Strategic View of Homeland Security: Relooking the Posse Comitatus Act and DoD's Role in Homeland Security: A Monograph   [open pdf - 161KB]

From the thesis abstract: "This monograph examines DoD's role in Homeland Security and the viability of the 'Posse Comitatus' Act when viewed through the rubric of the current threat environment. By exploring DoD's historic role in the defense of the U.S. homeland and the advent of the 'Posse Comitatus' Act--its history, application, and weakening over the last couple of decades--the monograph seeks to determine if regular Armed Forces (and specifically the active Army) should play a more significant role in the homeland security mission. [...] By focusing on changes to the Act brought on by the growth of military involvement in the War on Drugs since the 1980s, and expanding use of military forces in other domestic support operations, the author suggests a growing irrelevance of the 'Posse Comitatus' Act. Then, examining the domestic policy of three allied nations--Israel, Canada, and the United Kingdom--the author shows how these democratic nations have more clearly defined procedures for employment of military forces for domestic security matters, better interagency coordination, and a greater reliance on unity of command during times of crisis. The author concludes that given the current threat environment, the 'Posse Comitatus' Act is at best a relic in great need of revision. The author also contends that in order to maximize the Nation's ability to prepare for, prevent, deter, and respond to attacks on the homeland, DoD must consider expansion of the Army as part of its transformation efforts by creating dedicated homeland defense forces."

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