• The Gulf_of_Tonkin document (large slow download) is an article that was originally posted in the NSA Cryptologic Quarterly by the NSA Center for Cryptologic History. It is now UNCLASSIFIED. It was declassified in 2005 in FOIA Case # 43933. This does have original TS/COMINT markings crossed out. Do not get a heart attack opening it. The first page has the Declassification information. Those at work with computers looking for these words may want to think about opening it. It is well worth the information no the Gulf of Tonkin incidents on 2-4 August 1964.  This is the SIGINT that was at the beginning of the Vietnam War.

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