SwRI Develops Space Force-Funded Refueling Satellite for Enhanced Space Operations
Southwest Research Institute (SwRI) is constructing the Astroscale Prototype Servicer for Refueling (APS-R) under a $25 million U.S. Space Force project. The satellite aims to improve U.S. spacecraft maneuverability and extend mission lifespans by enabling in-orbit fuel transfers.

The U.S. Space Force has funded a $25 million initiative for the development of the Astroscale Prototype Servicer for Refueling (APS-R) by Southwest Research Institute (SwRI). The APS-R, designed for docking and refueling spacecraft in geostationary orbit, will be tested extensively in SwRI's facilities before launch.
It will operate 22,236 miles above Earth, accessing a fuel depot for hydrazine propellant. Rigorous thermal vacuum and acoustic tests are planned to ensure operational reliability. The project enhances satellite mobility, critical for dynamic space operations, and aims to prolong spacecraft missions. SwRI specializes in complex aerospace projects, focusing on unique missions rather than mass production.




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