Department of Defense

The Department of Defense (DoD) (/dɪˈpɑːrtmənt ɒv dɪˈfɛns/) is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the government directly related to national security and the United States Armed Forces.

Etymology

The term "Department of Defense" is derived from its primary function, which is to defend the United States and its interests. The term "defense" comes from the Old French defens, which means "to protect".

Related Terms

United States Armed Forces: The military forces of the United States of America. It consists of the Army, Marine Corps, Navy, Air Force, Space Force, and Coast Guard.
National Security: The security and defense of a nation state, including its citizens, economy, and institutions, which is regarded as a duty of government.
Executive Branch: The part of government that has sole authority and responsibility for the daily administration of the state.
Federal Government of the United States: The national government of the United States, a federal republic in North America, composed of 50 states, a federal district, five major self-governing territories, and several island possessions.

External links

Medical encyclopedia article on Department of Defense
Wikipedia's article - Department of Defense

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Department of Defense