Colonel Dr. Pisutti Dararutana is a Chief of Research and Development Section at the Royal Thai Army Chemical Department, since October 2014. He obtained his B.Sc. in Physics; a M.Sc. in Applied Physics and a Ph.D. in Materials Sciences. Between 1981-1985 and 2012-2014, he was a lecturer at the Royal Thai Army Chemical School of the Royal Thai Army Chemical Department; in Chemical Biological Radiological and Nuclear (CBRN) Operation Training Course, especially in the Radiological and Nuclear Operations. During 1985-1995, he researched and developed in the areas of CBRN equipments, military pyrotechnics and explosives and military equipments. Since 2005, he has studied about explosives based on X-ray spectroscopy, especially in characterization and identification.