Emergency Services Sector (ESS) 2
Emergency Services Sector (ESS) 2 : "The emergency services sector (ESS) is our first line of defense: local police, fire and rescue, emergency medical services, public health departments, 40 Cites National Fire Protection Association, 2003. 41 Cites National Law Enforcement Officers Memorial Fund, 2003. 42 Cites Journal of Emergency Medical Services, 2004. and public works departments". (University Consortium for Infrastructure Protection, Critical Infrastructure Protection in the National Capital Region, September 2005, p. 4)