Why DARPA Cancelled Its DRACO Nuclear Thermal Propulsion Project
The Defense Advanced Research Projects Agency has closed the books on its Demonstration Rocket for Agile Cislunar Operations program. Defense officials confirm the termination order went out late Monday. The move ends a five-year push to field a nuclear-thermal upper stage able to sprint between Earth and the Moon. According to industry sources, the agency pulled remaining funds into other space access lines once it judged the return on investment had vanished.
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