NRSC specialist Vahagn Petrosyan has participated in the Third On-Site Inspection Training Cycle Introductory Course (IC-3TC) organized by the CTBTO. The training course was held from 15 to 29 October 2016 in Zvolen, Slovakia. The 80 participants represented more than 50 Countries. During the training course, have been considered procedures, time frames of the Inspections and responsibilities and rights of the Inspectors Team in a case of possible nuclear test explosion. The second part of the training course has been conducted in the Special Forces Training Facility Lest, where the main possible indicators of nuclear test explosion have been investigated during the field exercises.