Four-Power Authorities of Germany. Both were in West Berlin, Germany, and existed during the Cold War from 1948 to 1989. These were the Berlin Air Safety Center and Spandau Prison (which was demolished in 1987 when Rudolf Hess, the sole remaining prisoner, died). These two organizations were uniquely four-powered in that American, British, French, and Soviet authorities cooperated in their management. This was a far cry from the intensely adversarial relations the allies had with the Warsaw Pact leader in almost every other aspect of world affairs during this time. Both organizations remained low-profile and secretive during their existences to avoid highlighting
Spandau Prison was blocked off for him. He continued to be under heavy guard while in hospital. Ward security was provided by soldiers including Royal Military Police Close Protection personnel. External security was provided by one of the British infantry battalions then stationed in Berlin. On some unusual occasions, the Soviets relaxed their strict regulations; during these times Hess was allowed to spend extra time in the prison garden, and one of the warders from the superpowers took Hess outside the prison for a stroll and sometimes dinner. The British band Spandau Ballet got their name after a friend of the band,