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By NASA
Jorge Chong is helping shape the future of human spaceflight, one calculation at a time. As a project manager for TRON (Tracking and Ranging via Optical Navigation) and a guidance, navigation, and control (GNC) test engineer in the Aeroscience and Flight Mechanics Division, he is leading efforts to ensure the Orion spacecraft can navigate deep space autonomously.
Jorge Chong in front of the Mission Control Center at NASA’s Johnson Space Center in Houston when he helped with optical navigation operations during Artemis I.Image courtesy of Jorge Chong “GNC is like the brain of a spacecraft. It involves a suite of sensors that keep track of where the vehicle is in orbit so it can return home safely,” he said. “Getting to test the components of a GNC system makes you very familiar with how it all works together, and then to see it fly and help it operate successfully is immensely rewarding.”
His work is critical to the Artemis campaign, which aims to return humans to the Moon and pave the way for Mars. From developing optical navigation technology that allows Orion to determine its position using images of Earth and the Moon to testing docking cameras and Light Detection and Ranging systems that enable autonomous spacecraft rendezvous, Chong is pushing the limits of exploration. He also runs high-fidelity flight simulations at Lockheed Martin’s Orion Test Hardware facility in Houston, ensuring Orion’s software is ready for the demands of spaceflight.
Chong’s NASA career spans seven years as a full-time engineer, plus three years as a co-op student at NASA’s Johnson Space Center in Houston. In 2024, he began leading Project TRON, an optical navigation initiative funded by a $2 million Early Career Initiative award. The project aims to advance autonomous space navigation—an essential capability for missions beyond Earth’s orbit.
Jorge Chong and his colleagues with the Artemis II docking camera in the Electro-Optics Lab at Johnson. From left to right: Paul McKee, Jorge Chong, and Kevin Kobylka. Bottom right: Steve Lockhart and Ronney Lovelace. Thanks to Chong’s work, the Artemis Generation is one step closer to exploring the Moon, Mars, and beyond. He supported optical navigation operations during Artemis I, is writing software that will fly on Artemis II, and leads optical testing for Orion’s docking cameras. But his path to NASA wasn’t always written in the stars.
“I found math difficult as a kid,” Chong admits. “I didn’t enjoy it at first, but my parents encouraged me patiently, and eventually it started to click and then became a strength and something I enjoyed. Now, it’s a core part of my career.” He emphasizes that perseverance is key, especially for students who may feel discouraged by challenging subjects.
Most of what Chong has learned, he says, came from working collaboratively on the job. “No matter how difficult something may seem, anything can be learned,” he said. “I could not have envisioned being involved in projects like these or working alongside such great teams before coming to Johnson.”
Jorge Chong (left) and his siblings Ashley and Bronsen at a Texas A&M University game. Image courtesy of Jorge Chong His career has also reinforced the importance of teamwork, especially when working with contractors, vendors, universities, and other NASA centers. “Coordinating across these dynamic teams and keeping the deliverables on track can be challenging, but it has helped to be able to lean on teammates for assistance and keep communication flowing,” said Chong.
And soon, those systems will help Artemis astronauts explore places no human has gone before. Whether guiding Orion to the Moon or beyond, Chong’s work is helping NASA write the next chapter of space exploration.
“I thank God for the doors He has opened for me and the incredible mentors and coworkers who have helped me along the way,” he said.
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By Space Force
The DARC partnership is completing construction at the first of three sites that will host a global network of advanced ground-based sensors.
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By NASA
4 Min Read What is an Engineer? (Grades K-4)
This article is for students grades K-4.
Engineers solve problems. They use science and math to create new things or make things work better. There are different kinds of engineers. They work on different kinds of projects. Some engineers design buildings or machines. Others find ways to move heat, power, or water from one place to another. Some create new tools.
NASA needs engineers. They design the things humans need to fly in space or on airplanes. Engineers make great ideas become real.
What do NASA engineers work on?
NASA has many missions. These missions need different kinds of engineers. Here are some of the ways engineers help NASA get the job done.
Spacecraft: These are vehicles that fly in space. NASA engineers decide how a spacecraft should be built and what it should do. They also make sure it will keep astronauts safe. Airplanes: NASA engineers work on airplanes. They design how the plane will look, how fast it will fly, and how much fuel it will use. Telescopes: Telescopes help us see space objects like stars and planets. Some telescopes are placed in orbit for the best view. NASA engineers design them to work in space. Computers: Computers can do complex tasks faster than people. NASA engineers write code that tells computers what to do. Anthony Vareha, NASA flight director Why is it fun to be a NASA engineer?
At NASA, engineers get to work on cool projects. They use science and creativity to find new ways to reach big goals. Here are some of the reasons they like their work.
“Being an engineer is like solving a huge puzzle or building something cool with building blocks. The difference is that the things we make help make the world better and improve people’s lives.” – Othmane Benefan, materials research engineer “I like being an engineer because I get to learn new things almost every day. Most of the engineering projects at NASA are super unique because we are building satellites that study new places all over the solar system (planets, asteroids, even the Sun), and it’s really fun to learn all the ways that we can use robots to explore.” – Phillip Hargrove, launch mission integration engineer “I love to build and create things. At NASA, there’s always something to do, and I get to work with people I enjoy.” – Jenna Sayler, aerospace engineer “I love being an engineer because I love trying to understand how things work. There’s a lot of stuff in our universe. Engineering is the tool I’ve chosen to help make sense of it all.” – Brian Kusnick, mechanical engineer Elaine Stewart, contamination control engineer What are some things I can do to help me become an engineer?
Be curious and excited to learn new things. Learn more about how different types of machines work. Practice making, building, or tinkering with things. Work hard in math and science classes. When you get to middle school or high school, try a NASA student challenge or apply to be a NASA intern. Students over age 16 can apply for NASA internships. Interns work on real projects. NASA team members help guide interns as they learn. Wendy Okolo, Ph.D., aerospace research engineer How can I try engineering today?
NASA has fun engineering activities that you can do at home. Here are a few to try:
Make and color a paper airplane. Let your imagination fly! Build a tower with pasta! How tall can you build it? Make a paper Mars helicopter. See which design works best! Build a new spacecraft using items in your house! A CubeSat is a small satellite. Try to build a CubeSat in this online game. When you do these projects, try them more than once. Make a small change each time. See if it makes your design work better. Engineering is all about testing ideas!
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JPL Education: Student Projects (Grades K-4) NASA Space Place Explore More for Students Grades K-4 View the full article
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By NASA
Electrical engineer Scott Hesh works on a sub-payload canister at NASA’s Wallops Flight Facility near Chincoteague, Virginia. The cannister will be part of a science experiment and a demonstration of his Swarm Communications technology.Credits: NASA’s Wallops Flight Facility/Berit Bland Scott Hesh, an electrical engineer at NASA’s Wallops Flight Facility on Virginia’s Eastern Shore, was announced Nov. 2 as the FY22 IRAD Innovator of the Year, an award presented by the agency’s Goddard Space Flight Center in Greenbelt, Maryland.
“An electrical engineer with an insatiable curiosity, Scott Hesh and his team have worked hand-in-glove with science investigators since 2017,” said Goddard Chief Technologist Peter Hughes. “He developed a technology to sample Earth’s upper atmosphere in multiple dimensions with more accurate time and location data than previously possible with a sounding rocket.”
Related: NASA Sounding Rockets Launch Multiple Science Payloads
Newly proven technology developed at NASA’s Wallops Flight Facility near Chincoteague, Virginia, turns a single sounding rocket into a hive deploying a swarm of up to 16 instruments. The technology offers unprecedented accuracy for monitoring Earth’s atmosphere and solar weather over a wide area.
Engineers Josh Yacobucci (left) and Scott Hesh test fit a science sensor sub-payload into a Black Brant sounding rocket at Wallops.Credits: NASA’s Wallops Flight Facility/Berit Bland The Internal Research and Development (IRAD) Innovator of the Year award is presented by Goddard’s Office of the Chief Technologist to individuals who demonstrate the best in innovation.
“Scott has this enthusiasm for what he does that I think is really contagious,” Sounding Rocket Program technologist Cathy Hesh said. “He’s an electrical engineer by education, but he has such a grasp on other disciplines as well, so he’s sort of like a systems engineer. If he wants to improve something, he just goes out and learns all sorts of things that would be beyond the scope of his discipline.”
Mechanical engineer Josh Yacobucci has worked with Scott Hesh for more than 15 years, and said he always learns something when they collaborate.
“Scott brings this great perspective,” Yacobucci said. “He could help winnow out things in my designs that I hadn’t thought of.”
“For his interdisciplinary leadership resulting in game-changing improvements for atmospheric and solar science capabilities,” Hughes said, “Scott Hesh deserves Goddard’s Innovator of the Year Award.”
By Karl B. Hille
NASA’s Goddard Space Flight Center, Greenbelt, Md.
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By NASA
“I do evolutionary programming,” said NASA Goddard oceanographer Dr. John Moisan. “I see a lot of possibility in using evolutionary programming to solve many large problems we are trying to solve. How did life start and evolve? Can these processes be used to evolve intelligence or sentience?”Courtesy of John Moisan Name: John Moisan
Formal Job Classification: Research oceanographer
Organization: Ocean Ecology Laboratory, Hydrosphere, Biosphere, Geophysics (HBG), Earth Science Directorate (Code 616) – duty station at NASA’s Wallops Flight Facility on Virginia’s Eastern Shore
What do you do and what is most interesting about your role here at Goddard? How do you help support Goddard’s mission?
I develop ecosystem models and satellite algorithms to understand how the ocean’s ecology works. My work has evolved over time from when I coded ocean ecosystem models to the present where I now use artificial intelligence to evolve the ocean ecosystem models.
How did you become an oceanographer?
As a child, I watched a TV series called “Sea Hunt,” which involved looking for treasure in the ocean. It inspired me to want to spend my life scuba diving.
I got a Bachelor of Science in marine biology from the University of New England in Biddeford, Maine, and later got a Ph.D. from the Center for Coastal Physical Oceanography at Old Dominion University in Norfolk, Virginia.
Initially, I just wanted to do marine biology which to me meant doing lots of scuba diving, maybe living on a sailboat. Later, when I was starting my graduate schoolwork, I found a book about mathematical biology and a great professor who helped open my eyes to the world of numerical modeling. I found out that instead of scuba diving, I needed instead to spend my days behind a computer, learning how to craft ideas into equations and then code these into a computer to run simulations on ocean ecosystems.
I put myself through my initial education. I went to school fulltime, but I lived at home and hitchhiked to college on a daily basis. When I started my graduate school, I worked to support myself. I was in school during the normal work week, but from Friday evening through Sunday night, I worked 40 hours at a medical center cleaning and sterilizing the operating room instrument carts. This was during the height of the AIDS epidemic.
What was most exciting about your two field trips to the Antarctic?
In 1987, I joined a six-week research expedition to an Antarctic research station to explore how the ozone hole was impacting phytoplankton. These are single-celled algae that are responsible for making half the oxygen we breathe. Traveling to Antarctica is like visiting another planet. There are more types of blue than I’ve ever seen. It is an amazingly beautiful place to visit, with wild landscapes, glaciers, mountains, sea ice, and a wide range of wildlife. After my first trip I returned home and went back in a few months later as a biologist on a joint Polish–U.S. (National Oceanic and Atmospheric Administration) expedition to carry out a biological survey and measure how much fast the phytoplankton was growing in different areas of the Southern Ocean. We used nets to measure the amounts of fish and shrimp and took water samples to measure salinity, the amount of algae and their growth rates. We ate well, for example the Polish cook made up a large batch of smoked ice fish.
What other field work have you done?
While a graduate student, I helped do some benthic work in the Gulf of Maine. This study was focused on understanding the rates of respiration in the muds on the bottom of the ocean and on understanding how much biomass was in the muds. The project lowered a benthic grab device to the bottom where it would push a box core device into the sediments to return it to the surface. This process is sort of like doing a biopsy of the ocean bottom.
What is your goal as a research oceanographer at Goddard?
Ocean scientists measure the amount and variability of chlorophyll a, a pigment in algae, in the ocean because it is an analogue to the amount of algae or phytoplankton in the ocean. Chlorophyll a is used to capture solar energy to make sugars, which the algae use for growth. Generally, areas of the ocean that have more chlorophyll are also areas where growth or primary production is higher. So, by estimating how much chlorophyll is in the ocean we can study how these processes are changing with an aim in understanding why. NASA uses the color of the ocean using satellites to estimate chlorophyll a because chlorophyll absorbs sunlight and changes the color of the ocean. Algae have other kinds of pigments, each of which absorbs light at different wavelengths. Because different groups of algae have different levels of pigments, they are like fingerprints that can reveal the type of algae in the water. Some of my research aims at trying to use artificial intelligence and mathematical techniques to create new ways to measure these pigments from space to understand how ocean ecosystems change.
In 2024, NASA plans to launch the Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) satellite, which will measure the color of the ocean at many different wavelengths. The data from this satellite can be used with results from my work on genetic programs and inverse modeling to estimate concentrations of different pigments and possibly concentrations of different types of algae in the ocean.
You have been at Goddard over 22 years. What is most memorable to you?
I develop ecosystem models. But ecosystems do not have laws in the same way that physics has laws. Equations need to be created so that the ecosystem models represent what is observed in the real world. Satellites have been a great source for those observations, but without a lot of other types of observations that are collected in the field, the ocean, it is difficult to develop these equations. In my time at NASA, I have only been able to develop models because of the great but often tedious work that ocean scientists around the world have been doing when they go on ocean expeditions to measure various ocean features, be it simple temperature or the more complicated measurements of algal growth rates. My experience with their willingness to collaborate and share data is especially memorable. This experience is also what I enjoyed with numerous scientists at NASA who have always been willing to support new ideas and point me in the right direction. It has made working at NASA a phenomenal experience.
What are the philosophical implications of your work?
The human capacity to think rapidly, to test and change our opinions based on what we learn, is slow compared to that of a computer. Computers can help us adapt more quickly. I can put 1,000 students in a room developing ecosystem model models. But I know that this process of developing ecosystem models is slow when compared what a computer can do using an artificial intelligence approach called genetic programming, it is a much faster way to generate ecosystem model solutions.
Philosophically, there is no real ecosystem model that is the best. Life and ecosystems on Earth change and adapt at rates too fast for any present-day model to resolve, especially considering climate change. The only real ecosystem model is the reality itself. No computer model can perfectly simulate ecosystems. By utilizing the fast adaptability that evolutionary computer modeling techniques provide, simulating and ultimately predicting ecosystems can be improved greatly.
How does your work have implications for scientists in general?
I do evolutionary programming. I see a lot of possibility in using evolutionary programming to solve many large problems we are trying to solve. How did life start and evolve? Can these processes be used to evolve intelligence or sentience?
The artificial intelligence (AI) work answers questions, but you need to identify the questions. This is the greater problem when it comes to working with AI. You cannot answer the question of how to create a sentient life if you do not know how to define it. If I cannot measure life, how can I model it? I do not know how to write that equation. How does life evolve? How did the evolutionary process start? These are big questions I enjoy discussing with friends. It can be as frustrating as contemplating “nothing.”
Who inspires you?
Many of the scientists that I was fortunate to work with at various research institutes, such as Scripps Institution of Oceanography at the University of California, San Diego. These are groups of scientists are open to always willing to share their ideas. These are individuals who enjoy doing science. I will always be indebted to them for their kindness in sharing of ideas and data.
Do you still scuba dive?
Yes, I wish I could dive daily, it is a very calming experience. I’m trying to get my kids to join me.
What else do you do for fun?
My wife and I bike and travel. Our next big bike trip will hopefully be to Shangri-La City in China. I also enjoy sailing and trying to grow tropical plants. But, most of all, I enjoy helping raise my children to be resilient, empathic, and intelligent beings.
What are your words to live by?
Life. So much to see. So little time.
Conversations With Goddard is a collection of question and answer profiles highlighting the breadth and depth of NASA’s Goddard Space Flight Center’s talented and diverse workforce. The Conversations have been published twice a month on average since May 2011. Read past editions on Goddard’s “Our People” webpage. Conversations With Goddard is a collection of Q&A profiles highlighting the breadth and depth of NASA’s Goddard Space Flight Center’s talented and diverse workforce. The Conversations have been published twice a month on average since May 2011. Read past editions on Goddard’s “Our People” webpage.
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Last Updated Feb 10, 2025 EditorJessica EvansContactRob Garnerrob.garner@nasa.gov Related Terms
Goddard Space Flight Center Artificial Intelligence (AI) People of Goddard Wallops Flight Facility Keep Exploring Discover More Topics From NASA
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