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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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By USH
In 1992, Dr. Gregory Rogers a NASA flight surgeon and former Chief of Aerospace Medicine witnessed an event that would stay with him for more than three decades. Now, after years of silence, he’s finally revealing the details of a 15-minute encounter that shattered everything he thought he knew about aerospace technology.
With a distinguished career that includes support for 31 space shuttle launches, training as an F-16 pilot, and deep involvement in classified aerospace programs, Dr. Rogers brings unmatched credibility to the conversation. His firsthand account of observing what appeared to be a reverse-engineered craft, emblazoned with "U.S. Air Force" markings, raises profound questions about the true timeline of UAP development and disclosure.
The full interview spans nearly two hours. To help navigate the discussion, here’s a timeline so you can jump to the segments that interest you most.
00:00 Introduction and Dr. Rogers' Unprecedented Credentials 07:25 The 1992 Cape Canaveral Encounter Begins 18:45 Inside the Hangar: First Glimpse of the Craft 26:30 "We Got It From Them" - The Shocking Revelation 35:15 Technical Analysis: Impossible Flight Characteristics 43:40 Electromagnetic Discharges and Advanced Propulsion 52:20 The Cover Story and 33 Years of Silence 1:01:10 Why He's Speaking Out Now: Grush and Fravor's Influence 1:08:45 Bob Lazar Connections and Reverse Engineering Timeline 1:17:20 Flight Surgeon Stories: The Human Side of Classified Work 1:25:50 G-Force Brain Injuries: An Unreported Military Crisis 1:34:30 Columbia Disaster: When Safety Warnings Are Ignored 1:43:15 The Bureaucratic Resistance to Truth 1:50:40 Congressional Testimony and The Path Forward 1:58:25 Final Thoughts: Legacy vs. Truth
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By NASA
Explore Hubble Hubble Home Overview About Hubble The History of Hubble Hubble Timeline Why Have a Telescope in Space? Hubble by the Numbers At the Museum FAQs Impact & Benefits Hubble’s Impact & Benefits Science Impacts Cultural Impact Technology Benefits Impact on Human Spaceflight Astro Community Impacts Science Hubble Science Science Themes Science Highlights Science Behind Discoveries Hubble’s Partners in Science Universe Uncovered Explore the Night Sky Observatory Hubble Observatory Hubble Design Mission Operations Missions to Hubble Hubble vs Webb Team Hubble Team Career Aspirations Hubble Astronauts Multimedia Images Videos Sonifications Podcasts e-Books Online Activities 3D Hubble Models Lithographs Fact Sheets Posters Hubble on the NASA App Glossary News Hubble News Social Media Media Resources More 35th Anniversary Online Activities 2 min read
Hubble Studies Small but Mighty Galaxy
This NASA/ESA Hubble Space Telescope features the nearby galaxy NGC 4449. ESA/Hubble & NASA, E. Sabbi, D. Calzetti, A. Aloisi This portrait from the NASA/ESA Hubble Space Telescope puts the nearby galaxy NGC 4449 in the spotlight. The galaxy is situated just 12.5 million light-years away in the constellation Canes Venatici (the Hunting Dogs). It is a member of the M94 galaxy group, which is near the Local Group of galaxies that the Milky Way is part of.
NGC 4449 is a dwarf galaxy, which means that it is far smaller and contains fewer stars than the Milky Way. But don’t let its small size fool you — NGC 4449 packs a punch when it comes to making stars! This galaxy is currently forming new stars at a much faster rate than expected for its size, which makes it a starburst galaxy. Most starburst galaxies churn out stars mainly in their centers, but NGC 4449 is alight with brilliant young stars throughout. Researchers believe that this global burst of star formation came about because of NGC 4449’s interactions with its galactic neighbors. Because NGC 4449 is so close, it provides an excellent opportunity for Hubble to study how interactions between galaxies can influence the formation of new stars.
Hubble released an image of NGC 4449 in 2007. This new version incorporates several additional wavelengths of light that Hubble collected for multiple observing programs. These programs encompass an incredible range of science, from a deep dive into NGC 4449’s star-formation history to the mapping of the brightest, hottest, and most massive stars in more than two dozen nearby galaxies.
The NASA/ESA/CSA James Webb Space Telescope has also observed NGC 4449, revealing in intricate detail the galaxy’s tendrils of dusty gas, glowing from the intense starlight radiated by the flourishing young stars.
Text Credit: ESA/Hubble
Facebook logo @NASAHubble @NASAHubble Instagram logo @NASAHubble Media Contact:
Claire Andreoli (claire.andreoli@nasa.gov)
NASA’s Goddard Space Flight Center, Greenbelt, MD
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Last Updated Jun 20, 2025 Editor Andrea Gianopoulos Location NASA Goddard Space Flight Center Related Terms
Hubble Space Telescope Astrophysics Astrophysics Division Galaxies Goddard Space Flight Center Irregular Galaxies The Universe Keep Exploring Discover More Topics From Hubble
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By NASA
4 Min Read NASA to Gather In-Flight Imagery of Commercial Test Capsule Re-Entry
During the September 2023 daytime reentry of the OSIRIS-REx sample return capsule, the SCIFLI team captured visual data similar to what they're aiming to capture during Mission Possible. Credits: NASA/SCIFLI A NASA team specializing in collecting imagery-based engineering datasets from spacecraft during launch and reentry is supporting a European aerospace company’s upcoming mission to return a subscale demonstration capsule from space.
NASA’s Scientifically Calibrated In-Flight Imagery (SCIFLI) team supports a broad range of mission needs across the agency, including Artemis, science missions like OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, and Security – Regolith Explorer), and NASA’s Commercial Crew Program. The SCIFLI team also supports other commercial space efforts, helping to develop and strengthen public-private partnerships as NASA works to advance exploration, further cooperation, and open space to more science, people, and opportunities.
Later this month, SCIFLI intends to gather data on The Exploration Company’s Mission Possible capsule as it returns to Earth following the launch on a SpaceX Falcon 9 rocket. One of the key instruments SCIFLI will employ is a spectrometer detects light radiating from the capsule’s surface, which researchers can use to determine the surface temperature of the spacecraft. Traditionally, much of this data comes from advanced Computational Fluid Dynamics modeling of what happens when objects of various sizes, shapes, and materials enter different atmospheres, such as those on Earth, Mars, or Venus.
“While very powerful, there is still some uncertainty in these Computational Fluid Dynamics models. Real-world measurements made by the SCIFLI team help NASA researchers refine their models, meaning better performance for sustained flight, higher safety margins for crew returning from the Moon or Mars, or landing more mass safely while exploring other planets,” said Carey Scott, SCIFLI capability lead at NASA’s Langley Research Center in Hampton, Virginia.
A rendering of a space capsule from The Exploration Company re-entering Earth’s atmosphere.
Image courtesy of The Exploration CompanyThe Exploration Company The SCIFLI team will be staged in Hawaii and will fly aboard an agency Gulfstream III aircraft during the re-entry of Mission Possible over the Pacific Ocean.
“The data will provide The Exploration Company with a little bit of redundancy and a different perspective — a decoupled data package, if you will — from their onboard sensors,” said Scott.
From the Gulfstream, SCIFLI will have the spectrometer and an ultra-high-definition telescope trained on Mission Possible. The observation may be challenging since the team will be tracking the capsule against the bright daytime sky. Researchers expect to be able to acquire the capsule shortly after entry interface, the point at roughly 200,000 feet, where the atmosphere becomes thick enough to begin interacting with a capsule, producing compressive effects such as heating, a shock layer, and the emission of photons, or light.
Real-world measurements made by the SCIFLI team help NASA researchers refine their models, meaning better performance for sustained flight, higher safety margins for crew returning from the Moon or Mars, or landing more mass safely while exploring other planets.
Carey Scott
SCIFLI Capability Lead
In addition to spectrometer data on Mission Possible’s thermal protection system, SCIFLI will capture imagery of the parachute system opening. First, a small drogue chute deploys to slow the capsule from supersonic to subsonic, followed by the deployment of a main parachute. Lastly, cloud-cover permitting, the team plans to image splashdown in the Pacific, which will help a recovery vessel reach the capsule as quickly as possible.
If flying over the ocean and capturing imagery of a small capsule as it zips through the atmosphere during the day sounds difficult, it is. But this mission, like all SCIFLI’s assignments, has been carefully modeled, choreographed, and rehearsed in the months and weeks leading up to the mission. There will even be a full-dress rehearsal in the days just before launch.
Not that there aren’t always a few anxious moments right as the entry interface is imminent and the team is looking out for its target. According to Scott, once the target is acquired, the SCIFLI team has its procedures nailed down to a — pardon the pun — science.
“We rehearse, and we rehearse, and we rehearse until it’s almost memorized,” he said.
Ari Haven, left, asset coodinator for SCIFLI’s support of Mission Possible, and Carey Scott, principal engineer for the mission, in front of the G-III aircraft the team will fly on.
Credit: NASA/Carey ScottNASA/Carey Scott The Exploration Company, headquartered in Munich, Germany, and Bordeaux,
France, enlisted NASA’s support through a reimbursable Space Act Agreement and will use SCIFLI data to advance future capsule designs.
“Working with NASA on this mission has been a real highlight for our team. It shows what’s possible when people from different parts of the world come together with a shared goal,” said Najwa Naimy, chief program officer at The Exploration Company. “What the SCIFLI team is doing to spot and track our capsule in broad daylight, over the open ocean, is incredibly impressive. We’re learning from each other, building trust, and making real progress together.”
NASA Langley is known for its expertise in engineering, characterizing, and developing spacecraft systems for entry, descent, and landing. The Gulfstream III aircraft is operated by the Flight Operations Directorate at NASA’s Armstrong Flight Research Center in Edwards, California.
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Last Updated Jun 18, 2025 EditorJoe AtkinsonContactJoe Atkinsonjoseph.s.atkinson@nasa.govLocationNASA Langley Research Center Related Terms
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA / DIP Start
July 27, 2022 at 10:00 AM EDTEnd
June 27, 2022 at 12:00 PM EST What It’s About?
DIP is hosting an online session to provide detailed information on the CDDR service, scope of the collaborative opportunity, partner responsibilities and ACO response submission instructions. The intent is to share information for interested parties to make an informed decision to collaborate and successfully respond to the ACO. (For the details of the collaboration, please read the full Announcement on sam.gov website (ID: 80ARC022JAI-DIP)).
The ACO is the first step to collaborate with NASA on this project. Flight Operators selected from the ACO process will contribute and benefit from the Sustainable Aviation (SA) demonstration to test and validate a cloud-based departure reroute service called Collaborative Digital Departure Reroute (CDDR) during FY22-24. CDDR has been shown to reduce fuel burn and emissions through reduced surface departure delays, which benefits re-routed flights as well as all other related departures in the operational area.
Agenda
Sustainable Aviation (SA) demonstrations overview DIP platform and digital services overview Expectations of partners ACO walkthrough and how to submit What to expect after an ACO is submitted Q/A Who Should Register?
This information session is primarily designed to assist flight operators with the ACO process. While other aviation industry participants are not discouraged from attending this session, the focus will be on the flight operator portion of our audience. An additional ACO for service providers will be announced on a future date.
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Presentation slides Session Recording Request materials via email (arc-dip-ext@mail.nasa.gov) Digital Information Platform
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Last Updated Jun 18, 2025 EditorLillian GipsonContactJim Bankejim.banke@nasa.gov Related Terms
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