NASA joins forces with DARPA on effort to demonstrate nuclear rocket for Mars trips
GeekWire
JANUARY 24, 2023
DARPA says an NTR would have a thrust-to-weight ratio 10,000 times greater than electric propulsion systems, and a specific impulse that’s two to five times more efficient than traditional chemical propulsion systems. DARPA spokesman Randy Atkins said the contract for the next phase of the DRACO program is due to be awarded in March.
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