plus-fixed-fee contract is valued at approximately $60 million, and the anticipated period of performance is from this November through January 2034, concluding after launch of the second coronagraph aboard a NOAA spacecraft. The third coronagraph will be delivered as a flight spare.
This contract award marks a transfer of coronagraph development from the government to the U.S. commercial sector. The contract scope includes design, analysis, development, fabrication, integration, test, verification, and evaluation of the coronagraphs; launch support; supply and maintenance of ground support equipment; and support of post-launch instrument operations at the NOAA Satellite Operations Facility. The work will take place at Southwest Research Institute’s facility in San Antonio.
The coronagraphs will observe the density structure of the Sun’s faint outermost atmosphere — the corona — and will detect Earth-directed coronal mass ejections shortly after they erupt, providing the longest possible lead time for geomagnetic storm watches. With this forewarning, public and private organizations affected by space weather can take actions to protect their assets. The coronagraphs will also provide data continuity from the Space Weather follow-on Lagrange 1 mission.
NASA and NOAA oversee the development, launch, testing and operation of all the satellites in the project. NOAA is the program owner providing the requirements and funding along with managing the program, operations, data products, and dissemination to users. NASA and its commercial partners develop and build the instruments, spacecraft, and provide launch services on behalf of NOAA.
For information about NASA and agency programs, visit:
https://www.nasa.gov
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Jeremy Eggers
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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
The laser that transmits between NASA’s Psyche spacecraft and Earth-based observatories for the Deep Space Optical Communications experiment successfully reaches its target thanks, in part, to a vibration isolation platform developed by Controlled Dynamics Inc., and supported by several Space Technology Mission Directorate programs. NASA/JPL-Caltech One year ago today, the future of space communications arrived at Earth as a beam of light from a NASA spacecraft nearly 10 million miles away. That’s 40 times farther than our Moon. That’s like using a laser pointer to track a moving dime from a mile away. That’s pretty precise.
That laser — transmitted from NASA’s DSOC (Deep Space Optical Communications) technology demonstration — has continued to hit its target on Earth from record-breaking distances.
“NASA’s Deep Space Optical Communications features many novel technologies that are needed to precisely point and track the uplink beacon and direct the downlink laser,” said Bill Klipstein, DSOC project manager at NASA’s Jet Propulsion Laboratory in Southern California.
One of the technologies aiding that extremely precise pointing was invented by a small business and fostered by NASA for more than a decade.
Whole Lotta Shakin’ Going On (Not!)
Part of the challenge with the precision pointing needed for DSOC was isolating the laser from the spacecraft’s vibrations, which would nudge the beam off target. Fortunately for NASA, Controlled Dynamics Inc. (CDI), in Huntington Beach, California, offered a solution to this problem.
The company had a platform designed to isolate orbiting experiments from vibrations caused by their host spacecraft, other payloads, crew movements, or even their own equipment. Just as the shocks on a car provide a smoother ride, the struts and actuators on CDI’s vibration isolation platform created a stable setting for delicate equipment.
This idea needed to be developed and tested first to prove successful.
The Path to Deep Space Success
NASA’s Space Technology Mission Directorate started supporting the platform’s development in 2012 under its Game Changing Development program with follow-on support from the SBIR (Small Business Innovation Research) program. The technology really began to take off — pun intended — under NASA’s Flight Opportunities program. Managed out of NASA’s Armstrong Flight Research Center in Edwards, California, Flight Opportunities rapidly demonstrates promising technologies aboard suborbital rockets and other vehicles flown by commercial companies.
Early flight tests in 2013 sufficiently demonstrated the platform’s performance, earning CDI’s technology a spot on the International Space Station in 2016. But the flight testing didn’t end there. A rapid series of flights with Blue Origin, UP Aerospace, and Virgin Galactic put the platform through its paces, including numerous boosts and thruster firings, pyrotechnic shocks, and the forces of reentry and landing.
“Flight Opportunities was instrumental in our development,” said Dr. Scott Green, CDI’s co-founder and the platform’s principal investigator. “With five separate flight campaigns in just eight months, those tests allowed us to build up flight maturity and readiness so we could transition to deep space.”
The vibration isolation platform developed by Controlled Dynamics Inc., and used on the Deep Space Optical Communications experiment conducted numerous tests through NASA’s Flight Opportunities program, including this flight aboard Virgin Galactic’s VSS Unity in February 2019. Virgin Galactic The culmination of NASA’s investments in CDI’s vibration isolation platform was through its Technology Demonstration Missions program, which along with NASA’s SCaN (Space Communications and Navigation) program supported NASA’s Deep Space Optical Communications.
On Oct. 13, 2023, DSOC launched aboard the Psyche spacecraft, a mission managed by JPL. The CDI isolation platform provided DSOC with the active stabilization and precision pointing needed to successfully transmit a high-definition video of Taters the cat and other sample data from record-breaking distances in deep space.
“Active stabilization of the flight laser transceiver is required to help the project succeed in its goal to downlink high bandwidth data from millions of miles,” said Klipstein. “To do this, we need to measure our pointing and avoid bumping into the spacecraft while we are floating. The CDI struts gave us that capability.”
The Deep Space Optical Communications technology demonstration’s flight laser transceiver is shown at NASA’s Jet Propulsion Laboratory in Southern California in April 2021. The transceiver is mounted on an assembly of struts and actuators — developed by Controlled Dynamics Inc. — that stabilizes the optics from spacecraft vibrations. Several Space Technology Mission Directorate programs supported the vibration isolation technology’s development. NASA/JPL-Caltech Onward Toward Psyche
The Psyche spacecraft is expected to reach its namesake metal-rich asteroid located between Mars and Jupiter by August 2029. In the meantime, the DSOC project team is celebrating recognition as one of TIME’s Inventions of 2024 and expects the experiment to continue adding to its long list of goals met and exceeded in its first year.
By Nancy Pekar
NASA’s Flight Opportunities Program
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By NASA
5 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA’s EMIT collected this hyperspectral image of the Amazon River in northern Brazil on June 30 as part of an effort to map global ecosystem biodiversity. The instrument was originally tasked with mapping minerals over deserts; its data is now being used in research on a diverse range of topics. NASA/JPL-Caltech The imaging spectrometer measures the colors of light reflected from Earth’s surface to study fields such as agriculture, hydrology, and climate science.
Observing our planet from the International Space Station since July 2022, NASA’s EMIT (Earth Surface Mineral Dust Source Investigation) mission is beginning its next act.
At first the imaging spectrometer was solely aimed at mapping minerals over Earth’s desert regions to help determine the cooling and heating effects that dust can have on regional and global climate. The instrument soon added another skill: pinpointing greenhouse gas emission sources, including landfills and fossil fuel infrastructure.
Following a mission extension this year, EMIT is now collecting data from regions beyond deserts, addressing topics as varied as agriculture, hydrology, and climate science.
Imaging spectrometers like EMIT detect the light reflected from Earth, and they separate visible and infrared light into hundreds of wavelength bands — colors, essentially. Scientists use patterns of reflection and absorption at different wavelengths to determine the composition of what the instrument is observing. The approach echoes Isaac Newton’s prism experiments in 1672, in which the physicist discovered that visible light is composed of a rainbow of colors.
Perched on the International Space Station, NASA’s EMIT can differentiate between types of vegetation to help researchers understand the distribution and traits of plant communities. The instrument collected this data over the mid-Atlantic U.S. on April 23.NASA/JPL-Caltech “Breakthroughs in optics, physics, and chemistry led to where we are today with this incredible instrument, providing data to help address pressing questions on our planet,” said Dana Chadwick, EMIT’s applications lead at NASA’s Jet Propulsion Laboratory in Southern California.
New Science Projects
In its extended mission, EMIT’s data will be the focus of 16 new projects under NASA’s Research Opportunities in Space and Earth Science (ROSES) program, which funds science investigations at universities, research institutions, and NASA.
For example, the U.S. Geological Survey (USGS) and the U.S. Department of Agriculture’s (USDA) Agricultural Research Service are exploring how EMIT can assess climate-smart agricultural practices. Those practices — winter cover crops and conservation tillage — involve protecting cropland during non-growing seasons with either living plants or dead plant matter to prevent erosion and manage nitrogen.
Imaging spectrometers are capable of gathering data on the distribution and characteristics of plants and plant matter, based on the patterns of light they reflect. The information can help agricultural agencies incentivize farmers to use sustainable practices and potentially help farmers manage their fields.
“We’re adding more accuracy and reducing error on the measurements we are supplying to end users,” said Jyoti Jennewein, an Agricultural Research Service research physical scientist based in Fort Collins, Colorado, and a project co-lead.
The USGS-USDA project is also informing analytical approaches for NASA’s future Surface Biology and Geology-Visible Shortwave Infrared mission. The satellite will cover Earth’s land and coasts more frequently than EMIT, with finer spatial resolution.
Looking at Snowmelt
Another new project will test whether EMIT data can help refine estimates of snowpack melting rates. Such an improvement could inform water management in states like California, where meltwater makes up the majority of the agricultural water supply.
Imaging spectrometers like EMIT measure the albedo of snow — the percentage of solar radiation it’s reflecting. What isn’t reflected is absorbed, so the observations indicate how much energy snow is taking in, which in turn helps with estimates of snow melt rates. The instruments also discern what’s affecting albedo: snow-grain size, dust or soot contamination, or both.
For this work, EMIT’s ability to measure beyond visible light is key. Ice is “pretty absorptive at near-infrared and the shortwave infrared wavelengths,” said Jeff Dozier, a University of California, Santa Barbara professor emeritus and the project’s principal investigator.
Other ROSES-funded projects focus on wildflower blooming, phytoplankton and carbon dynamics in inland waters, ecosystem biodiversity, and functional traits of forests.
Dust Impacts
Researchers with EMIT will continue to study the climate effects of dust. When lofted into the air by windstorms, darker, iron-filled dust absorbs the Sun’s heat and warms the surrounding air, while lighter-colored, clay-rich particles do the opposite. Scientists have been uncertain whether airborne dust has overall cooling or warming effects on the planet. Before EMIT, they could only assume the color of particles in a region.
The EMIT mission is “giving us lab-quality results, everywhere we need to know,” said Natalie Mahowald, the mission’s deputy principal investigator and an Earth system scientist at Cornell University in Ithaca, New York. Feeding the data into Earth system computer models, Mahowald expects to get closer to pinpointing dust’s climate impact as Earth warms.
Greenhouse Gas Detection
The mission will continue to identify point-source emissions of methane and carbon dioxide, the greenhouse gases most responsible for climate change, and observations are available through EMIT’s data portal and the U.S. Greenhouse Gas Center.
The EMIT team is also refining the software that identifies and measures greenhouse-gas plumes in the data, and they’re working to streamline the process with machine-learning automation. Aligning with NASA’s open science initiative, they are sharing code with public, private, and nonprofit organizations doing similar work.
“Making this work publicly accessible has fundamentally pushed the science of measuring point-source emissions forward and expanded the use of EMIT data,” said Andrew Thorpe, the JPL research technologist heading the EMIT greenhouse gas effort.
More About EMIT
The EMIT instrument was developed by NASA’s Jet Propulsion Laboratory, which is managed for the agency by Caltech in Pasadena, California. Launched to the International Space Station in July 2022, EMIT is on an extended three-year mission in which it’s supporting a range of research projects. EMIT’s data products are available at the NASA Land Processes Distributed Active Archive Center for use by other researchers and the public.
To learn more about the mission, visit:
https://earth.jpl.nasa.gov/emit/
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By NASA
This photo shows the Optical Telescope Assembly for NASA’s Nancy Grace Roman Space Telescope, which was recently delivered to the largest clean room at the agency’s Goddard Space Flight Center in Greenbelt, Md.NASA/Chris Gunn NASA’s Nancy Grace Roman Space Telescope is one giant step closer to unlocking the mysteries of the universe. The mission has now received its final major delivery: the Optical Telescope Assembly, which includes a 7.9-foot (2.4-meter) primary mirror, nine additional mirrors, and supporting structures and electronics. The assembly was delivered Nov. 7. to the largest clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, where the observatory is being built.
The telescope will focus cosmic light and send it to Roman’s instruments, revealing many billions of objects strewn throughout space and time. Using the mission’s Wide Field Instrument, a 300-megapixel infrared camera, astronomers will survey the cosmos all the way from the outskirts of our solar system toward the edge of the observable universe. Scientists will use Roman’s Coronagraph Instrument to test new technologies for dimming host stars to image planets and dusty disks around them in far better detail than ever before.
“We have a top-notch telescope that’s well aligned and has great optical performance at the cold temperatures it will see in space,” said Bente Eegholm, optics lead for Roman’s Optical Telescope Assembly at NASA Goddard. “I am now looking forward to the next phase where the telescope and instruments will be put together to form the Roman observatory.”
In this photo, optical engineer Bente Eegholm inspects the surface of the primary mirror for NASA’s Nancy Grace Roman Space Telescope. This 7.9-foot (2.4-meter) mirror is a major component of the Optical Telescope Assembly, which also contains nine additional mirrors and supporting structures and electronics.NASA/Chris Gunn Designed and built by L3Harris Technologies in Rochester, New York, the assembly incorporates key optics (including the primary mirror) that were made available to NASA by the National Reconnaissance Office. The team at L3Harris then reshaped the mirror and built upon the inherited hardware to ensure it would meet Roman’s specifications for expansive, sensitive infrared observations.
“The telescope will be the foundation of all of the science Roman will do, so its design and performance are among the largest factors in the mission’s survey capability,” said Josh Abel, lead Optical Telescope Assembly systems engineer at NASA Goddard.
The team at Goddard worked closely with L3Harris to ensure these stringent requirements were met and that the telescope assembly will integrate smoothly into the rest of the Roman observatory.
The assembly’s design and performance will largely determine the quality of the mission’s results, so the manufacturing and testing processes were extremely rigorous. Each optical component was tested individually prior to being assembled and assessed together earlier this year. The tests helped ensure that the alignment of the telescope’s mirrors will change as expected when the telescope reaches its operating temperature in space.
Then, the telescope was put through tests simulating the extreme shaking and intense sound waves associated with launch. Engineers also made sure that tiny components called actuators, which will adjust some of the mirrors in space, move as predicted. And the team measured gases released from the assembly as it transitioned from normal air pressure to a vacuum –– the same phenomenon that has led astronauts to report that space smells gunpowdery or metallic. If not carefully controlled, these gases could contaminate the telescope or instruments.
Upon arrival at NASA’s Goddard Space Flight Center, the Optical Telescope Assembly for the agency’s Nancy Grace Roman Space Telescope was lifted out of the shipping fixture and placed with other mission hardware in Goddard’s largest clean room. Now, it will be installed onto Roman’s Instrument Carrier, a structure that will keep the telescope and Roman’s two instruments optically aligned. The assembly’s electronics box –– essentially the telescope’s brain –– will be mounted within the spacecraft along with Roman’s other electronics.NASA/Chris Gunn Finally, the telescope underwent a month-long thermal vacuum test to ensure it will withstand the temperature and pressure environment of space. The team closely monitored it during cold operating conditions to ensure the telescope’s temperature will remain constant to within a fraction of a degree. Holding the temperature constant allows the telescope to remain in stable focus, making Roman’s high-resolution images consistently sharp. Nearly 100 heaters on the telescope will help keep all parts of it at a very stable temperature.
“It is very difficult to design and build a system to hold temperatures to such a tight stability, and the telescope performed exceptionally,” said Christine Cottingham, thermal lead for Roman’s Optical Telescope Assembly at NASA Goddard.
Now that the assembly has arrived at Goddard, it will be installed onto Roman’s Instrument Carrier, a structure that will keep the telescope and Roman’s two instruments optically aligned. The assembly’s electronics box –– essentially the telescope’s brain –– will be mounted within the spacecraft along with Roman’s other electronics.
With this milestone, Roman remains on track for launch by May 2027.
“Congratulations to the team on this stellar accomplishment!” said J. Scott Smith, the assembly’s telescope manager at NASA Goddard. “The completion of the telescope marks the end of an epoch and incredible journey for this team, and yet only a chapter in building Roman. The team’s efforts have advanced technology and ignited the imaginations of those who dream of exploring the stars.”
Virtually tour an interactive version of the telescope The Nancy Grace Roman Space Telescope is managed at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, with participation by NASA’s Jet Propulsion Laboratory and Caltech/IPAC in Southern California, the Space Telescope Science Institute in Baltimore, and a science team comprising scientists from various research institutions. The primary industrial partners are BAE Systems Inc. in Boulder, Colorado; L3Harris Technologies in Rochester, New York; and Teledyne Scientific & Imaging in Thousand Oaks, California.
By Ashley Balzer
NASA’s Goddard Space Flight Center, Greenbelt, Md.
Media Contact:
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NASA’s Goddard Space Flight Center, Greenbelt, Md.
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Last Updated Nov 14, 2024 EditorAshley BalzerContactAshley Balzerashley.m.balzer@nasa.govLocationGoddard Space Flight Center Related Terms
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By NASA
5 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Note: The following article is part of a series highlighting propulsion testing at NASA’s Stennis Space Center. To access the entire series, please visit: https://www.nasa.gov/feature/propulsion-powering-space-dreams/.
NASA engineers conduct a test of the liquid oxygen/liquid methane Morpheus lander engine HD4B on the E-3 Test Stand at NASA’s Stennis Space Center during the week of Sept. 9, 2013. The fourth-generation Project Morpheus engine was a prototype vertical takeoff and landing vehicle designed to advance innovative technologies into flight-proven systems that may be incorporated into future human exploration missions. NASA/Stennis The work of NASA has fueled commercial spaceflight for takeoff – and for many aerospace companies, the road to launch begins at NASA’s Stennis Space Center near Bay St. Louis, Mississippi.
Already the nation’s largest propulsion test site and a leader in working with aerospace companies to support their testing needs, NASA Stennis aims to continue growing its commercial market even further.
“The aerospace industry is expanding rapidly, and we are here to support it,” said NASA Stennis Director John Bailey. “NASA Stennis has proven for more than two decades that we have the versatile infrastructure and reliable propulsion test experts to meet testing needs and accelerate space goals for a whole range of customers.”
The central hub for meeting those needs at the south Mississippi center is the E Test Complex. It features four stands with 12 test cells capable of supporting a range of component and engine test activities. NASA operates the E-1 Test Stand with four cell positions and the E-3 Test Stand with two cells. Relativity Space, based in Long Beach, California, leases the E-2 and E-4 stands to support some of its test operations.
Operators conduct a hot fire for Relativity Space’s Aeon R thrust chamber assembly on the E-1 Test Stand at NASA’s Stennis Space Center in 2024. NASA/Stennis Virgin Orbit, a satellite-launch company, conducts a Thrust Chamber Assembly test on the E-1 Test Stand at NASA’s Stennis Space Center in 2021. The company partnered with NASA Stennis to conduct hot fire tests totaling a cumulative 974.391 seconds.NASA/Stennis Launcher’s 3D-printed Engine-2 rocket engine completes a 5-second hot fire of its thrust chamber assembly on Aug. 20, 2021, at NASA’s Stennis Space Center. The company was just one of several conducting test projects on site in 2021. Launcher, Virgin Orbit, Relativity Space, and L3Harris (formerly known as Aerojet Rocketdyne) made significant strides toward their space-project goals while utilizing NASA Stennis infrastructure.Launcher/John Kraus Photography An image from November 2021 shows a subscale center body diffuser hot fire on the E-3 Test Stand during an ongoing advanced diffuser test series at NASA’s Stennis Space Center. NASA/Stennis A team of engineers from NASA, Orbital Sciences Corporation and L3Harris (formerly known as Aerojet Rocketdyne) conduct an engine acceptance test on the E-1 Test Stand at NASA’s Stennis Space Center on Jan. 18, 2013. The successful test of AJ26 Engine E12 continued support of Orbital Sciences Corporation as the company prepared to provide commercial cargo missions to the International Space Station. NASA/Stennis Developed during the 1990s and early 2000s, the E Test Complex can deliver various propellants and gases at high and low pressures and flow rates not available elsewhere. The versatility of the complex infrastructure and test team allows it to support projects for commercial aerospace companies, large and small. NASA Stennis also provides welding, machining, calibration, precision cleaning, and other support services required to conduct testing.
“NASA Stennis delivers exceptional results in a timely manner with our capabilities and services,” said Duane Armstrong, manager of the NASA Stennis Strategic Business Development Office. “Our commercial partnerships and agreements have proven to be true win-win arrangements. NASA Stennis is where customers have access to unique NASA test support infrastructure and expertise, making it the go-to place for commercial propulsion testing.”
Companies come to the south Mississippi site with various needs. Some test for a short time and collect essential data. Others stay for an extended period. The stage of development and the particular test article, whether a component or full engine, determine where testing takes place within the E Complex.
NASA Stennis also offers a variety of test agreements. Companies may lease a stand or area and perform its own test campaign. They also may team with NASA Stennis engineers and operators to form a blended test team. And in some cases, companies will turn over the entirety of test work to the NASA Stennis team. Current companies conducting work at NASA Stennis include: Blue Origin; Boeing; Evolution Space; Launcher, a Vast company; Relativity Space; and Rolls-Royce. They join a growing list who conducted earlier test projects in the complex, including SpaceX, Stratolaunch, Virgin Orbit, and Orbital Sciences Corporation.
In addition, three companies – Relativity Space, Rocket Lab, and Evolution Space – are establishing production and/or test operations onsite.
“We may work with a customer brand new to the field, so we help them figure out how to build their engine,” said Chris Barnett-Woods, E-1 electrical lead and instrumentation engineer. “Another customer may know exactly what they want, and we support them to make it happen. We focus on customer need. Given our expertise, we know how testing needs to be conducted or can figure it out quickly together, which can help our customer save money toward a successful outcome.”
NASA engineers conduct a test of a methane-fueled 2K thruster on the E-3 Test Stand at NASA’s Stennis Space Center during a four-day span in May 2015. NASA/Stennis NASA records a historic week Nov. 5-9, 2012, conducting 27 tests on three different rocket engines/components across three stands in the E Test Complex at NASA’s Stennis Space Center. Inset images show the types of tests conducted on the E-1 Test Stand (right), the E-2 Test Stand (left) and the E-3 Test Stand (center). The E-1 image is from an October 2012 test and is provided courtesy of Blue Origin. Other images are from tests conducted the week of Nov. 5, 2012. NASA/Stennis Operators at the E-2 Test Stand at NASA’s Stennis Space Center conduct a test of the oxygen preburner component developed by SpaceX for its Raptor rocket engine on June 9, 2015. NASA/Stennis Operators conduct a hot fire on the E-3 Test Stand during ongoing advanced diffuser test series in October 2015 at NASA’s Stennis Space Center. Subscale testing was conducted at NASA Stennis to validate innovative new diffuser designs to help test rocket engines at simulated high altitudes, helping to ensure the engines will fire and operate on deep space missions as needed. NASA/Stennis NASA’s Stennis Space Center and L3Harris (formerly known as Aerojet Rocketdyne) complete a successful round of AR1 preburner tests on Cell 2 of the E-1 Test Stand during the last week of June 2016. The tests successfully verified key preburner injector design parameters for the company’s AR1 engine being designed to end use of Russian engines for national security space launches. NASA/Stennis Capabilities to benefit NASA and the aerospace industry have grown since the center entered its first commercial partnership in the late 1990s. The test team also has grown in understanding the commercial approach, and the center has committed itself to adapting and streamlining its business processes.
“Time-to-market is key for commercial companies,” said Joe Schuyler, director of the NASA Stennis Engineering and Test Directorate. “They want to test as efficiently and economically as possible. Our goal is to meet them where they are and deliver what they need. And that is exactly what we focus our efforts on.”
As stated in the site’s latest strategic plan, the goal is to operate as “a multi-user propulsion testing enterprise that accelerates the development of aerospace systems and services by government and industry.” To that end, the site is innovating its operations, modernizing its services, and demonstrating it is the best choice for propulsion testing.
“NASA Stennis is open for business as the preferred propulsion provider for aerospace companies,” Bailey said. “Companies across the board are realizing they can achieve their desired results at NASA Stennis.”
For information about NASA’s Stennis Space Center, visit:
Stennis Space Center – NASA
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Last Updated Nov 13, 2024 EditorNASA Stennis CommunicationsContactC. Lacy Thompsoncalvin.l.thompson@nasa.gov / (228) 688-3333LocationStennis Space Center Related Terms
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