The Imjin War, Part 4: Stalemate and Withdrawal

Season 10, Episode 14: The Imjin War, Part 4: Stalemate and Withdrawal
A portrait of the ill-fated Won Gyun, whose indecisive hesitations after a naval defeat led to the near-total destruction of Korean naval power. source: Public Domain
A statue of Yi Sun-sin, with a relief of the small but mighty navy he commanded at the battle of Myeongnyeong. The vessel in the very front in full 3D is a turtle ship. Source: ko:User:Hnc197, CC BY-SA 2.5, via Wikimedia Commons
A 100-Won coin from modern-day South Korea, featuring an image of Admiral Yi Sun-sin and a turtle ship. Source: Public Domain
A painting of the Siege of Ulsan, a Japanese-style castle town which the Ming-Joseon allied forces twice failed to take. Source: Public Domain