National critical infrastructure and key assets
The infrastructure and assets vital to a nation’s security, governance, public health and safety, economy, and public confidence. They include telecommunications, electrical power systems, gas and oil distribution and storage, water supply systems, banking and finance, transportation, emergency services, industrial assets, information systems, and continuity of government operations. (JP 1-02 & JP 3-28) .
Source: Terms & Definitions of Interest for DoD Counterintelligence Professionals, Office of the National Counterintelligence, https://www.dni.gov/files/NCSC/documents/ci/CI_Glossary.pdf