In chapters 1 to 3, we will explain the beginning of homeland security and the expansion and development of homeland security. Chapter 4 explains the behavior of homeland security and the measures to solve the problem. The Department of Homeland Security must first understand and understand how to quickly and effectively resolve attacks and take precautionary measures in advance. The Department of Homeland Security must be able to undertake the risks of all circumstances and must decipher possible potential hazards. Looking to the many functions of the Department of Homeland Security, there is nothing other than the ability to understand, prevent or prevent an attacker.
The field of homeland security solved the ambiguous theme of Ameba. In the change of homeland security: homeland security, including all terrorism, all dangers, disasters, jurisdictional hazards, meta hazards, national security and safety supermarkets (used as a symbol of citizens' freedom control) Bellavita is the subject. How can practitioners improve the future prospects of homeland security professionals as the number of people in discipline changes constantly? Writer William Desmond expresses in art, origin, and other aspects: between philosophy and art, the truth is that your colleagues are to let you escape, presents two unique trends . First, the perspective of the practitioner defines the HLS field. Secondly, we further define this area through social interaction with our colleagues and communicate the culture of our specialties to the people around us. Indeed, on the interactive road, the culture of this industry continues to emerge.
In the United States, responsibilities of government agencies and organizations have been expanded and recombined by the concept of "homeland security". According to the Department of Homeland Security survey, the US Department of Homeland Security and Department of Homeland Security are in compliance with the US National Guard, the Federal Emergency Management Bureau, the US Coast Guard, the US Customs Border Protection Bureau, the USCIS, and the Customs Execution 187 Federal agencies and departments. Bureau, US Citizenship Immigration Services, US Secret Service, and Traffic Safety Management Bureau comprise 14 CA Institutions' Civil Aviation Patrols. Currently, many companies are working in the field of homeland security, but most of them are government functions.
Homeland security is often regarded as a specific US term referring to the role of the US Reform National Security Infrastructure since 2003. However, the terms and concepts of homeland security are not specific to the United States. The terminology is different, but the same term may be used in Israel's public security department. In the field of homeland security as an academic field, homeland security may be studied in the context of a comparative political scientist or a criminal justice scholar. For example, British political scientist Paul Wilkinson edited a textbook on homeland security policy and practices from the British point of view. Scholar Nadav Morag discusses the global perspective of homeland security management and strategy in the book "Comparison of homeland security: worldwide experience".