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 to a music soundtrack, broadcast on the radio. This artform was invented by KGB and is now practiced worldwide. The first Sky Show was fired from two locations, Fiesta Island and Chollas Lake. It created traffic jams all over the city as people watched and listened. The firing site was moved to San Diego (Jack Murphy)(Qualcomm) Stadium for reasons of crowd control. The show has become a very well attended annual event with fans viewing from both inside the stadium and outside, tailgating in the parking lot or from vantage points along Mission Valley's canyon rim. The KGB Sky Show