In the early days of the Japanese Invasion of Korea in 1592, the issue of naval command and "convenience worker"

 Even battalion commanders and company commanders said, "I know the scene better...Can I say that I ignore the orders of the division commander and the regiment commander?" Of course, in the case of naval thieves, although they are at the rank of division commander in these days, they were not in a position to "comfort women" under the command system of Joseon at the time. In the early days of Imran, there was a chain of command that led to a conductor-prosecutor-observer (patrolman) with non-byunsa as the highest organization, and there were two more above the field commander alone. Even if convenient work is done according to unwritten rules, the "privilege" can be exercised only when there is at least a patrolman or observer. Joseon's defense system, Jingwanje and Victory Strategy, are concepts of self-defense and joint defense, but...This was an angular unit, not a matter of overthrowing. That's why Kim Soo, a Gyeongsang auditor, sent Janggye to the court shortly after the war broke out to ask for support from Jeolla Jwasu-gun, and Yi Sun-shin also asked his direct supervisor, Lee Gwang, about how to act. If there was no principle of "self-reliance" and "convenience worker" was applied indefinitely, Kim Soo, a current audit who had a day to regret, would not have to send a long line to mediation and wait for the answer. Pre-action reports are used only when small Japanese invasions occur, when local commanders conduct emergency defense operations, not when a large-scale war breaks out, as in Imran. As you can see in the DMZ's iron fence defense...In the same context, when we find enemy spies infiltrating or special forces crossing the ceasefire line, we take action beforehand and report candidates. Even though North Korean commandos are crossing the fence, if they report to the division and wait for orders to take action, they will be destroyed by the commandos. In the early days of the war, when only the naval forces of Gyeongsang-do could not stop the enemy, an official request for support was received from Gyeongsang-do, and according to the order system, Yi Sun-shin inquired about what to do with this request. That's because the situation at the time is a matter that should be discussed at a strategic level, not at a tactical level. This is because it is difficult to move the military at the discretion of the local naval commander at a time when the Gyeongsang naval forces have collapsed and the Japanese naval forces may attack Jeolla-do immediately. After receiving official letters from Jeolla-do and Gyeongsang-do, the naval forces decided that disturbing the rear area could affect the speed of Japanese troops advancing northward from the land. However, Admiral Yi Sun-shin revealed to the general that "it is difficult to handle at will because he is a single master, so he informed all of the circumstances of the war to Jeolla auditor Lee Kwang, defender Kwak Young, and (Jeolla) Byeongmajeoldosa Choi Won." In fact, the second dispatch after that was not the independent dispatch of Admiral Yi Sun-shin, but the purpose of keeping up with the pace as his superior, Jeolla auditor Lee Gwang, led Geunwang soldiers north to Hanyang. In addition, the third dispatch was also carried out as part of Jeolla-do's defense strategy as part of the Jeolla-do audit's defense strategy, showing that Admiral Yi Sun-shin is keeping pace with his direct superior, Jeolla-do's command. All of this series of processes remains in the official record. However, even this amount of discretion is gradually limited by the Joseon Dynasty, which has somewhat resolved the confusion of the initial consecutive losses. The Joseon Dynasty established a temporary position called Samdo Naval Controller to increase the efficiency of naval command by placing naval forces in Chungcheong, Jeolla, and Gyeongsang provinces under a single command system. As a result, the strategic differences between the naval controller, the non-debate, and the Dowon-su have led to the defeat of 7,000 ryang.