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 220.127.116.11. 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)."
Philosophy: A route of many roads leading from nowhere to nothing. -- Ambrose Bierce