[2] As the Board of Marshals was established and installed in Palace, the Ministry of Military diminished in the authority.
[5] Following the establishment of the Board of Marshals, the Military Affair section was excluded from the ministry.
[7][8] After the Japanese victory of the Russo-Japanese War, Japan started to minimize the Board of Marshals and the Ministry of Military.
After the disestablishment, Navy section (Hangul: 해방국, Hanja:海防局) was established on 27 September 1904.
Lastly, the staff ministry and the Education Section was established.
[10] These reforms were under the supervision of Japanese influence, and 12 editors military system of the Imperial Korean Army, who were Gwon Jung-hyeon, Min Young-gi, Min Young-hwan, Yi Yun-yong, Yi Ji-yong, Gu Young-jo, Pak Chesoon, Um Jun-won, Hyeong Young-wun, Yi Byeong-mu, and Yi Hui-du.
It had the Army College of Korean Empire as subordinating organization.
[10] The Ministry became Education Discipline on 28 August 1907, and became part of Military Affair section.
[12] The staff ministry supervised all the affairs of military after its establishment in September 1904.
1st Section supervised the tactics, location of bases, organizing units, and laws of war.