William Thompson, an American intelligence agent, goes on missions deep behind enemy lines to gather information about threats to American security and protect American diplomats abroad.
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Opening Narration: "Secret File U.S.A - A warning to all enemies of America at home and abroad who are planning acts of aggression. This is the story of the gallant men and women who penetrated and are still penetrating enemy lines to get secret information necessary for the defense of the United States. This is the story of one our nations mightiest weapons. Past, present and future, if necessary - The American Intelligence Service." See more
Edited into Assignment Abroad