 In 1950, Amirmachmud was also involved in a crackdown against the Just King Armed Forces (APRA), a military group which entered Bandung and started targeting TNI soldiers.Once the situation began to settle down, Amirmachmud had a relatively uneventful military career and served as a Battalion Commander in Tasikmalaya and Garut before being appointed a Regimental Chief of Staff in Bogor.After serving in Bogor, Amirmachmud served as a Chief of Staff to the Commander of KODAM VI/Siliwangi.