The Department of Homeland Security is not a one-man army. It comprises of sixteen sectors having their own system, assets, and networks. Any destruction has a drastic effect on the entire security system of the United States of America. These sectors are as follow:
- Chemical Sector which is responsible for ensuring that chemical manufacturing and transporting is safe.
- Commercial facilities sector ensure that the mall you go shopping for is safe.
- Communication sector that is integral in connecting with other sectors.
- The Critical Manufacturing Sector, Dams Sector, Defense Industrial Base Sector, Emergency Services Sector, Energy Sector, Financial Services Sector, Food and Agricultural Sector, Government facilities Sector, Healthcare and Public Health Sector, Information technology Sector, Nuclear Reactors, Materials and Waste Sectors, Transportation Systems Sector and Water and Wastewater Systems Sector are all part of the systems that create a safe and secured USA.