Nuclear Weapon Information (NWI)
Nuclear Weapon Information (NWI) : Restricted Data (RD) or Formerly Restricted Data (FRD) concerned with the design, manufacture, or utilization of: (1) atomic weapons, (2) atomic weapon components, or (3) atomic explosive devices. Nuclear Weapon information includes theory, development, storage, characteristics, performance, and effects of such items. (All nuclear weapon information is RD or FRD but not all RD or FRD is nuclear weapon information)