Re:Death of a Project (1965)
by Animats on Friday September 16, 2022 @03:47AM
(#32863322)
Note that this is not fission-powered Orion. This is a cleaner He3 - D reaction which produces no neutrons. It's all charged particles, for which magnetic containment is potentially possible.
Thermonuclear Micro-Bomb Rocket Propulsion
https://archive.org/details/DTIC_AD0746027