Thai Navy Finds Proof of Cambodian Use of PMN-2 Landmines in Phu Makua| PPTV News br br br On 19 August 2025, Clearance Team 1 of the Humanitarian Mine Action Unit, Royal Thai Navy, supporting clearance operations in the Phu Makua area, Si Sa Ket Province, together with the 132nd Infantry Company, 13th Infantry Battalion (Nua Mek Base), discovered a mobile phone that had been left behind by Cambodian soldiers.