Active reserve (KGB) officers with a military rank who worked undercover in the Soviet Union. "Trusted contacts" were high placed civilians who collaborated with the KGB without signing any official working agreements, such as directors of personnel departments at various institutions, academics, deans, or writers and actors. Informers were citizens secretly recruited by the KGB, sometimes using forceful recruitment methods, such as blackmail. The precise number of people from various categories remains unknown, but one of the estimates was 11 million "informers" in the Soviet Union, or one out of every eighteen adult citizens The active reserve was established by Yuri Andropov in
KGB-FM also introduced the use of Rock and Roll music, multimedia, video, theatrical lighting and effects to enhance the fireworks display. According to its creator Rick Leibert, Sky Show is "continuing experiment blending the ancient art of fireworks with rock and roll". The creative team for Sky Show has been collaborating for more than 20 years. Blair Schultze has been Writer/Producer/Director of the KGB Sky Show since 1988, and Ron Dixon has been Fireworks coordinator since 1979 and choreographer since 1990. KGB-FM has garnered several honors throughout its existence. "Billboard" magazine named KGB-FM its "Station of the Year" in 1974, and