I had very similar work during military service in Korea from 2019 September to April 2021. I managed the overall administration of the unit, especially the personal information of the soldiers. The personal information management and records of soldiers, individual vacation management , allocation of personnel on duty, and weekly work schedules of troops were the main tasks. In addition, I was one of the supervisor the soldiers' promotion test and kept the records, and getting approval from the battalion commander with the record documents. I made documents and kept records of all the achievements of soldiers and disciplinary actions, and when I was a staff sergeant, I was assigned to the squad leader and managed the squad members.