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By NASA
2 Min Read NASA Seeks Commercial Feedback on Space Communication Solutions
An illustration of a commercial space relay ecosystem. Credits: NASA / Morgan Johnson NASA is seeking information from U.S. and international companies about Earth proximity relay communication and navigation capabilities as the agency aims to use private industry satellite communications services for emerging agency science missions.
“As part of NASA’s Communications Services Project, the agency is working with private industry to solve challenges for future exploration,” said Kevin Coggins, deputy associate administrator of NASA’s SCaN Program. “Through this effort, NASA missions will have a greater ability to command spacecraft, resolve issues in flight, and bring home more data and scientific discoveries collected across the solar system.”
In November 2024, NASA announced the TDRS (Tracking and Data Relay Satellite) system, the agency’s network of satellites relaying communications from the International Space Station, ground controls on Earth, and spacecraft, will support only existing missions.
NASA, as one of many customers, will obtain commercial satellite services rather than owning and operating a replacement for the existing satellite system. As NASA transitions to commercial relay services, the agency will leverage commercial capabilities to ensure support for future missions and stimulate private investment into the Earth proximity region. Commercial service offerings could become available to NASA missions as early as 2028 and will continue to be demonstrated and validated through 2031.
NASA’s SCaN issued a Request for Information on May 30. Responses are due by 5 p.m. EDT on Friday, July 11.
NASA’s SCaN Program serves as the management office for the agency’s space communications and navigation. More than 100 NASA and non-NASA missions rely on SCaN’s two networks, the Near Space Network and the Deep Space Network, to support astronauts aboard the International Space Station and future Artemis missions, monitor Earth’s weather, support lunar exploration, and uncover the solar system and beyond.
Learn more about NASA’s SCaN Program at:
https://www.nasa.gov/scan
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Last Updated Jun 16, 2025 EditorJimi RussellContactMolly KearnsLocationGlenn Research Center Related Terms
Commercial Space General Glenn Research Center The Future of Commercial Space Tracking and Data Relay Satellite (TDRS) Keep Exploring Discover More Topics From NASA
Communicating with Missions
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By European Space Agency
Video: 00:01:40 Proba-3 artificially created what is normally a rare natural phenomenon: a total solar eclipse.
In a world first, ESA’s Proba-3 satellites flew in perfect formation, blocking the Sun’s bright disc to reveal its fiery corona. This enigmatic outer layer burns millions of degrees hotter than the Sun’s surface and drives the solar storms that can disrupt life on Earth.
With its first artificial eclipse, Proba-3 has captured detailed images of this mysterious region, offering scientists new insights into our star’s behaviour.
Read the full story here.
Access the related broadcast qality footage.
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
NASA Systems Engineer Daniel Eng serves his second year as a judge for the Aerospace Valley Robotics Competition at the Palmdale Aerospace Academy in Palmdale, California, in 2019. NASA/Lauren Hughes As a child in the 1960s, Daniel Eng spent his weekends in New York City’s garment district in Manhattan’s Lower East Side, clipping loose threads off finished clothing. He worked alongside his mother, a seamstress, and his father, a steam press operator, where he developed an eye for detail and a passion for learning. Now, he applies these capabilities at NASA, where he works as an engineer for the Air Mobility Pathfinders project.
“I often wonder whether the NASA worm magnet that someone left on my refrigerator in college, which I kept all these years, may have something to do with me ending up at NASA,” Eng said.
His route to NASA was not straightforward. Eng dropped out of high school to join the U.S. Army during the Vietnam War. He earned a GED certificate while on active duty and after his service earned a bachelor’s degree in electrical engineering from the University of Pennsylvania.
After college, Eng worked as a researcher investigating laser communications for the U.S. Navy, work which launched his career in aerospace. He then held jobs at several global corporations before landing at NASA.
NASA systems engineer, Daniel Eng, right, talks with student participants at the 2019 Aerospace Valley Robotics Competition at the Palmdale Aerospace Academy in Palmdale, California.NASA/Lauren Hughes “Looking back now, the Navy was ‘my launching point’ into the aerospace industry,” Eng said. “In more than four decades, I held various positions rising through the ranks ranging from circuit card design to systems analyst to production support to project and program management for advanced technology systems on a multitude of military and commercial aircraft projects.”
Today, he uses virtual models to plan and develop flight test requirements for piloted and automated aircraft, which will help guide future air taxi operations in cities.
“Engineers can virtually test computer models of designs, concepts, and operations before they are in place or even built, providing a safe and cost-effective way to verify the processes work the way they should,” Eng said.
He tells his grandkids to stay curious and ask a lot of questions so they can learn as much as possible.
“Be courteous, humble, kind, and respectful of people, and always remind yourself that you are just one human being among many ‘Earthlings,’” Eng said. “Teamwork is a very important aspect of success because rarely, if ever, does one person succeed on their own without help from others.”
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Last Updated Jun 09, 2025 EditorDede DiniusContactLaura Mitchelllaura.a.mitchell@nasa.govLocationArmstrong Flight Research Center Related Terms
Armstrong Flight Research Center People of Armstrong People of NASA Explore More
4 min read Paul Morris: Filming the Final Frontier
Article 9 hours ago 6 min read NASA Tests New Ways to Stick the Landing in Challenging Terrain
Article 2 weeks ago 2 min read NASA Videographer Wins Top Award for Capturing Human Side of Science
Article 2 weeks ago Keep Exploring Discover More Topics From NASA
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By NASA
4 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Auburn University’s project, “Dynamic Ecosystems for Mars ECLSS Testing, Evaluation, and Reliability (DEMETER),” won top prize in NASA’s 2025 Revolutionary Aerospace Systems – Academic Linkage (RASC-AL) Competition Forum. National Institute of Aerospace A team from Auburn University took top honors in NASA’s 2025 Revolutionary Aerospace Systems – Academic Linkage (RASC-AL) Competition Forum, where undergraduate and graduate teams competed to develop new concepts for operating on the Moon, Mars and beyond.
Auburn’s project, “Dynamic Ecosystems for Mars Environmental Control and Life Support Systems (ECLSS) Testing, Evaluation, and Reliability (DEMETER)” advised by Dr. Davide Guzzetti, took home top prize out of 14 Finalist Teams from academic institutions across the nation. Virginia Polytechnic Institute and State University took second place overall for their concept, “Adaptive Device for Assistance and Maintenance (ADAM),” advised by Dr. Kevin Shinpaugh. The University of Maryland took third place overall with their project, “Servicing Crane Outfitted Rover for Payloads, Inspection, Operations, N’stuff (SCORPION),” advised by Dr. David Akin, Nich Bolatto, and Charlie Hanner.
The first and second place overall winning teams will present their work at the 2025 AIAA Accelerating Space Commerce, Exploration, and New Discovery (ASCEND) Conference in Las Vegas, Nevada in July.
Virginia Polytechnic Institute and State University took second place overall in NASA’s 2025 Revolutionary Aerospace Systems – Academic Linkage (RASC-AL) Competition Forum for their concept, “Adaptive Device for Assistance and Maintenance (ADAM).”National Institute of Aerospace The RASC-AL Competition, which took place from June 2-4, 2025, in Cocoa Beach, Florida, is a unique initiative designed to bridge the gap between academia and the aerospace industry, empowering undergraduate and graduate students to apply their classroom knowledge to real-world challenges in space exploration. This year’s themes included “Sustained Lunar Evolution – An Inspirational Moment,” “Advanced Science Missions and Technology Demonstrators for Human-Mars Precursor Campaign,” and “Small Lunar Servicing and Maintenance Robot.”
“The RASC-AL Competition cultivates students who bring bold, imaginative thinking to the kinds of complex challenges we tackle at NASA,” said Dan Mazanek, RASC-AL program sponsor and senior space systems engineer at NASA’s Langley Research Center in Hampton, Virginia. “These teams push the boundaries of what’s possible in space system design and offer new insights. These insights help build critical engineering capabilities, preparing the next generation of aerospace leaders to step confidently into the future of space exploration.”
As NASA continues to push the boundaries of space exploration, the RASC-AL Competition stands as an opportunity for aspiring aerospace professionals to design real-world solutions to complex problems facing the Agency. By engaging with the next generation of innovators, NASA can collaborate with the academic community to crowd-source new solutions for the challenges of tomorrow.
Additional 2025 Forum Awards include:
Best in Theme: Sustained Lunar Evolution: An Inspirational Moment
Virginia Polytechnic Institute and State University Project Title: Project Aeneas Advisor: Dr. Kevin Shinpaugh Best in Theme: Advanced Science Missions and Technology Demonstrators for Human-Mars Precursor Campaign
Auburn University Project Title: Dynamic Ecosystems for Mars ECLSS Testing, Evaluation, and Reliability (DEMETER) Advisor: Dr. Davide Guzzetti Best in Theme: Small Lunar Servicing and Maintenance Robot
Virginia Polytechnic Institute and State University Project Title: Adaptive Device for Assistance and Maintenance (ADAM) Advisor: Dr. Kevin Shinpaugh Best Prototype: South Dakota State University
Project Title: Next-gen Operations and Versatile Assistant (NOVA) Advisor: Dr. Todd Letcher, Allea Klauenberg, Liam Murray, Alex Schaar, Nick Sieler, Dylan Stephens, Carter Waggoner
RASC-AL is open to undergraduate and graduate students studying disciplines related to human exploration, including aerospace, bio-medical, electrical, and mechanical engineering, and life, physical, and computer sciences. RASC-AL projects allow students to incorporate their coursework into space exploration objectives in a team environment and help bridge strategic knowledge gaps associated with NASA’s vision. Students have the opportunity to interact with NASA officials and industry experts and develop relationships that could lead to participation in other NASA student research programs.
RASC-AL is sponsored by the Strategies and Architectures Office within the Exploration Systems Development Mission Directorate at NASA Headquarters, and by the Space Mission Analysis Branch within the Systems Analysis and Concepts Directorate at NASA Langley. It is administered by the National Institute of Aerospace.
For more information about the RASC-AL competition, including complete theme and submission guidelines, visit: http://rascal.nianet.org.
National Institute of Aerospace
About the Author
Joe Atkinson
Public Affairs Officer, NASA Langley Research Center
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Last Updated Jun 05, 2025 Related Terms
Exploration Systems Development Mission Directorate General Langley Research Center Explore More
3 min read NASA Earth Scientist Elected to National Academy of Sciences
Article 48 mins ago 3 min read I Am Artemis: Lili Villarreal
Lili Villarreal fell in love with space exploration from an early age when her and…
Article 1 day ago 19 min read Interview with Dave Des Marais
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By NASA
Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 8 min read
ICESat-2 Applications Team Hosts Satellite Bathymetry Workshop
Introduction
On September 15, 2018, the NASA Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) mission launched from Vandenberg Air Force Base and began its journey to provide spatially dense and fine precision global measurements of our Earth’s surface elevation. Now in Phase E of NASA’s project life cycle (where the mission is carried out, data is collected and analyzed, and the spacecraft is maintained) of the mission and with almost six years of data collection, the focus shifts to looking ahead to new applications and synergies that may be developed using data from ICESat-2’s one instrument: the Advanced Topographic Laster Altimetry System (ATLAS) – see Figure 1.
Figure 1. The ATLAS instrument onboard the ICESat-2 platform obtains data using a green, photon-counting lidar that is split into six beams. Figure credit: ICESat-2 Mission Team Satellite-derived bathymetry (SDB) is the process of mapping the seafloor using satellite imagery. The system uses light penetration and reflection in the water to make measurements and estimate variations in ocean floor depths. SDB provides several advantages over other techniques used to map the seafloor (e.g., cost-effectiveness, global coverage, and faster data acquisition). On the other hand, SDB can be limited by water clarity, spatial resolution of the remote sensing measurement, and accuracy, depending on the method and satellite platform/instrument. These limitations notwithstanding, SDB can be used in a wide variety of applications, e.g., coastal zone management, navigation and safety, marine habitat monitoring, and disaster response. ICESat-2 has become a major contributor to SDB, with over 2000 journal article references to this topic to date. Now is the time to think about the state-of-the-art and additional capabilities of SDB for the future.
To help stimulate such thinking, the NASA ICESat-2 applications team hosted a one-day workshop on March 17, 2025. The workshop focused on the principles and methods for SDB. Held in conjunction with the annual US-Hydro meeting on March 17–20, 2025 at the Wilmington Convention Center in Wilmington, NC, the meeting was hosted by the Hydrographic Society of America. During the workshop the applications team brought together SDB end-users, algorithm developers, operators, and decision makers to discuss the current state and future needs of satellite bathymetry for the community. The objective of this workshop was to provide a space to foster collaboration and conceptualization of SDB applications not yet exploited and to allow for networking to foster synergies and collaborations between different sectors.
Meeting Overview
The workshop provided an opportunity for members from government, academia, and private sectors to share their SDB research, applications, and data fusion activities to support decision making and policy support across a wide range of activities. Presenters highlighted SDB principles, methods, and tools for SDB, an introduction of the new ICESat-2 bathymetric data product (ATL24), which is now available through the National Snow and Ice Data Center (NSIDC). During the workshop, the ICESat-2 team delivered a live demonstration of a web service for science data processing. Toward the end of the day, the applications team opened an opportunity for attendees to gather and discuss various topics related to SDB. This portion of the meeting was also available to online participation via Webex Webinars, which broadened the discussion.
Meeting Goal
The workshop offered a set of plenary presentations and discussions. During the plenary talks, participants provided an overview of Earth observation and SDB principles, existing methods and tools, an introduction to the newest ICESat-2 bathymetry product ATL24, a demonstration of the use of the webservice SlideRule Earth, and opportunities for open discission, asking questions and developing collaborations.
Meeting and Summary Format
The agenda of the SDB workshop was intended to bring together SDB end-users, including ICESat-2 application developers, satellite operators, and decision makers from both government and non-governmental entities to discuss the current state and future needs of the community. The workshop consisted of six sessions that covered various topics of SDB. This report is organized according to the topical focus of the plenary presentations with a brief narrative summary of each presentation included. The discussions that followed were not recorded and are not included in the report. The last section of this report consists of conclusions and future steps. The online meeting agenda includes links to slide decks for many of the presentations.
Welcoming Remarks
Aimee Neeley [NASA’s Goddard Space Flight Center (GSFC)/Science Systems and Applications Inc. (SSAI)—ICESat-2 Mission Applications Lead] organized the workshop and served as the host for the event. She opened the day with a brief overview of workshop goals, logistics, and the agenda.
Overview of Principles of SDB
Ross Smith [TCarta—Senior Geospatial Scientist] provided an overview of the principles of space-based bathymetry, including the concepts, capabilities, limitations, and methods. Smith began by relaying the history of satellite-derived bathymetry, which began with a collaboration between NASA and Jacques Cousteau in 1975, in which Cousteau used Landsat 1 data, as well as in situ data, to calculate bathymetry to a depth of 22 m (72 ft) in the Bahamas. Smith then described the five broad methodologies and their basic concepts for deriving bathymetry from remote sensing: radar altimetry, bottom reflectance, wave kinematics, laser altimetry, and space-based photogrammetry – see Figure 2. He then introduced the broad methodologies, most commonly used satellite sensors, the capabilities and limitations of each sensor, and the role of ICESat-2 in satellite bathymetry.
Figure 2. Satellite platforms commonly used for SDB. Figure credit: Ross Smith Review of SDB Methods and Tools
In this grouping of plenary presentations, representatives from different organizations presented their methods and tools for creating satellite bathymetry products.
Gretchen Imahori [National Oceanic and Atmospheric Administration’s (NOAA) National Geodetic Survey, Remote Sensing Division] presented the NOAA SatBathy (beta v2.2.3) Tool Update. During this presentation, Imahori provided an overview of the NOAA SatBathy desktop tool, example imagery, updates to the latest version, and the implementation plan for ATL24. The next session included more details about ATL24.
Minsu Kim [United States Geological Survey (USGS), Earth Resource and Observation Center (EROS)/ Kellogg, Brown & Root (KBR)—Chief Scientist] presented the talk Satellite Derived Bathymetry (SDB) Using OLI/MSI Based-On Physics-Based Algorithm. He provided an overview of an SDB method based on atmospheric and oceanic optical properties. Kim also shared examples of imagery from the SDB product – see Figure 3.
Figure 3. Three-dimensional renderings of the ocean south of Key West, FL created by adding SDB Digital Elevation Model (physics-based) to a Landsat Operational Land Imager (OLI) scene [top] and a Sentinel-2 Multispectral Imager (MSI) scene [bottom]. Figure credit: Minsu Kim Edward Albada [Earth Observation and Environmental Services GmbH (EOMAP)—Principal] presented the talk Satellite Lidar Bathymetry and EoappTM SLB-Online. The company EOMAP provides various services, including SDB, habitat mapping. For context, Albada provided an overview of EoappTM SDB-Online, a cloud-based software for creating SDB. (EoappTM SDB-online is one of several Eoapp apps and is based on the ICESat-2 photon data product (ATL03). Albada also provided example use cases from Eoapp – see Figure 4.
Figure 4.A display of the Marquesas Keys (part of the Florida Keys) using satellite lidar bathymetry data from the Eoapp SLB-Online tool from EOMAP. Figure credit: Edward Albada Monica Palaseanu-Lovejoy [USGS GMEG—Research Geographer] presented on a Satellite Triangulated Sea Depth (SaTSeaD): Bathymetry Module for NASA Ames Stereo Pipeline (ASP). She provided an overview of the shallow water bathymetry SaTSeaD module, a photogrammetric method for mapping bathymetry. Palaseanu-Lovejoy presented error statistics and validation procedures. She also shared case study results from Key West, FL; Cocos Lagoon, Guam; and Cabo Rojo, Puerto Rico – see Figure 5.
Figure 5. Photogrammetric bathymetry map of Cabo Roja, Puerto Rico displayed using the SatSeaD Satellite Triangulated Sea Depth (SaTSeaD): Bathymetry Module for NASA Ames Stereo Pipeline (ASP) module. Figure credit: Monica Palaseanu-Lovejoy Ross Smith presented a presentation on TCarta’s Trident Tools: Approachable SDB|Familiar Environment. During this presentation, Smith provided an overview of the Trident Tools Geoprocessing Toolbox deployed in Esri’s ArcPro. Smith described several use cases for the toolbox in Abu Dhabi, United Arab Emirates; Lucayan Archipelago, Bahamas; and the Red Sea.
Michael Jasinski [GSFC—Research Hydrologist] presented on The ICESat-2 Inland Water Along Track Algorithm (ATL13). He provided an overview of the ICESat-2 data product ATL13 an inland water product that is distributed by NSIDC. Jasinski described the functionality of the ATL13 semi-empirical algorithm and proceeded to provide examples of its applications with lakes and shallow coastal waters – see Figure 6.
Figure 6. A graphic of the network of lakes and rivers in North America that are measured by ICESat-2. Figure credit: Michael Jasinski ATL24 Data Product Update
Christopher Parrish [Oregon State University, School of Civil and Construction Engineering—Professor] presented on ATL24: A New Global ICESat-2 Bathymetric Data Product. Parrish provided an overview of the recently released ATL24 product and described the ATL24 workflow, uncertainty analysis, and applications in shallow coastal waters. Parrish included a case study where ATL24 data were used for bathymetric mapping of Kiriwina Island, Papua New Guinea – see Figure 7.
Figure 7. ATL24 data observed for Kiriwina Island, Papua New Guinea. Figure credit: Christopher Parrish SlideRule Demo
J. P. Swinski [GSFC—Computer Engineer] presented SlideRule Earth: Enabling Rapid, Scalable, Open Science. Swinski explained that SlideRule Earth is a public web service that provides access to on-demand processing and visualization of ICESat-2 data. SlideRule can be used to process a subset of ICESat-2 data products, including ATL24 – see Figure 8.
Figure 8. ATL24 data observed for Sanibel, FL as viewed on the SlideRule Earth public web client. Figure credit: SlideRule Earth SDB Accuracy
Kim Lowell [University of New Hampshire—Data Analytics Research Scientist and Affiliate Professor] presented on SDB Accuracy Assessment and Improvement Talking Points. During this presentation, Lowell provided examples of accuracy assessments and uncertainty through the comparison of ground measurement of coastal bathymetry to those modeled from satellite data.
Conclusion
The ICESat-2 Satellite Bathymetry workshop fostered discussion and collaboration around the topic of SDB methods. The plenary speakers presented the state-of-the-art methods used by different sectors and organizations, including government and private entities. With the release of ATL24, ICESat-2’s new bathymetry product, it was prudent to have a conversation about new and upcoming capabilities for all methods and measurements of satellite bathymetry. Both in-person and online participants were provided with the opportunity to learn, ask questions, and discuss potential applications in their own research. The ICESat-2 applications team hopes to host more events to ensure the growth of this field to maximize the capabilities of ICESat-2 and other Earth Observing systems.
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Last Updated Jun 05, 2025 Related Terms
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