Lt. Col. Ján Ondrovčák (born 18 March 1924) - code name "Ostrovský". On 1 October 1960 he was transferred from Directorate VI of the Ministry of the Interior to the intelligence service, as officer of Section 12 of Directorate I of the Ministry of the Interior. One year later, he was nominated Deputy Chief of Section 12 and from 1 June 1962 he was appointed Chief of Section 12. On 1 April 1963 he was provisionally appointed Chief of Section 22 (Special purpose service).
After reorganization on 1 December 1964, he was appointed Chief of the Special Purpose Service – Section 7 of Directorate I of the Ministry of the Interior. He remained at the head of Section 7 all the way until the end of January 1969, and then became Chief of Directorate K which incorporated the merged Sections 7 and 8 of Directorate I (active measures) and after another transformation on 1 July 1969 became Chief of Section 3 of Directorate B of the Main Intelligence Service Directorate. He held this function until 7 March 1971. On 8 March 1971 he was provisionally appointed Deputy Chief of Directorate I of the Ministry of the Interior for Foreign Counterintelligence. From 1 June 1974 he was appointed Chief of Section 36 of Directorate I with a basic salary of 4900 Kcs for his position, a bonus of 400 Kčs and a language bonus of 140 Kčs.
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