"The international nuclear technology company BWX Technologies, Inc. opened a
Huntsville office Thursday to begin developing products for the aerospace and
military including a nuclear propulsion system that could send rockets to Mars."


""We're talking about something very different here," Geveden said. "We're talking
about an active nuclear reactor to run hydrogen across the core and expand it out
through a nozzle.""

See:

https://www.al.com/business/index.ss...y_will_de.html



So, will this just be a rehash of NERVA?

https://en.wikipedia.org/wiki/NERVA