www.ditl.org

I wish this article had more (or any) detail, but I found it interesting that a 2nd tier power like South Korea can afford to field a system like this.

http://www.spacewar.com/reports/SKorea_ ... t_999.html

On a related topic, there's this: http://www.youtube.com/swf/l.swf?video_ ... 1&border=0
Some parts of the video are repetitive, and the whole thing plays like a funding bid/propaganda film, but it's pretty cool anyways.