Second Engagement in Battle

Sacheonpo Battle (May 29, 1592)

	Joseon Fleet	Japanese fleet
Commander	Yi Sun-sin, Won Gyun	Not known
Force	26 panokseons and 20 small ships	13 ships
Casualty and damage	Unknown	Destroyed 13 ships

Upon returning to the main quarter, Admiral Yi Sun-sin focused on training on fleet strategy or training of the naval forces until May 27. The Admiral discussed for the strategy in the next battle with the united effort with Jeolla Jwasuyoung. The Admiral sent the convoy to the Jwasuyoung to meet on June 3. On May 27, Won Gyun sent the convoy and informed that his fleet was under attack, and Admiral Yi Sun-sin could not merged the fleets with the Jwasuyoung but to Engagement in Battle on May 29 alone.

After meeting the fleet of Won Gyun, Admiral changed after Japanese fleet and learned that the enemies were in Sacheonpo. The Admiral ordered for Jangsajin with the ships lining up in one line for the sea of Sacheonpo was narrow and severe tidal difference and headed into Sacheonpo. He tried to lure the Japanese fleet out of the port, but approximately 200 Japanese force only shoot back with their rifles from the port. At that time, when the tide changed, the Fleet of Yi Sun-sin was able to approach to the port. In this battle, the Admiral had his turtle ship for the first time. The turtle ship went into the enemy formation before the fleet made the attack and scattered the Japanese ships. And, the Japanese forces deserted the vessels and ran away on land. Then, the Admiral sank all the remaining ships. The Admiral was injured by having hit by a shot on his left shoulder in this Battle.

Dangpo Battle (1592. 6. 2)

	Joseon Fleet	Japanese fleet
Commander	Yi Sun-sin, Won Gyun	Kamei Korerori
Force	26 panokseons and 20 small ships	21 ships
Casualty and damage	Unknown	Destroyed 21 ships

Admiral Yi Sun-sin moved his fleet to berth on Saryangdo of Goseong on June 1. On the next day at around 8:00, the Admiral headed toward Dangpo after getting the information of the scouting ship that the Japanese fleet was berthing in Dangpo. The Admiral arrived in Dangpo at around 10 am and attacked the Japanese fleet. The Japanese force resisted with shooting from the ships and from the shore as well. The Admiral sent the turtle ship first and attack the ship for the commander of the Japanese fleet, Adake, to sink it down. Soon, a general Gwon Jun under the command of the Admiral killed a Japanese general, Kamei Korerori. When the command of the fleet died, the formation fell apart and were killed. About the time that the Fleet of Yi Sun-sin sank most of the Japanese force and finalize the victory, the scouting ship informed that the Japanese fleet was coming from Geojedo. Therefore, the Admiral led his fleet to chase after the Japanese fleet but he was unable to find them.

First Danghangpo Battle (June 5, 1592)

	Joseon Fleet	Japanese fleet
Commander	Yi Sun-sin, Yi Eok-gi, Won Gyun	Gato Kiyomasa
Force	51 panokseons and 50 small ships	26 ships
Casualty and damage	None	Destroyed 26 ships

Jeolla Jwasuyoung met the fleet of Admiral Yi Sun-sin on June 4 and formed the United Fleet. Therefore, the power of the Joseon Fleet was expanded for twice the power. A citizen reported that a Japanese fleet was berthed in Danghangpo of the Goseong area. Admiral Yi Sun-sin had the meeting with the generals to have the Japanese fleet lured out of Danghangpo. The Joseon Fleet was divided into two division and the first division was headed to Danghangpo first. And, the second division was standing by until the first division signalled for it to come into the port for the attack. In this battle, the turtle ship headed first to sink the commander ship, Adake, first and then sank most other Japanese ships.

Yulpo Battle (June 7, 1592)

	Joseon Fleet	Japanese fleet
Commander	Yi Sun-sin, Yi Eok-gi, Won Gyun	Kurusima Michisima
Force	51 panokseons and 50 small ships	7 ships
Casualty and damage	None	Destroyed 7 ships

The United Fleet departed around the dawn and arrived in Jeungdo. Around this area, the Joseon Fleet made effort to find the trace of the Japanese fleet and arrived in Youngdeungpo at noon. Here, they found a small scale of Japanese fleet and chased after them. With the defeat in this battle, the Japanese forces deserted their ships and ran away to the land. According to the record of the Japanese forces, after this battle, the commander of the Japanese force, Kurusima Michisima committed suicide on the shore. The United Fleet was scattered on June 10 and each went ahead to its own miliary base.