DARPA OTTER Program: Unlocking the Future of Space Operations with “Air-Breathing” Electric Propulsion Technologies

The United States Department of Defense is pioneering a transformative new approach to satellite propulsion with the DARPA OTTER program, which seeks to unlock the future of space operations through innovative “air-breathing” electric propulsion systems. These technologies are specifically designed to support operations in Very Low Earth Orbit (VLEO) – altitudes as low as 90…

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