Lt. Gen. Sittipol Nimnuan, Director- General of Thailand Mine Action Center (TMAC), Joint Operation Command, presided over the opening ceremony of the combined joint Humanitarian Mine Action Exercise (HMA EX), named “Explosive Ordnance Disposal (EOD) Level 1-2” and was received by Col. Vikorn Lertwatchara, Deputy Commander of the Civil Engineering School at a Classroom of the unit on November 18, 2019, 10:00hrs.