Keywords: NSA Nuclear Action Form pad.tiff en NSA Nuclear Action Form special purpose one-time pad intended to be used to order a nuclear strike 2015-10-14 http //www governmentattic org/18docs/Hist_US_COMSEC_Boak_NSA_1973u pdf A History of U S Communications Security; the David G Boak Lectures National Security Agency NSA Volumes I 1973 Volumes II 1981 partially released 2008 additional portions declassified October 14 2015 US National Security Agency other versions PD-USGov NSA one-time pads Uploaded with UploadWizard |