by Ian Weswell (2003) a documentary of the clandestine multinational "Special Operations" forces of the Third Reich originally founded by the German Intelligence service in 1921 almost 20 years before the British SAS (Special Air Service) which is traditionally thought to be the first of the modern day special forces groups however the Third Reich had clandestine special operations forces formed 20 years earlier composed of German, Italian, and other "Axis" allies soldiers.
