99/08/02 - Initial release of Web page. (Inspired after a visit to the National Cryptologic Museum)
15/02/27 - Added AN/SGA-1 thru 5, HW10, CSP2699 and HL-2
15/07/17 - Added Cree Codetalkers
15/09/21 - Minor updates to KW-22, KL-47,KW-26, HW-5, HW-19, KY-5 and KX-3 devices
15/11/11 - Added KG-24
16/01/08 - Added page count explanation to training document.
16/02/12 - Major addition to BRUIN radio document.
16/05/20 - Added KY-1.
17/02/07 - Added Triton.
17/02/28 - Added KY879 photos.
17/13/14 - Added German SKM code.
17/06/30 - Added B3 speech scrambler and scrambling system nomenclature
17/09/16 - Added BID 470
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