Korean turtle ships and Admiral Yi Sun-sin

Lt Colonel Joseph Meissner spoke at a ClevelandPeople.Com Food Adventure to the Korea House.  He told about the Turtle ships, the first iron clad ships in the world.  Admiral Yi Sun-sin designed the ship and they participated in the war against Japanese naval forces supporting Toyotomi Hideyoshi's attempts to conquer Korea from 1592-1598.

http://www.clevelandpeople.com/groups/korean/korean.htm