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Roger ThielIndependent Civil Air Patrol Historian
A Washington, D.C. printer, Roger Thiel has researched the CAP anti-sub patrol since 1977 and served as the featured historian for a 2001 History Channel segment concerning this little-known part of American History. Thiel owns a 1938 Ryan SCW which served on anti-sub patrol in Georgia. He has given a seminar on this topic at AirVenture each year since 1984.