Vladimir Kryuchkov diplomatic service, stationed in Hungary until 1959. He then worked for the Communist Party Central Committee for eight years, before joining the KGB in 1967 together with his patron Yuri Andropov. He was appointed head of the First Chief Directorate (FCD) in the summer of 1971 (upon the order of Andropov)(See Vladimir Kryuchkov, 1996) (the KGB Foreign Operations) and Deputy Chairman in 1978. In 1988, he was promoted to the rank of General of the Army and became KGB Chairman. In 1989–1990, he was a member of the Politburo. A political hard-liner, Kryuchkov was among the members of the Soviet
KGB internal subversion and possible revolutionary plots in the Soviet Bloc. In supporting those Communist governments, the KGB was instrumental in crushing the Hungarian Revolution of 1956, and the Prague Spring of "Socialism with a Human Face", in 1968 Czechoslovakia. During the Hungarian revolt, KGB chairman Ivan Serov personally supervised the post-invasion "normalization" of the country. In consequence, KGB monitored the satellite state populations for occurrences of "harmful attitudes" and "hostile acts;" yet, stopping the Prague Spring, deposing a nationalist Communist government, was its greatest achievement. The KGB prepared the Red Army's route by infiltrating to Czechoslovakia many illegal residents disguised