DRACO is seeking proposals to design+build a nuclear thermal rocket engine, enhancing maneuverability in #cislunar space. Also: potential for more efficient, faster, smaller propulsion systems for long-duration #spaceflight. In-space demo planned in FY26. https://t.co/aM36WIPlGa pic.twitter.com/ZBmqrwod6e

— DARPA (@DARPA) May 4, 2022