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| https://afwerxchallenge.com/on-orbit |
https://afwerxchallenge.com/on-orbit
https://youtu.be/GMvS2vs2c4s?si=10Ge9k2Lzxb-g9P-
"SpaceWERX is launching the On-Orbit Space Logistics (OOSL) Challenge in partnership with the U.S. Space Force (USSF) Space Access portfolio. Most spacecraft today are built to be expendable. They launch with a fixed amount of propellant, and once it runs out, there's no way to refuel, repair, or resupply them on-orbit. As a result, missions must be planned around a finite fuel supply with little ability to adapt after launch. There is currently no established way to transport fuel, parts, or other critical supplies to spacecraft operating across low Earth orbit (LEO), geosynchronous orbit (GEO) or the region near the moon known as cislunar space.
Advances in autonomous operations, robotic servicing, in-space mobility and commercial space logistics are laying the foundation for a more sustainable space ecosystem. This OOSL Challenge is seeking technologies that extend spacecraft lifespans, increasing mission flexibility and supporting a more sustainable space enterprise. Innovative approaches from both traditional and non-traditional performers are encouraged to advance both national security and commercial space capabilities."
https://www.darpa.mil/research/programs/orbitoutlook
https://www.darpa.mil/about/innovation-timeline/orbital-express
https://www.darpa.mil/research/programs/robotic-servicing-of-geosynchronous-satellites
https://www.darpa.mil/news/2026/robotic-servicing-of-geosynchronous-satellites-lifts-off


















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