Term:National Security Systems

DoDD 8320.02

National Security Systems (NSS) - Any telecommunications or information system operated by the U.S. Government, the function, operation, or uses of which involves intelligence activities; involves cryptologic activities related to national security; involves command and control of military forces; involves equipment that is an integral part of a weapon or weapons system; or is critical to the direct fulfillment of military and intelligence missions, but excluding any system that is to be used for routine administrative and business applications (including payroll, finance, logistics, and personnel management applications). E1.1.16.

DSoD G&PM 11-8450

National Security Systems - National Security Systems means any telecommunications or information system operated by the United States Government, the function, operation, or use of which involves intelligence activities, cryptologic activities related to national security, command and control of military forces, equipment that is an integral part of a weapon or weapons system, or is critical to the direct fulfillment of military or intelligence missions (but not a system that is to be used for routine administrative and business applications (including payroll, finance, logistics, and personnel management applications)). E1.20