I suspect the data available there shares at least some common ancestry with the stuff used in the weapons systems you refer to. Fortunately for us, they recognize it also has value for academia and industry.
Slashdot User Password for tqft
"In case you get multiple emails you didn't request, the requester's IP
was 18.104.22.168. Its user agent was
"Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1."
(not that you should trust that value, but it might be interesting)."
"Why should we subsidize intellectual curiosity?" -Ronald Reagan