[cripplecreek]

It was even successfully tested using conventional explosives here on earth.

I’d still like to hear more from DARPA on their fusion research. I generally write people off when they say fusion but when DARPA says it I listen.

[BenLurkin]

These three proposals are all fission engines where the nuclear fuel serves only to heat a liquid propellant into high energy jets of plasma.

[nuke rocketeer]

http://www.daviddarling.info/encyclopedia/N/NERVA.html