>>Each Orion mission would require a couple dozen explosions to reach LEO Huh? Values I've seen talks about a nuclear explosion around per second. You'd need a

>>Each Orion mission would require a couple dozen explosions to reach LEO Huh? Values I've seen talks about a nuclear explosion around per second. You'd need a few minutes to reach LEO. >>nuclear fuel to be diverted from military uses http://en.wikipedia.org/wiki/Enriched_uranium http://en.wikipedia.org/wiki/Enriched_uranium "The decommissioning programme of Russian nuclear warheads accounted for about 13% of total world requirement for enriched uranium leading up to 2008." Etc. (And of course it isn't a simple decision. Few interesting ones ever are.) This is the second discussion in a short time where you obviously don't know anything at all but still write. Personally, if I don't know anything about a subject, I just read and/or ask. Since I know my opinions will change when I know more, anyway.