KGB to find them at home. In 1967, the campaign of this suppression increased under new KGB Chairman Yuri Andropov. After suppressing the Prague Spring, KGB Chairman Andropov established the Fifth Directorate to monitor dissension and eliminate dissenters. He was especially concerned with Aleksandr Solzhenitsyn and Andrei Sakharov, "Public Enemy Number One". Andropov failed to expel Solzhenitsyn before 1974; but did internally exile Sakharov to Gorky in 1980. The KGB failed to prevent Sakharov's collecting his Nobel Peace Prize in 1975, but did prevent Yuri Orlov collecting his Nobel Prize in 1978; Chairman Andropov supervised both operations. KGB dissident-group infiltration featured
KGB Security Troops which monitored/managed national, foreign, and overseas communications, cryptologic equipment, and research and development, and possibly the Sixteenth Directorate (SIGINT and communications interception) which operated the national and government telephone and telegraph systems. Such troops were reportedly employed, along with the MVD's Internal Troops, to suppress public protests and disperse demonstrations, such as that of the Crimean Tatars in July 1987 and those in the republics of Armenia and Azerbaijan in March 1988. Special KGB troops also were trained for sabotage and diversionary missions abroad. Other special KGB troops were intended for counterterrorist and counterinsurgency operations. The uniforms and insignia of