Keywords: KOK-1 cryptographic keying device DSC07677.JPG en Exhibit in the National Cryptologic Museum Fort Meade Maryland USA All items in this museum are unclassified; items created by the United States Government are not subject to copyright restrictions 2013-03-29 09 53 07 own Daderot cc-zero Fill devices in the National Cryptologic Museum Uploaded with UploadWizard |