President Lee Jae-myung visits the command and control room after completing a meeting of all military major commanders at the Ministry of National Defense in Yongsan, Seoul on the 27th to encourage and shake hands with Colonel Cho Sung-hyun. It was discovered that the Blue House's 2nd comprehensive special prosecutor for air superiority, Chang-young, had secured a phone call recording file that supported the fact that Colonel Cho Seong-hyeon (then head of the 1st Security Group of the Army Capital Defense Command), who was deployed to the scene during the December 3 civil war, attempted to actively participate in the civil war. Colonel Cho was... at the time of the civil war.