Would you please not lump us all together for an act of few fanatics?
I could say that apparently Russians are Nazi supporters pointing a Neo Nazi activity in Russia, or Japanese being Hilter's fans especially since their former prime minister said how they should follow suit of Nazi's case in changing constitution.
Besides, turtle ship is not even designed for high sea voyage. It is only capable of navigating coasts. I highly doubt that even Korean nationalist fanatics would insist something as crazy, which makes me wonder if you came up with the idea to make Koreans look bad.
http://www.youtube.com/watch?v=KiLA6Bk_ivs
But Koreans invented pizza. I'm dead serious.