About the author

Mr. Parker retired from NSA in 1984 after thirty-two years of service. Following his retirement, he worked as a reemployed annuitant and volunteer in the Center for Cryptologic History. Mr. Parker served in the U.S. Marine Corps from 1943 to 1945 and from 1950 to 1952. He holds a B.S. from the Georgetown University School of Foreign Service.

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