The Second Layer: The Protect Layer focuses on protecting citizens should a threat breach the first layer of defense by preventing destruction or minimizing damage caused by malicious attack attempts. This layer is composed of physical structures like walls around sensitive facilities – such as chemical plants and nuclear power stations; physical detection systems like metal detectors at airports; use of body armor for law enforcement officers; cyber protection strategies including firewalls that detect unauthorized access attempts; response exercises wherein emergency personnel practice realistic scenarios preparing them to handle emergencies quickly when they arise; infrastructure hardening projects that make strategic sites less vulnerable to destruction; communication systems linking government officials during times of crisis allowing for timely coordination of responses across multiple jurisdictions; and technological advancement aimed at limiting vulnerabilities (e.g., development of new chemical detection devices). Altogether these defensive tools provide multiple safeguards so that if an attack does occur there will be fewer casualties due to disruption or destruction resulting from malicious activity

The Third Layer: The Respond Layer kicks into action after an attack occurs responding swiftly with coordinated effort across different agencies both publicly funded (e.g., law enforcement officers) as well as privately run organizations depending on certain situations (e.g., medical professionals at hospitals). During this stage many lives depend upon how quickly resources are allocated enabling those affected by the disaster have access to aid regardless if it’s food assistance, medical care or other forms of assistance necessary in order to recovery safely from traumatic events caused by acts terrorism or natural disasters like hurricanes amongst others.. Incidents involving complex tactical operations require close collaboration with specialized experts trained in hazardous materials management while search-rescue teams comb through debris looking survivors trapped beneath fallen buildings etc.. To ensure efficient operation during this period critical communications channels must remain open thereby facilitating timely exchange relevant information which serves vital purpose aiding responders make informed decisions about what rescue procedures need implemented given circumstances under which event took place