 Ask expansion units Infantry Battalion and Artillery Battalion in the Southern Thailand.Consider placing The units from north to south, according to the strategy.The Prime Minister approved the establishment of the first main military unit separates from 2nd Infantry Battalion, 11th Infantry Regiment Phetchaburi Province traveled to the site at Kho Hong Camp (Sena Narong Camp), Hat Yai District, Songkhla Province on 19 February 1939 and the following year.