A World War II German Army Field Cipher and How We Broke IT

As he thumbed through his manual, my memory reverted to a cryptanalysis course that my fiancee had taken at Brooklyn College, given by Professor Jack Wolfe of the math department. She and I would sit in a sunny meadow in Prospect Park, and I helped with the frequency counts. My reverie was broken by the information that I was to be sent to Vint Hill Farms Station, near Warrenton, Virginia close enough to my New York home and my wife-to-be to please me no end.