The Turtle Ship was a type of warship used by the Korean navy during the late 16th century, particularly in the Imjin War against Japan. Designed by the naval commander Yi Sun-sin, it featured a distinctive turtle-shaped roof that protected the crew and cannons from enemy fire. The ship was equipped with spikes to deter boarding and had multiple cannons for offensive capabilities. These ships played a crucial role in naval battles, showcasing advanced technology for their time. The Turtle Ship's design emphasized both defense and firepower, contributing significantly to Korea's maritime strength and helping to secure victories against Japanese forces.