3 ms·
https://en.wikipedia.org/wiki/NERVA https://en.wikipedia.org/wiki/NERVA had already been in development for several years by 1961. Project Orion had been propo
by Avshalom 1y ago
https://en.wikipedia.org/wiki/NERVA https://en.wikipedia.org/wiki/NERVA had already been in development for several years by 1961.
Project Orion had been proposed as early as '46.