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NASA’s Stennis Space Center Employees Receive NASA Honor Awards


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NASA Stennis Space Center Director John Bailey and NASA Associate Administrator for Space Operations Kenneth Bowersox presented NASA Honor Awards to Stennis employees during an onsite ceremony May 15.

Prior to presenting NASA Honor Awards to Stennis employees, Bailey received the Meritorious Senior Executive Presidential Rank Award. The award from the President of the United States is one of the highest awards given to career Senior Executive Service employees.

Since joining NASA in 1999, Bailey has served in various management and leadership roles. He was named NASA Stennis center director in April. As director, Bailey is responsible for implementing NASA’s mission in rocket propulsion testing and developing and maintaining NASA’s world-class rocket propulsion test facilities. He has provided leadership and managed critical rocket propulsion test assets exceeding $2 billion in replacement value and managed projects over $221 million.

One NASA Stennis employee received NASA’s Outstanding Leadership Medal. The medal is awarded to government employees for notable leadership accomplishments that have significantly influenced the NASA mission.

NASA Honor Awards Recipients

MIchael Tubbs
MIchael Tubbs
NASA/Stennis

Michael Tubbs of Diamondhead, Mississippi, received the NASA Outstanding Leadership Medal for his work as deputy director of the Office of Strategic Infrastructure within the Center Operations Directorate at NASA Stennis. The Yorktown, Virginia, native ushered in improvements and new initiatives that have helped achieve a cultural transformation and millions in cost-saving measures. His accomplishments also include leading the efforts to complete lease agreements between NASA and Rocket Lab of America for use of the A-3 Test Stand and between NASA and Relativity Space for use of the A-2 Test Stand.

Five NASA Stennis employees received NASA’s Exceptional Service Medal. The medal is awarded to government employees for sustained performance that embodies multiple contributions to NASA projects, programs, or initiatives.

David Lorance
David Lorance
NASA/Stennis

David Lorance of Slidell, Louisiana, received the NASA Exceptional Service Medal for his efforts in furthering the NASA mission through leadership of the Environmental and Health Services Office Division in the Center Operations Directorate at NASA Stennis. Lorance has been responsible for ensuring compliance with numerous environmental programs, managing resources to ensure requirements are met with no impact to mission projects, managing hundreds of regulatory reports for submission on time, and ensuring environmental permits are maintained.

Bradley Messer
Bradley Messer
NASA/Stennis

Brad Messer of Santa Rosa Beach, Florida, received the NASA Exceptional Service Medal for more than 32 years of service to NASA. Since joining NASA in 1991, Messer has contributed to a variety of propulsion test and engineering projects. As assistant director of the NASA Stennis Engineering and Test Directorate in charge of the Office of Project Management, Planning and Control, he has been responsible for the day-to-day business operations and project activities across the test complex. Messer has also made significant contributions to the strategic planning and execution of activities essential to the future state of the test complex.

Kevin Power
Kevin Power
NASA/Stennis

Kevin Power of Mandeville, Louisiana, received the NASA Exceptional Service Medal for more than 34 years of service to NASA. As deputy assistant director for the Office of Project Management, Planning and Control in the Engineering and Test Directorate at NASA Stennis, the Port Sulphur, Louisiana, native has consistently delivered support to the NASA Stennis vision and mission. He has helped accomplish center, NASA, and national goals by providing management and engineering leadership, expertise, resources, and guidance to multiple NASA and commercial propulsion test projects, including some of the center’s most critical test infrastructure efforts.

Cecile Saltzman
Cecile Saltzman
NASA/Stennis

Cecile Saltzman of Pass Christian, Mississippi, received the NASA Exceptional Service Medal for more than 20 years of service to the NASA Stennis Engineering and Test Directorate. Saltzman’s work has included management of the directorate document process control function, ensuring NASA Stennis test complex assets and support facilities are operated, utilized, and continually improved in providing premier testing services to NASA and commercial customers. The Thibodaux, Louisiana, native has consistently exceeded the agency’s timeline for editing fiscal year accomplishments of all NASA Stennis senior executive service and senior level personnel.

John Stealey
John Stealey
NASA/Stennis

John Stealey of Diamondhead, Mississippi, received the NASA Exceptional Service Medal for more than 35 years of service to NASA, including 26 years at NASA Stennis. The Granville, Tennessee, native has contributed to a range of agency and center projects. Among his accomplishments, Stealey has assisted in overseeing strategic planning for NASA Stennis propulsion test facilities and workforce. He has served in various center roles, including as deputy of the Safety and Mission Assurance Directorate and assistant director of the Engineering and Test Directorate. He also served on the agency-level Exploration System Directorate Standing Review Board, providing expert advice on systems engineering and project management.

One NASA Stennis employee received NASA’s Exceptional Public Service Medal. The medal is awarded to non-government individuals or to an individual who was not a government employee during the period in which the service was performed for sustained performance that embodies multiple contributions on NASA projects, programs, or initiatives.

Rodney King
Rodney King
NASA/Stennis

Rodney King of Picayune, Mississippi, received the NASA Exceptional Public Service Medal for efforts as the facility maintenance supervisor on the Synergy-Achieving Consolidated Operations and Maintenance contract at NASA Stennis. In that role, King has been responsible for electrical and high voltage work at the site. King’s service-centered approach has rendered him successful in technical work activities and how he relates to customers, management, peers, and direct reports. He has been recognized by organizations throughout the NASA Stennis federal city for his quick response to outages or calls within their facilities.

Four NASA Stennis employees received NASA’s Exceptional Bravery Medal. The medal is awarded to both government and non-government individuals for exemplary and courageous handling of an emergency by an individual who, independent of personal danger, has acted to prevent the loss of human life and/or government property.

Barry Hoda
Barry Hoda
NASA/Stennis

Barry Hoda of Kiln, Mississippi, received the NASA Exceptional Bravery Medal for exemplary and courageous actions while responding to a medical emergency at NASA Stennis to prevent the loss of human life on Dec. 7, 2022. An officer with Chenega Global Protection, Hoda noted the employee was unresponsive, and no pulse or respiration were detected. Hoda immediately began cardiopulmonary resuscitation (CPR) and then synchronized CPR chest compressions with other respondents, ensuring a continuous, uninterrupted blood supply to the employee’s brain. The rapid response and coordinated effort were directly responsible for saving a life.

Leeanna Dunigan of Diamondhead, Mississippi, received the NASA Exceptional Bravery Medal for exemplary and courageous actions while responding to a medical emergency at NASA Stennis to prevent the loss of human life on Dec. 7, 2022. A captain with Chenega Global Protection, Dunigan helped provide cardiopulmonary resuscitation (CPR) to the employee in distress by synchronizing CPR chest compressions with other respondents, ensuring a continuous, uninterrupted blood supply to the employee’s brain. The rapid response and coordinated effort were directly responsible for saving a life.

Brenden Burns of Gulfport, Mississippi, received the NASA Exceptional Bravery Medal for exemplary and courageous actions while responding to a medical emergency at NASA Stennis to prevent the loss of human life on Dec. 7, 2022. An officer with Chenega Global Protection, Burns utilized an automated external defibrillator on an employee in distress. The rapid response and coordinated effort with others were directly responsible for saving a life.

Issac Delancey
Issac Delancey
NASA/Stennis

Issac Delancey of Picayune, Mississippi, received the NASA Exceptional Bravery Medal for exemplary and courageous actions while responding to a medical emergency at NASA Stennis to prevent the loss of human life on Dec. 7, 2022. An officer with Chenega Global Protection, Delancey provided the automated external defibrillator while responding to an incident of an employee in distress. Upon arrival, Delancey provided the employee with artificial respiration and coordinated effort with others to maximize the effect of chest compressions. The rapid response and coordinated effort were directly responsible for saving a life.

One NASA Stennis employee received the NASA Exceptional Technology Achievement Medal. The medal is awarded to government or non-government individuals for exceptional technology contributions.

Richard Smith
Richard Smith
NASA/Stennis

Richard Smith of Picayune, Mississippi, received NASA’s Exceptional Technology Achievement Medal for efforts that led to significant advances to the data acquisition and thrust vector control systems that provide critical support to propulsion testing onsite. Among his contributions, Smith, a contractor on the operations and maintenance contract at NASA Stennis, was the primary software system architect for the thrust vector control work to enable rocket engine gimbal testing. He also worked to ensure safe hydraulic operation of the system. His efforts enabled the NASA Stennis test team to perform successful certification testing of the new RS-25 production engine.

Four NASA Stennis employees received the NASA Exceptional Achievement Medal. The medal is awarded to any government employee for a significant specific achievement or substantial improvement in operations, efficiency, service, financial savings, science, or technology which contributes to the mission of NASA.

John Boffenmyer
John Boffenmyer
NASA/Stennis

John Boffenmyer of Slidell, Louisiana, received NASA’s Exceptional Achievement Medal for maintaining the highest levels of performance in his remediation responsibilities within the NASA Stennis Center Operations Directorate, resulting in substantial benefits to the agency. As NASA Remediation Program manager for NASA Stennis, Boffenmyer’s work is integral to the Environmental and Health Services Office achieving the NASA Stennis and NASA missions. In conjunction with management of field operations, the Pottsville, Pennsylvania, native has demonstrated outstanding program management, with all audits of the NASA Stennis program proving successful.

Thomas Meredith
Thomas Meredith
NASA/Stennis

Thomas Meredith of Slidell, Louisiana, received NASA’s Exceptional Achievement Medal for his efforts as deputy chief engineer at NASA Stennis. During his tenure, the Enterprise, Alabama native has made substantial improvements to the management of test facility hardware in support of the center’s rocket propulsion test operations. Meredith’s leadership and dedication in the management of rocket propulsion test hardware have contributed to two areas of agency emphasis, the sustainment and modernization of mission-critical facilities and the employment of digital technologies to change and improve a process, product, or capability.

Kris Mobbs
Kris Mobbs

Kris Mobbs of Woolmarket, Mississippi, received NASA’s Exceptional Achievement Medal for his efforts as software engineer in the NASA Stennis Engineering and Test Directorate to lead development of the NASA Data Acquisition Software suite for the acquisition, displaying, and recording of critical data during daily and test activities. Mobbs has led in identifying and implementing new capabilities of the software suite and in development of software packages to help increase the reliability of test data and performance of the test team. As a direct outcome of his leadership, use of the software has expanded to all the NASA Stennis-operated test facilities.

Ryan Seals
Ryan Seals
NASA/Stennis

Ryan Seals of Carriere, Mississippi, received NASA’s Exceptional Achievement Medal for his contributions to the NASA Stennis propulsion test mission. Since beginning his career with NASA in 2016, the Poplarville, Mississippi, native has proven his expertise regarding test stand components and systems, contributing to the team responsible for testing the RS-25 engine that powers NASA’s SLS (Space Launch System) rocket. Seals also provided depth for the Thad Cochran Test Stand (B-2) team in preparation for hot fire testing of the SLS core stage. He also has supported commercial partner testing at the E Test Complex.

Four NASA Stennis employees received NASA’s Early Career Achievement Medal. The medal is awarded to government employees for unusual and significant performance during the first 10 years of an individual’s career in support of the agency.

Huy Nguyen
Huy Nguyen
NASA/Stennis

Huy Nguyen of Slidell, Louisana, received the NASA Early Career Achievement Medal for his contributions as the facility controls engineer in the Electrical Test Operations Branch in the NASA Stennis Engineering and Test Directorate. In that role, Nguyen has supported the daily operations of the High Pressure Gas Facility and High Pressure Industrial Water Facility, which provide critical support to test complex propulsion activities. Among his contributions, Nguyen was instrumental to the success of upgrades, analysis, and practice runs to mitigate any risks during Green Run testing of the SLS (Space Launch System) core stage at NASA Stennis.

Kevin Oramous
Kevin Oramous
NASA/Stennis

Kevin Oramous of Slidell, Louisiana, received the NASA Early Career Achievement Medal for his contributions to propulsion test activities and support facilities to directly advance NASA’s rocket propulsion test mission. The New Orleans native began his career at NASA Stennis in 2019 in the Mechanical Operations Branch of the NASA Stennis engineering and Test Directorate, working in the site’s E Test Complex and High Pressure Gas Facility, using his expertise to support operation and systems projects and activities. Oramous also has supported RS-25 testing, propellant and commodity management, and the Thad Cochran Test Stand (B-2) during the SLS (Space Launch System) core stage testing.

Jason Richard
Jason Richard
NASA/Stennis

Jason Richard of Mandeville, Louisiana, received the NASA Early Career Achievement Medal for contributions to NASA’s support of commercial propulsion test partners at NASA Stennis. As project engineer at the E-1 Test Facility, Richard ensured completion of facility design, construction, and activation phases for the Relativity Space Aeon-R Thrust Chamber Assembly test project, while maintaining rigorous quality and safety standards. Working with the NASA Stennis Strategic Business Development Office, Richard has helped bridge the propulsion testing and business development teams and worked to implement the office’s information technology strategy.

Bradley Tyree
Bradley Tyree
NASA/Stennis

Bradley Tyree of Picayune, Mississippi, received the NASA Early Career Achievement Medal for his work in the Mechanical Operations Branch in the NASA Stennis Engineering and Test Directorate. Tyree has provided leadership and technical expertise to key projects, including E Test Complex support of SLS (Space Launch System) core stage testing at NASA Stennis. Since being assigned to support RS-25 testing, his knowledge of propellant handling techniques, technical system maintenance, and test processes have proved invaluable and enabled his progression as a propellant transfer engineer and RS-25 test conductor.

One NASA Stennis employee received NASA’s Silver Achievement Medal. The medal is awarded to any government or non-government employee for a stellar achievement that supports one or more of NASA’s core values, when it is deemed to be extraordinarily important and appropriate to recognize such achievement in a timely and personalized manner.

Gregg De Felicibus
Gregg De Felicibus
NASA/Stennis

Gregg De Felicibus of Pass Christian, Mississippi, received the NASA Silver Achievement Medal for displaying NASA’s core values of safety, integrity, teamwork, excellence, and inclusion while carrying out his work as a contracting officer in the Office of Procurement in support of advancing Space Exploration and NASA’s strategic goals. He has been responsible for the award and management of five critical services contracts valued at over $18.6 million. He has served as an advisor and mentor, has supported the NASA Stennis Small Business Office in achieving its socio-economic goals, has administered over $43 million in contracts, and has negotiated over $5.7 million in cost savings.

For information about NASA’s Stennis Space Center, visit:

Stennis Space Center – NASA

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Last Updated
Jun 03, 2024
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NASA Stennis Communications
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C. Lacy Thompson
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      Image: JADES deep field
      A near-infrared image from NASA’s James Webb Space Telescope shows a region known as the JADES Deep Field. Tens of thousands of galaxies are visible in this tiny patch of sky, including Little Red Dots and hundreds of galaxies that existed more than 13.2 billion years ago, when the universe was less than 600 million years old. Webb also spotted roughly 80 ancient supernovae, many of which exploded when the universe was less than 2 billion years old. This is ten times more supernovae than had ever been discovered before in the early universe. Comparing these supernovae from the distant past with those in the more recent, nearby universe helps us understand how stars in these early times formed, lived, and died, seeding space with the elements for new generations of stars and their planets. NASA, ESA, CSA, STScI, JADES Collaboration 2. Deep space is scattered with enigmatic “Little Red Dots.”
      Webb has revealed a new type of galaxy: a distant population of mysteriously compact, bright, red galaxies dubbed Little Red Dots. What makes Little Red Dots so bright and so red? Are they lit up by dense groupings of unusually bright stars or by gas spiraling into a supermassive black hole, or both? And whatever happened to them? Little Red Dots seem to have appeared in the universe around 600 million years after the big bang (13.2 billion years ago), and rapidly declined in number less than a billion years later. Did they evolve into something else? If so, how? Webb is probing Little Red Dots in more detail to answer these questions.
      3. Pulsating stars and a triply lensed supernova are further evidence that the “Hubble Tension” is real.
      How fast is the universe expanding? It’s hard to say because different ways of calculating the current expansion rate yield different results — a dilemma known as the Hubble Tension. Are these differences just a result of measurement errors, or is there something weird going on in the universe? So far, Webb data indicates that the Hubble Tension is not caused by measurement errors. Webb was able to distinguish pulsating stars from nearby stars in a crowded field, ensuring that the measurements weren’t contaminated by extra light. Webb also discovered a distant, gravitationally lensed supernova whose image appears in three different locations and at three different times during its explosion. Calculating the expansion rate based on the brightness of the supernova at these three different times provides an independent check on measurements made using other techniques. Until the matter of the Hubble Tension is settled, Webb will continue measuring different objects and exploring new methods.
      4. Webb has found surprisingly rich and varied atmospheres on gas giants orbiting distant stars.
      While NASA’s Hubble Space Telescope made the first detection of gases in the atmosphere of a gas giant exoplanet (a planet outside our solar system), Webb has taken studies to an entirely new level. Webb has revealed a rich cocktail of chemicals, including hydrogen sulfide, ammonia, carbon dioxide, methane, and sulfur dioxide — none of which had been clearly detected in an atmosphere outside our solar system before. Webb has also been able to examine exotic climates of gas giants as never before, detecting flakes of silica “snow” in the skies of the puffy, searing-hot gas giant WASP-17 b, for example, and measuring differences in temperature and cloud cover between the permanent morning and evening skies of WASP-39 b.
      Image: Spectrum of WASP-107 b
      A transmission spectrum of the “warm Neptune” exoplanet WASP-107 b captured by NASA’s Hubble and Webb space telescopes, shows clear evidence for water, carbon dioxide, carbon monoxide, methane, sulfur dioxide, and ammonia in the planet’s atmosphere. These measurements allowed researchers to estimate the interior temperature and mass of the core of the planet, as well as understand the chemistry and dynamics of the atmosphere. NASA, ESA, CSA, Ralf Crawford (STScI) 5. A rocky planet 40 light-years from Earth may have an atmosphere fed by gas bubbling up from its lava-covered surface.
      Detecting, let alone analyzing, a thin layer of gas surrounding a small rocky planet is no easy feat, but Webb’s extraordinary ability to measure extremely subtle changes in the brightness of infrared light makes it possible. So far, Webb has been able to rule out significant atmosphere on a number of rocky planets, and has found tantalizing signs of carbon monoxide or carbon dioxide on 55 Cancri e, a lava world that orbits a Sun-like star. With findings like these, Webb is laying the groundwork for NASA’s future Habitable Worlds Observatory, which will be the first mission purpose-built to directly image and search for life on Earth-like planets around Sun-like stars.
      6. Webb exposes the skeletal structure of nearby spiral galaxies in mesmerizing detail.
      We already knew that galaxies are collections of stars, planets, dust, gas, dark matter, and black holes: cosmic cities where stars form, live, die, and are recycled into the next generation. But we had never been able to see the structure of a galaxy and the interactions between stars and their environment in such detail. Webb’s infrared vision reveals filaments of dust that trace the spiral arms, old star clusters that make up galactic cores, newly forming stars still encased in dense cocoons of glowing dust and gas, and clusters of hot young stars carving enormous cavities in the dust. It also elucidates how stellar winds and explosions actively reshape their galactic homes.
      Image: PHANGS Phantom Galaxy (M74/NGC 628)
      A near- to mid-infrared image from NASA’s James Webb Space Telescope highlights details in the complex structure of a nearby galaxy that are invisible to other telescopes. The image of NGC 628, also known as the Phantom Galaxy, shows spiral arms with lanes of warm dust (represented in red), knots of glowing gas (orange-yellow), and giant bubbles (black) carved by hot, young stars. The dust-free core of the galaxy is filled with older, cooler stars (blue). NASA, ESA, CSA, STScI, Janice Lee (STScI), Thomas Williams (Oxford), PHANGS team 7. It can be hard to tell the difference between a brown dwarf and a rogue planet.
      Brown dwarfs form like stars, but are not dense or hot enough to fuse hydrogen in their cores like stars do. Rogue planets form like other planets, but have been ejected from their system and no longer orbit a star. Webb has spotted hundreds of brown-dwarf-like objects in the Milky Way, and has even detected some candidates in a neighboring galaxy. But some of these objects are so small — just a few times the mass of Jupiter — that it is hard to figure out how they formed. Are they free-floating gas giant planets instead? What is the least amount of material needed to form a brown dwarf or a star? We’re not sure yet, but thanks to three years of Webb observations, we now know there is a continuum of objects from planets to brown dwarfs to stars.
      8. Some planets might be able to survive the death of their star.
      When a star like our Sun dies, it swells up to form a red giant large enough to engulf nearby planets. It then sheds its outer layers, leaving behind a super-hot core known as a white dwarf. Is there a safe distance that planets can survive this process? Webb might have found some planets orbiting white dwarfs. If these candidates are confirmed, it would mean that it is possible for planets to survive the death of their star, remaining in orbit around the slowly cooling stellar ember.
      9. Saturn’s water supply is fed by a giant fountain of vapor spewing from Enceladus.
      Among the icy “ocean worlds” of our solar system, Saturn’s moon Enceladus might be the most intriguing. NASA’s Cassini mission first detected water plumes coming out of its southern pole. But only Webb could reveal the plume’s true scale as a vast cloud spanning more than 6,000 miles, about 20 times wider than Enceladus itself. This water spreads out into a donut-shaped torus encircling Saturn beyond the rings that are visible in backyard telescopes. While a fraction of the water stays in that ring, the majority of it spreads throughout the Saturnian system, even raining down onto the planet itself. Webb’s unique observations of rings, auroras, clouds, winds, ices, gases, and other materials and phenomena in the solar system are helping us better understand what our cosmic neighborhood is made of and how it has changed over time.
      Video: Water plume and torus from Enceladus
      A combination of images and spectra captured by NASA’s James Webb Space Telescope show a giant plume of water jetting out from the south pole of Saturn’s moon Enceladus, creating a donut-shaped ring of water around the planet.
      Credit: NASA, ESA, CSA, G. Villanueva (NASA’s Goddard Space Flight Center), A. Pagan (STScI), L. Hustak (STScI) 10. Webb can size up asteroids that may be headed for Earth.
      In 2024 astronomers discovered an asteroid that, based on preliminary calculations, had a chance of hitting Earth. Such potentially hazardous asteroids become an immediate focus of attention, and Webb was uniquely able to measure the object, which turned out to be the size of a 15-story building. While this particular asteroid is no longer considered a threat to Earth, the study demonstrated Webb’s ability to assess the hazard.
      Webb also provided support for NASA’s Double Asteroid Redirection Test (DART) mission, which deliberately smashed into the Didymos binary asteroid system, showing that a planned impact could deflect an asteroid on a collision course with Earth. Both Webb and Hubble observed the impact, serving witness to the resulting spray of material that was ejected. Webb’s spectroscopic observations of the system confirmed that the composition of the asteroids is probably typical of those that could threaten Earth.
      —-
      In just three years of operations, Webb has brought the distant universe into focus, revealing unexpectedly bright and numerous galaxies. It has unveiled new stars in their dusty cocoons, remains of exploded stars, and skeletons of entire galaxies. It has studied weather on gas giants, and hunted for atmospheres on rocky planets. And it has provided new insights into the residents of our own solar system.
      But this is only the beginning. Engineers estimate that Webb has enough fuel to continue observing for at least 20 more years, giving us the opportunity to answer additional questions, pursue new mysteries, and put together more pieces of the cosmic puzzle.
      For example: What were the very first stars like? Did stars form differently in the early universe? Do we even know how galaxies form? How do stars, dust, and supermassive black holes affect each other? What can merging galaxy clusters tell us about the nature of dark matter? How do collisions, bursts of stellar radiation, and migration of icy pebbles affect planet-forming disks? Can atmospheres survive on rocky worlds orbiting active red dwarf stars? Is Uranus’s moon Ariel an ocean world?
      As with any scientific endeavor, every answer raises more questions, and Webb has shown that its investigative power is unmatched. Demand for observing time on Webb is at an all-time high, greater than any other telescope in history, on the ground or in space. What new findings await?
      By Dr. Macarena Garcia Marin and Margaret W. Carruthers, Space Telescope Science Institute, Baltimore, Maryland
      Media Contacts
      Laura Betz – laura.e.betz@nasa.gov
      NASA’s Goddard Space Flight Center, Greenbelt, Md.
      Christine Pulliam – cpulliam@stsci.edu
      Space Telescope Science Institute, Baltimore, Md.
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      Last Updated Jul 02, 2025 Editor Marty McCoy Contact Laura Betz laura.e.betz@nasa.gov Related Terms
      James Webb Space Telescope (JWST) Astrophysics Black Holes Brown Dwarfs Exoplanet Science Exoplanets Galaxies Galaxies, Stars, & Black Holes Goddard Space Flight Center Nebulae Science & Research Star-forming Nebulae Stars Studying Exoplanets The Universe View the full article
    • By NASA
      Dwayne Lavigne works as a controls engineer at NASA’s Stennis Space Center, where he supports NASA’s Artemis mission by programming specialized computers for engine testing.NASA/Danny Nowlin As a controls engineer at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, Dwayne Lavigne does not just fix problems – he helps put pieces together at America’s largest rocket propulsion test site.
      “There are a lot of interesting problems to solve, and they are never the same,” Lavigne said. “Sometimes, it is like solving a very cool puzzle and can be pretty satisfying.”
      Lavigne programs specialized computers called programmable logic controllers. They are extremely fast and reliable for automating precisely timed operations during rocket engine tests as NASA Stennis supports the agency’s Artemis missions to explore the Moon and build the foundation for the first crewed mission to Mars.
      However, the system will not act unless certain parameters are met in the proper sequence. It can be a complex relationship. Sometimes, 20 or 30 things must be in the correct configuration to perform an operation, such as making a valve open or close, or turning a motor on or off.
      The Picayune, Mississippi, native is responsible for establishing new signal paths between test hardware and the specialized computers.
      He also develops the human machine interface for the controls. The interface is a screen graphic that test engineers use to interact with hardware.
      Lavigne has worked with NASA for more than a decade. One of his proudest work moments came when he contributed to development of an automated test sequencing routine used during all RS-25 engine tests on the Fred Haise Test Stand.
      “We’ve had many successful tests over the years, and each one is a point of pride,” he said.
      When Lavigne works on the test stand, he works with the test hardware and interacts with technicians and engineers who perform different tasks than he does. It provides an appreciation for the group effort it takes to support NASA’s mission.
      “The group of people I work with are driven to get the job done and get it done right,” he said.
      In total, Lavigne has been part of the NASA Stennis federal city for 26 years. He initially worked as a contractor with the Naval Oceanographic Office as a data entry operator and with the Naval Research Laboratory as a software developer.
      September marks 55 years since NASA Stennis became a federal city. NASA, and more than 50 companies, organizations, and agencies located onsite share in operating costs, which allows tenants to direct more of their funding to individual missions. 
      “Stennis has a talented workforce accomplishing many different tasks,” said Lavigne. “The three agencies I’ve worked with at NASA Stennis are all very focused on doing the job correctly and professionally. In all three agencies, people realize that lives could be at risk if mistakes are made or shortcuts are taken.”
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