Looking Down the Corridors : Allied Aerial Espionage Over East Germany and Berlin, 1945-1990
(Reklamlänk)
Between 1945 and 1990 the Western Allies mounted some of the most audacious and successful intelligence collection operations of the Cold War. Conducted in great secrecy, aircrews flew specially modified transport and training aircraft along the Berlin Air Corridors and Control Zone to gather intell
